5310-01-365-5763

Find complete technical information, availability, and procurement data for: 5310-01-365-5763
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-365-5763

Item Name Code

29730

Assigment Date

10/09/1992 (33 years ago)

A washer of any peripheral shape having a centrally located hole. Both bearing surfaces are parallel and flat, but one or both of the bearing surfaces must be broken by a counterbore, countersink, or similarly shaped recess. The thickness must not exceed 25 per cent of the outside diameter or the largest outside dimension. The maximum limit of the tolerance or range applied to the thickness and/or largest outside dimension must be used to determine compliance. Excludes:washer, concave, retainer, packing, and thrust type washers. See also spacer, sleeve; and spacer, stepped.

0.420 inches maximum washer outside diameter, right-hand thread direction, 0.281 inches nominal overall height, 3b thread class, prevailing torque all metal design 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 all metal design
Washer Outside Diameter: 0.420 inches maximum
Overall Height: 0.281 inches nominal
Nut Style: castellated hexagon
Washer Thickness: 0.025 inches nominal
Width Across Flats: 0.306 inches minimum and 0.316 inches maximum
Thread Series: unjf
Thread Quantity Per Inch: 28
Hardness Rating: 46.0 rockwell c maximum
Nominal Thread Size: 0.250 inches
Material: iron alloy 660 overall
Material Document And Classification: ams 5525 assn std single material response or ams 5732 assn std single material response or ams 5737 assn std single material response overall
Precious Material And Location: entire surface silver
Precious Material: silver
Surface Treatment: silver overall
Surface Treatment Document And Classification: ams 2410 assn std single treatment response or ams 2411 assn std single treatment 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
3D0026-4	Extended Washer Self-Locking Nut
73781CS-428	Extended Washer Self-Locking Nut
HC54709-4	Extended Washer Self-Locking Nut
PHCR-54	Extended Washer Self-Locking Nut

FAQs

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

What is the FSCG of the NSN 5310-01-365-5763?

The FSCG of the NSN 5310-01-365-5763 is 5310

Does the NSN 5310-01-365-5763 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-01-365-5763 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 5310-01-365-5763 contain precious materials?

Item contains silver.

Does NSN 5310-01-365-5763 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 5310-01-365-5763 was assigned to the Federal Catalog?

It was assigned 33 years ago, on Fri, Oct 9, 1992