5305-01-642-7971

Find complete technical information, availability, and procurement data for: 5305-01-642-7971
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-642-7971

Item Name Code

16282

Assigment Date

03/10/2015 (11 years ago)

A part basically circular in shape, designed to cover or seal the filler-neck or inlet opening of a fuel tank, radiator, oil reservoir, liquid storage tank or the like. It may be either permanently attached to the object for which it is designed or provided with a means of removal and replacement. Excludes:cap, vent, fuel storage tank; and cover (1), (as modified).

0.438 inches nominal fastener length, 2a thread class, right-hand thread direction, 0.438 inches nominal thread length, flat countersunk 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: 2a
Thread Direction: right-hand
Thread Length: 0.438 inches nominal
Fastener Length: 0.438 inches nominal
Head Style: flat countersunk
Head Diameter: 0.218 inches minimum and 0.255 inches maximum
Head Height: 0.083 inches nominal
Internal Drive Style: hexagon
Nominal Thread Diameter: 0.112 inches
Width Across Flats: 0.062 inches nominal
Thread Quantity Per Inch: 40
Countersink Angle: 82.0 degrees nominal
Material: steel comp 321 overall
Surface Treatment: passivate 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
AES16C112438DE5LP1	Socket Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-01-642-7971?

The FSCG of the NSN 5305-01-642-7971 is 5305

Does the NSN 5305-01-642-7971 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-642-7971 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 5305-01-642-7971 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-642-7971 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 5305-01-642-7971 was assigned to the Federal Catalog?

It was assigned 11 years ago, on Tue, Mar 10, 2015