803-2177917-2-18

View detailed technical data, stock status, and sourcing information for: 803-2177917-2-18
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-379-4144

Item Name Code

01857

Assigment Date

08/31/1993 (32 years ago)

A deformable material which prevents the passage of matter through the joint formed when two faces are joined. It may be metallic or nonmetallic, lubricated or impregnated, solid or hollow cross section. It may be made to any predetermined dimension and shape. Excludes:flat disks, items made of felt material and items having joints. For round metal and plastic items with an aperture and a solid rectangular cross section, see washer, flat; shim; bearing, washer, thrust; and spacer ring. Excludes:disk, valve; seal, nonmetallic angle; seal, nonmetallic channel; seal, nonmetallic special shaped section; shielding gasket, electronic; and ring, sealing jar.

2b thread class, right-hand thread direction, 0.427 inches minimum and 0.448 inches maximum nut height, 0.736 inches minimum and 0.750 inches maximum width across flats, hexagon nut 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: 2b
Thread Direction: right-hand
Nut Style: hexagon
Nut Height: 0.427 inches minimum and 0.448 inches maximum
Width Across Flats: 0.736 inches minimum and 0.750 inches maximum
Thread Series: unc
Thread Quantity Per Inch: 13
Nominal Thread Size: 0.500 inches
Bearing Surface Type: washer faced
Material: nickel alloy r-405 or nickel alloy 400 overall
Material Document And Classification: qq-n-281 cl a or b fed spec single material response overall

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
803-2177917-2-18	Hexagon Plain Nut

FAQs

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

What is the FSCG of the NSN 5310-01-379-4144?

The FSCG of the NSN 5310-01-379-4144 is 5310

Does the NSN 5310-01-379-4144 have a Schedule B code assigned?

Yes, the Schedule B code is 7508900000

Does NSN 5310-01-379-4144 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 5310-01-379-4144 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-01-379-4144 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 5310-01-379-4144 was assigned to the Federal Catalog?

It was assigned 32 years ago, on Tue, Aug 31, 1993