5305-01-085-4877

Find complete technical information, availability, and procurement data for: 5305-01-085-4877
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-085-4877

Item Name Code

18257

Assigment Date

11/09/1979 (46 years ago)

2a thread class, right-hand thread direction, 0.750 inches minimum thread length, 0.750 inches minimum fastener length, 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: 2a
Thread Direction: right-hand
Thread Length: 0.750 inches minimum
Fastener Length: 0.750 inches minimum
Head Style: hexagon
Head Height: 0.195 inches minimum and 0.211 inches maximum
Width Between Flats: 0.489 inches minimum and 0.500 inches maximum
Nominal Thread Diameter: 0.312 inches
Thread Quantity Per Inch: 18
Minimum Tensile Strength: 3660 pounds per square inch
Material: steel corrosion resisting overall
Material Document And Classification: ff-s-85 fed spec all material responses overall
Surface Treatment: passivate overall
Surface Treatment Document And Classification: ff-s-85 fed spec all treatment responses overall
Thread Series Designator: unc

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5305-00-660-2611	No Name Available	11/01/2007

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
271-2012SS	Hexagon Head Cap Screw
MS51109-32	Hexagon Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-01-085-4877?

The FSCG of the NSN 5305-01-085-4877 is 5305

Does the NSN 5305-01-085-4877 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-085-4877 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 5305-01-085-4877 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-085-4877 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 5305-01-085-4877 was assigned to the Federal Catalog?

It was assigned 46 years ago, on Fri, Nov 9, 1979