Militaryfastenersdistributors

Type II – Nuts, hexagon    Style 4 – Plain    Style 5 – Jam    Style 6 – Thick    Style 7 – Flat    Style 8 – Flat jam    Style 9 – Heavy flat    Style 10 – Heavy flat jam    Style 11 – Heavy    Style 12 – Heavy jam    Style 13 – Machine screw

Type I – Gimlet point, screw threadType II – Cone point, screw threadType III – Cone point, fetter drive thread     Style 1 – Hex head    Style 2 – Square head

Mil-Spec captive fastener

MIL-S-24149 Mil spec MIL-S-24149 covers studs for welding with stud welding equipment and arc shields (ferrules) for shielding studs where applicable.

Wood screws    Type I – Flat head, 82˚, cross recessed    Type II – Round head, cross recessed    Type III – Oval head, cross recessed    Type IV – Flat head, 82˚, slotted    Type V – Round head, slotted    Type VI – Oval head, slotted

Mil-Spec Set screws

NASM 25027, MIL-DTL-25027 and MIL-N-25027MIL-N-25027 is superseded by MIL-DTL-25027; MIL-DTL-25027 is superseded by NASM 25027.Mil spec NASM25027 covers the requirements for steel, corrosion resistant steel (CRES), aluminum alloy, copper alloy and nickel-copper alloy (Monel 400) self-locking nuts.    250˚F nuts    450˚F nuts    800˚F nuts

MIL-DTL-32258 and MIL-N-25027/1MIL-N-25027/1 is superseded by MIL-DTL-32258.Mil spec MIL-N-25027 covers the requirements for nickel-copper alloy (Monel 400 and 405), self-locking heavy hex nuts.

MIL-P-10971Mil spec MIL-P-10971 covers tubular-shaped spring pins constructed to resist reduction in pin diameter by means of spring action.

NASfasteners

Type I - Slotted    Style 1s – Round head    Style 2s – Flat head, 82˚    Style 3s – Flat head, 100˚    Style 4s – Fillister head    Style 5s – Fillister head, drilled    Style 6s – Oval bead, 82˚    Style 7s – Truss head    Style 8s – Binding head    Style 9s – Pan head    Style 10s – Hexagon head

FF-B-561FF-B-588FF-N-836FF-P-386FF-S-85FF-S-86FF-S-92FF-S-107FF-S-111FF-S-200FF-S-210FF-W-84FF-W-92FF-W-100MIL-B-857MIL-S-1222 MIL-DTL-1222 MIL-F-18240 MIL-DTL-18240 MIL-N-25027 MIL-DTL-25027NASM 25027MIL-F-19700MIL-I-8846MIL-N-25027/1MIL-DTL-32258MIL-P-10971MIL-P-16610MIL-P-21143MIL-PRF-907FMIL-S-21472MIL-S-24149

Included in our realm of expertise are the following specifications. Please ask our experts regarding any additional specifications you require assistance with.

FF-W-84Mil spec FF-W-84 is for (spring) lock washers. This spec covers a helical spring type washer for us with nuts, bolts, screws, and studs to prevent them from loosening.

Metric mil-specfasteners

MIL-F-19700Mil spec MIL-F-19700 describes the characteristics of nonmagnetic, screw threaded fasteners and related items that are dimensionally in conformance to recognized military and industrial standards. The intent of this specification is to supplement, not supersede, the specifications normally used for the acquisition of threaded fasteners and related items.

MIL-P-21143Mil spec MIL-P-21143 covers solid, cylindrical, steel, headless straight pins, which are commonly referred to as dowel or machine pins.

Styles. (Setscrews shall be of the following styles):    Style 1 – Flat point    Style 2 – Cone point    Style 3 – Oval point    Style 4 – Cup point    Style 5 – Full-dog point    Style 6 – Half-dog point

Type III - Cross-Recessed, Recess Designs I and II    Style 1c - Round head.    Style 2c - Flat head, 82˚    Style 3c - Flat head, 100˚    Style 4c - Fillister head    Style 6c - Oval head, 82˚    Style 7c - Truss head    Style 8c - Binding head    Style 9c - Pan head

Nuts    Type I – Hexagon, top chamfered, machine screw    Type II – Hexagon, regular finished    Type III – Hexagon, regular finished jam    Type IV – Square, regular    Type V – Hexagon, self locking nylon insert (Class C material only).

Machine screws    Type I – Flat head, 82˚, cross recessed    Type II – Pan head, cross recessed    Type III – Fillister head, slotted and drilled    Type IV – Flat head, 82˚, slotted    Type V – Pan head, slotted

Types:    Type I – Square head, inch dimensions    Type II – Slotted headless, inch dimensions    Type III – Slotted headless, metric dimensions

MIL-I-8846Mil spec MIL-I-8846 covers helical coil screw-thread inserts made from formed wire, the inner surfaces of which, after assembly, provide threads as specified.

