5305-00-421-7772

Find complete technical information, availability, and procurement data for: 5305-00-421-7772
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-421-7772

Item Name Code

06672

Assigment Date

12/21/1970 (55 years ago)

A washer, round in shape, and having a centrally located hole. One bearing surface is flat and unbroken, the other surface is in the form of a raised shoulder (boss) having a flat bearing surface. The thickness of the shoulder (boss) must not exceed 25 percent of the shoulder (boss) diameter. For items having a shoulder (boss) of greater thickness, use bearing, sleeve; bushing sleeve; or spacer, sleeve. Excludes:insulator, washer and thrust type washers.

right-hand thread direction, 0.445 inches minimum and 0.475 inches maximum fastener length, 0.245 inches minimum and 0.275 inches maximum thread length, headless (setscrew) head style, 3a thread class

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: 0.245 inches minimum and 0.275 inches maximum
Fastener Length: 0.445 inches minimum and 0.475 inches maximum
Head Style: headless (setscrew)
Locking Feature: pellet threads
Point Length: 0.170 inches minimum and 0.230 inches maximum
Point Diameter: 0.075 inches minimum and 0.081 inches maximum
Point Style: cone
Internal Drive Style: hexagon
Nominal Thread Diameter: 0.112 inches
Width Across Flats: 0.050 inches nominal
Thread Quantity Per Inch: 40
Point Chamfer Angle: 60.0 degrees nominal
Part Name Assigned By Controlling Agency: navy special project
Material: copper alloy overall
Material Document And Classification: 25,fscm 70787 mfr ref single material response 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
115G6	Setscrew

FAQs

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

What is the FSCG of the NSN 5305-00-421-7772?

The FSCG of the NSN 5305-00-421-7772 is 5305

Does the NSN 5305-00-421-7772 have a Schedule B code assigned?

Yes, the Schedule B code is 7415338550

Does NSN 5305-00-421-7772 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 5305-00-421-7772 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-00-421-7772 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 5305-00-421-7772 was assigned to the Federal Catalog?

It was assigned 55 years ago, on Mon, Dec 21, 1970