ST2161-10

View detailed technical data, stock status, and sourcing information for: ST2161-10
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-005-5760

Item Name Code

29730

Assigment Date

06/30/1975 (51 years ago)

A washer of nonresilient material usually having two parallel bearing surfaces. The outside and/or inside edges have one or more protuberances. The ends and/or edges may be prebent at any angle or the protuberances may be prebent at any angle to the bearing surfaces. The keys or lugs may be fitted into keyways in adjacent material or they may be bent over after application to hold or lock one or more items in place. Excludes:thrust type washer.

prevailing torque all metal design locking feature, 0.330 inches maximum washer outside diameter, 3b thread class, right-hand thread direction, 0.188 inches maximum overall height

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: 0.330 inches maximum
Overall Height: 0.188 inches maximum
Nut Style: hexagon
Washer Thickness: 0.025 inches minimum
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
Countersink Angle: 90.0 degrees nominal nut
Material: steel overall
Material Document And Classification: ams 5525 assn std single material response or ams 5735 assn std 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
4066226	Extended Washer Self-Locking Nut
5310PL0739863	Extended Washer Self-Locking Nut
5310PL1731287	Extended Washer Self-Locking Nut
74735-1032	Extended Washer Self-Locking Nut
E11520-3	Extended Washer Self-Locking Nut
H29164-3	Extended Washer Self-Locking Nut
ST2160-10	Extended Washer Self-Locking Nut
ST2161-10	Extended Washer Self-Locking Nut
ST2162-09	Extended Washer Self-Locking Nut

FAQs

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

What is the FSCG of the NSN 5310-01-005-5760?

The FSCG of the NSN 5310-01-005-5760 is 5310

Does the NSN 5310-01-005-5760 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-01-005-5760 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 5310-01-005-5760 contain precious materials?

Precious metal content is unknown

Does NSN 5310-01-005-5760 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 5310-01-005-5760 was assigned to the Federal Catalog?

It was assigned 51 years ago, on Mon, Jun 30, 1975