Mil-Spec Screws chart

MS and AN FastenersIn addition to the above specifications, we can also supply Mil Spec (MS) fasteners and Army Navy (AN) fasteners meeting the series below. Additional MS parts are available. Please contact our engineering team for assistance other MS part requirements.

Extreme Bolt & Fastener has extensive experience and understanding of military specifications for fasteners whether standard parts or custom per-print. In addition, we are able to provide fasteners according to military material specifications (MS Spec and AN Spec fasteners) and to NAS aerospace specifications (NAS or NASM Spec fasteners) as well. Fasteners can also be made to meet DFAR compliance, meaning the metal used in fabrication must be melted or manufactured in the United States or a qualifying country.

MIL-DTL-1222, MIL-S-1222, and MIL-B-857MIL-B-857 is superseded by MIL-S-1222; MIL-S-1222 is superseded by MIL-DTL-1222Mil spec MIL-DTL-1222 covers standard studs, hex cap screws, and heavy hex bolts in nominal standard diameters of ¼ inch to 4 inches, nuts in nominal standard diameters of ¼ inch to 3 inches, and socket head cap screws in nominal standard diameters of ¼ inch to 1½ inches for applications where a high degree of reliability is required. MIL-DTL-1222 covers a variety of materials, including:  Nickel Alloys, Corrosion Resistant Steels (CRES), Titanium, and Aluminum.

Styles. (Setscrews shall be of the following styles):    Style 1 – Flat point    Style 2 – Cone point    Style 3 – Oval point    Style 4 – Cup point    Style 5 – Full-dog point    Style 6 – Half-dog point

MonroeFasteners

Type II - Tumble-wing toggle bolts, with one-piece sheet metal wingsClass A - Pivoted bolts    Style 1 – Machine screw    Style 2 – Continuous thread stud    Style 3 – Eyebolt

Bolts    Type I – Round head    Type II – Hexagon head    Type III – Hexagon head, UNC-3A (for use with type V self-locking nuts)    Type IV – Finished neck, countersunk, flat head

Type II – External tooth flatType III – Internal -external tooth flatType IV – External tooth countersunk (80˚- 82˚)Type V – External tooth countersunk (99˚- 101˚)    Style 1 – Twisted teeth    Style 2 – Teeth with up-and-down bent edges

Type I – Spring-wing toggle bolts, with two-piece wingsClass A – Sheet metal winds    Style 1 – Machine screw    Style 2 – Continuous thread stud    Style 3 – Eyebolt

Styles:    1s – Round head, slotted drive    1c – Round head, cross-recessed drive    2s – Flat countersunk head, slotted drive    2c – Flat countersunk head, cross-recessed drive    6s – Oval countersunk head, slotted drive    6c – Oval countersunk head, cross-recessed drive

MIL-PRF-907FMil spec MIL-PRF-907F covers antiseize compound for use on threads of steel nuts, studs, bolts and other mating surfaces, including those of superheated steam installations, at temperatures up to 1050 degrees Fahrenheit (°F) (566 degrees Celsius (°C)).

Type II – External tooth flatType III – Internal-external tooth flatType IV – External tooth countersunk (80˚-82˚)Type V – External tooth countersunk (99˚-101˚)    Style 1 – Twisted teeth    Style 2 – Teeth with up-and-down bent edges

FF-S-111Mil spec FF-S-111 covers single and double-threaded wood screws with round, flat countersunk and oval countersunk heads having slotted or cross-recessed drives.

mil-specfastenerspdf

Washers    Type I – Metal, flat, plain, round    Type II – Spring, nonlink lock    Type III – Internal tooth, flat lock    Type IV – External tooth, flat lock

Type I – Hexagon socket, cylindrical head, 1936 series. *    Type III – Internal multiple spline socket cylindrical head, 1936 series. *    Type IV – Hexagon socket, flat countersunk head, 82˚ included angle.    Type V – Internal multiple spline socket, flat countersunk head, 82˚ included angle.    Type VI – Hexagon socket, cylindrical head, 1960 series.    Type VII – Internal multiple spline socket, cylindrical head, 1960 series.    Type VIII – Hexagon socket, button head.    Type IX – Internal multiple spline socket, button head.    * Do not use for new design.

MIL-DTL-18240 and  MIL-F-18240MIL-F-18240 is superseded by MIL-DTL-18240.Mil spec MIL-DTL-18240 defines the requirements for self-locking elements for use in externally threaded fasteners such as bolts and screws to be used in fasteners with either UNC, UNJC, UNF, UNJF, UNRC or UNRF threads and where the temperatures will not exceed 250°F. It includes three types of self-locking elements:    Type N – Plug/pellet    Type L – Strip    Type P – Patch