MS21084L12

View detailed technical data, stock status, and sourcing information for: MS21084L12
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-055-4165

Item Name Code

29729

Assigment Date

02/04/1978 (48 years ago)

0.860 inches maximum overall height, 3b thread class, 1.296 inches maximum washer outside diameter, 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: 1.296 inches maximum
Overall Height: 0.860 inches maximum
Nut Style: double hexagon
Washer Thickness: 0.090 inches minimum
Temp Rating: 450.0 fahrenheit maximum
Thread Series: unf
Thread Quantity Per Inch: 16
Hardness Rating: 48.0 rockwell c maximum
Nominal Thread Size: 0.7500 inches
Special Features: wrenching facility per ms33787-30
Material: steel overall
Surface Treatment: cadmium and chromate overall
Surface Treatment Document And Classification: qq-p-416,ty 2,cl 2 fed spec 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
5310PL0743528	Extended Washer Self-Locking Nut
5310PL1813225	Extended Washer Self-Locking Nut
78688-1216	Extended Washer Self-Locking Nut
MS21084L12	Extended Washer Self-Locking Nut
RMLH10722-12	Extended Washer Self-Locking Nut
SP50959-12	Extended Washer Self-Locking Nut
SP50959-3	Extended Washer Self-Locking Nut
ST3M816-12M	Extended Washer Self-Locking Nut

FAQs

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

What is the FSCG of the NSN 5310-01-055-4165?

The FSCG of the NSN 5310-01-055-4165 is 5310

Does the NSN 5310-01-055-4165 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-01-055-4165 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 5310-01-055-4165 contain precious materials?

Precious metal content is unknown

Does NSN 5310-01-055-4165 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 5310-01-055-4165 was assigned to the Federal Catalog?

It was assigned 48 years ago, on Sat, Feb 4, 1978