5305-00-257-1976

Find complete technical information, availability, and procurement data for: 5305-00-257-1976
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-257-1976

Item Name Code

06672

Assigment Date

01/01/1963 (63 years ago)

1.438 inches minimum and 1.500 inches maximum fastener length, 1.500 inches maximum thread length, 3a thread class, right-hand thread direction, square 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: 1.500 inches maximum
Fastener Length: 1.438 inches minimum and 1.500 inches maximum
Head Style: square
Head Height: 0.270 inches minimum and 0.293 inches maximum
Width Between Flats: 0.362 inches minimum and 0.375 inches maximum
Point Style: full dog
Internal Drive Style: w/o internal drive
Nominal Thread Diameter: 0.375 inches
Features Provided: casehardened
Thread Quantity Per Inch: 16
Hardness Rating: 30.0 rockwell c minimum and 37.0 rockwell c maximum overall
Material: steel overall
Material Document And Classification: 66 fed std all material responses overall
Thread Series Designator: unc
Nondefinitive Spec/Std Data: 1 type and 5 style

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
SF63-8X1 1-2	Setscrew

FAQs

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

What is the FSCG of the NSN 5305-00-257-1976?

The FSCG of the NSN 5305-00-257-1976 is 5305

Does the NSN 5305-00-257-1976 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-257-1976 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 5305-00-257-1976 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-257-1976 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 5305-00-257-1976 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963