5305-00-931-4717

Find complete technical information, availability, and procurement data for: 5305-00-931-4717
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-931-4717

Item Name Code

22846

Assigment Date

09/21/1966 (59 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.

1.438 inches nominal fastener length, dished hexagon head style, 3a thread class, 0.437 inches maximum thread length, right-hand thread direction

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: 0.437 inches maximum
Fastener Length: 1.438 inches nominal
Head Style: dished hexagon
Head Height: 0.203 inches nominal
Width Between Flats: 0.495 inches nominal
Shoulder Diameter: 0.311 inches nominal first shoulder
Shoulder Length: 1.000 inches nominal first shoulder
Internal Drive Style: slot
Nominal Thread Diameter: 0.250 inches
Thread Quantity Per Inch: 28
Shoulder Shape: round first shoulder
Special Features: thread relief 0.196 inch min,0.201 inch max dia by 0.078 inch long
Material: steel comp 303se overall
Material Document And Classification: qq-s-764,cond a fed spec single material response overall
Surface Treatment: passivate overall
Surface Treatment Document And Classification: qq-p-35 fed spec single treatment response overall
Thread Series Designator: unf

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
10068151	Shoulder Screw

FAQs

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

What is the FSCG of the NSN 5305-00-931-4717?

The FSCG of the NSN 5305-00-931-4717 is 5305

Does the NSN 5305-00-931-4717 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-931-4717 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 5305-00-931-4717 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-931-4717 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 5305-00-931-4717 was assigned to the Federal Catalog?

It was assigned 59 years ago, on Wed, Sep 21, 1966