803-5001003-B512-63

View detailed technical data, stock status, and sourcing information for: 803-5001003-B512-63
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-376-0774

Item Name Code

05277

Assigment Date

05/27/1993 (33 years ago)

A fastening device of rigid or semirigid material of various shapes and lengths having two or more apertures with lugs or prongs; threaded holes; or nuts. The apertures, threaded holes or nuts may be of any predetermined spacing.

0.341 inches minimum and 0.377 inches maximum nut height, right-hand thread direction, 3b thread class, hexagon nut style, prevailing torque with nonmetallic insert locking feature

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Thread Class: 3b
Thread Direction: right-hand
Locking Feature: prevailing torque with nonmetallic insert
Nut Style: hexagon
Nut Height: 0.341 inches minimum and 0.377 inches maximum
Width Across Flats: 0.669 inches minimum
Thread Series: unc
Thread Quantity Per Inch: 16
Nominal Thread Size: 0.375 inches
Bearing Surface Type: chamfered or washer faced
Material: nickel alloy r-405 overall except insert
Material: plastic polyamide (nylon) locking insert
Material Document And Classification: qq-n-281 cl b fed spec single material response overall except insert

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
803-5001003-B512-63	Hexagon Self-Locking Nut

FAQs

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

What is the FSCG of the NSN 5310-01-376-0774?

The FSCG of the NSN 5310-01-376-0774 is 5310

Does the NSN 5310-01-376-0774 have a Schedule B code assigned?

Yes, the Schedule B code is 7508900000

Does NSN 5310-01-376-0774 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 5310-01-376-0774 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-01-376-0774 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 5310-01-376-0774 was assigned to the Federal Catalog?

It was assigned 33 years ago, on Thu, May 27, 1993