MS21244-12

View detailed technical data, stock status, and sourcing information for: MS21244-12
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-097-8010

Item Name Code

21824

Assigment Date

07/19/1980 (46 years ago)

A nut having 12 drive points, 24 sides, and an integral washer which extends beyond the points or periphery. An integral feature is incorporated for locking on the threads of a mating member.

3b thread class, 1.253 inches minimum and 1.283 inches maximum washer outside diameter, right-hand thread direction, 0.911 inches minimum and 0.951 inches maximum overall height, 0.905 inches minimum and 0.915 inches maximum nut counterbore diameter

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
Washer Outside Diameter: 1.253 inches minimum and 1.283 inches maximum
Counterbore Diameter: 0.905 inches minimum and 0.915 inches maximum nut
Overall Height: 0.911 inches minimum and 0.951 inches maximum
Nut Style: flat with turned back edge
Nut Height: 0.220 inches minimum
Nut Counterbore Depth: 0.430 inches minimum and 0.450 inches maximum nut
Width Across Flats: 1.052 inches minimum and 1.064 inches maximum
Temp Rating: 450.0 fahrenheit maximum
Thread Series: unjf
Thread Quantity Per Inch: 16
Hardness Rating: 80.0 rockwell b minimum and 32.0 rockwell c maximum
Nominal Thread Size: 0.750 inches
Bearing Surface Finish: 125.0 microinches
Material: steel comp 1005 or steel comp 1006 or steel comp 1008 or steel comp 1009 or steel comp 1010 or steel comp 1011 or steel comp 1012 or steel comp 1013 or steel comp 1015 or steel comp 1016 or steel comp 1017 or steel comp 1018 or steel comp 1019 or steel comp 1020 or steel comp 1021 or steel comp 1022 or steel comp 1023 or steel comp 1524 or steel comp 1025 or steel comp 1026 or steel comp 1527 or steel comp 1029 or steel comp 1030 or steel comp 1033 or steel comp 1034 or steel comp 1035 or steel comp 1536 or steel comp 1037 or steel comp 1038 or steel comp 1039 or steel comp 1040 or steel comp 1541 nut
Material Document And Classification: sae assn std all material responses nut
Surface Treatment: cadmium and chromate nut
Surface Treatment: passivate washer
Surface Treatment Document And Classification: qq-p-35 fed spec single treatment response washer
Surface Treatment Document And Classification: qq-p-416,ty 2,cl 2 fed spec all treatment responses nut

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
10122131	Assembled Washer Plain Nut
5310PL2216440	Assembled Washer Plain Nut
MS21244-12	Assembled Washer Plain Nut

FAQs

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

What is the FSCG of the NSN 5310-01-097-8010?

The FSCG of the NSN 5310-01-097-8010 is 5310

Does the NSN 5310-01-097-8010 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-01-097-8010 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 5310-01-097-8010 contain precious materials?

Precious metal content is unknown

Does NSN 5310-01-097-8010 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 5310-01-097-8010 was assigned to the Federal Catalog?

It was assigned 46 years ago, on Sat, Jul 19, 1980