5305-01-122-7686

Find complete technical information, availability, and procurement data for: 5305-01-122-7686
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-122-7686

Item Name Code

06672

Assigment Date

11/28/1981 (44 years ago)

A high strength, 160,000 pounds per square inch (1100 megapascals) minimum tensile strength externally threaded fastener designed for use in applications involving great shear stress. The head is designed to accommodate an external wrench or driver. The head is not designed to be held or driven with an inserted driver, nor is it designed for rotation by the thumb and fingers. The unthreaded portion is of specific grip length, plated or unplated, and is machined to a tolerance of one thousandth (0.001) of an inch (0.025 mm) or less of a specific diameter for items one inch (25 mm) or less in diameter. Items over one inch (25 mm) in diameter shall have a tolerance of fifteen ten thousandths (0.0015) of an inch (0.038 mm) or less. The nominal major diameter of the threads shall be at least one thousandth (0.001) of an inch (0.025 mm) below the minimum shank diameter, but not below the minimum major diameter for applicable class of fit, as shown in the screw thread standards, fed std h28 and/or other nationally recognized standards. A locking feature may be incorporated in the design of the head or threads. See bolt, machine and bolt, clevis.

0.770 inches minimum and 0.780 inches maximum thread length, 1.250 inches nominal fastener length, right-hand thread direction, 3a thread class, hexagon head style

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Thread Class: 3a
Thread Direction: right-hand
Thread Length: 0.770 inches minimum and 0.780 inches maximum
Fastener Length: 1.250 inches nominal
Head Style: hexagon
Head Height: 0.240 inches nominal
Width Between Flats: 0.560 inches nominal
Point Length: 0.220 inches minimum and 0.230 inches maximum
Point Diameter: 0.248 inches minimum and 0.250 inches maximum
Point Style: flat
Internal Drive Style: w/o internal drive
Nominal Thread Diameter: 0.375 inches
Thread Quantity Per Inch: 16
Point Chamfer Angle: 90.0 degrees nominal
Material: steel comp 1013 or steel comp 1015 or steel comp 1016 or steel comp 1017 or steel comp 1018 or steel comp 1019 or steel comp 1020 or steel comp 1021 or steel comp 1022 or steel comp 1023 or steel comp 1524 or steel comp 1025 or steel comp 1026 or steel comp 1527 or steel comp 1029 or steel comp 1030 or steel comp 1033 or steel comp 1034 or steel comp 1035 or steel comp 1536 or steel comp 1037 or steel comp 1038 or steel comp 1039 or steel comp 1040 or steel comp 1541 overall
Material Document And Classification: sae assn std all material responses overall
Surface Treatment: cadmium overall
Thread Series Designator: unc

Related Parts

This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:

Part Number	Name
202391-B	Setscrew

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 5305-01-122-7686?

The FSCG of the NSN 5305-01-122-7686 is 5305

Does the NSN 5305-01-122-7686 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-122-7686 require demilitarization?

Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.

Does NSN 5305-01-122-7686 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-122-7686 contain hazardous materials?

Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

When the NSN 5305-01-122-7686 was assigned to the Federal Catalog?

It was assigned 44 years ago, on Sat, Nov 28, 1981