MS21083B08

View detailed technical data, stock status, and sourcing information for: MS21083B08
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-941-9452

Item Name Code

05277

Assigment Date

12/17/1965 (60 years ago)

hexagon nut style, 3b thread class, soluble lubricant lubrication, right-hand thread direction, 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
Lubrication: soluble lubricant
Nut Style: hexagon
Nut Height: 0.188 inches maximum
Width Across Flats: 0.336 inches minimum and 0.345 inches maximum
Temp Rating: 250.0 fahrenheit maximum
Thread Series: unjc
Thread Quantity Per Inch: 32
Nominal Thread Size: 0.164 inches
Countersink Angle: 88.0 degrees minimum nut
Bearing Surface Type: chamfered or washer faced
Bearing Surface Finish: 125.0 microinches
Material: copper alloy nut
Material: plastic polyamide (nylon) locking insert
Surface Treatment: cadmium and chromate overall except insert
Surface Treatment Document And Classification: qq-p-416,ty 2,cl 2 fed spec all treatment responses 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
8003-51	Hexagon Self-Locking Nut
MS21083B08	Hexagon Self-Locking Nut
PS23385-1	Hexagon Self-Locking Nut
Y92NTM-82	Hexagon Self-Locking Nut
Y92NTM832	Hexagon Self-Locking Nut

FAQs

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

What is the FSCG of the NSN 5310-00-941-9452?

The FSCG of the NSN 5310-00-941-9452 is 5310

Does the NSN 5310-00-941-9452 have a Schedule B code assigned?

Yes, the Schedule B code is 7415290000

Does NSN 5310-00-941-9452 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 5310-00-941-9452 contain precious materials?

Precious metal content is unknown

Does NSN 5310-00-941-9452 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 5310-00-941-9452 was assigned to the Federal Catalog?

It was assigned 60 years ago, on Fri, Dec 17, 1965