5310-01-068-1886

Find complete technical information, availability, and procurement data for: 5310-01-068-1886
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-068-1886

Item Name Code

29729

Assigment Date

11/17/1978 (47 years ago)

3b thread class, 0.320 inches minimum and 0.350 inches maximum washer outside diameter, 0.045 inches nominal washer thickness, prevailing torque all metal design locking feature, right-hand thread direction

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: 0.320 inches minimum and 0.350 inches maximum
Washer Thickness: 0.045 inches nominal
Width Across Flats: 0.243 inches minimum and 0.252 inches maximum
Thread Series: unjf
Thread Quantity Per Inch: 32
Hardness Rating: 32.0 rockwell c minimum and 48.0 rockwell c maximum
Nominal Thread Size: 0.190 inches
Material: steel corrosion resisting overall
Material Document And Classification: ams 5735 assn std single material response overall
Surface Treatment: silver overall
Surface Treatment Document And Classification: 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
387254	Extended Washer Self-Locking Nut
387523	Extended Washer Self-Locking Nut
387525	Extended Washer Self-Locking Nut
387526	Extended Washer Self-Locking Nut
H49820-3	Extended Washer Self-Locking Nut

FAQs

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

What is the FSCG of the NSN 5310-01-068-1886?

The FSCG of the NSN 5310-01-068-1886 is 5310

Does the NSN 5310-01-068-1886 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-01-068-1886 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 5310-01-068-1886 contain precious materials?

Item contains silver.

Does NSN 5310-01-068-1886 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 5310-01-068-1886 was assigned to the Federal Catalog?

It was assigned 47 years ago, on Fri, Nov 17, 1978