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MS21044 C04 Hexagon Self-Locking Nut

5310-00-982-4999

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Official Item Classification

Name
Hexagon Self-Locking Nut
Part Number
MS21044 C04
(NSN) National Stock Number
5310-00-982-4999
(FSG) Federal Supply Group
53 Hardware and Abrasives
(FSC) Federal Supply Classification
5310 Nuts and Washers
(INC) Item Name Code
05277
(FIIG) Federal Item Identification Guide
A021A0
Date
01/01/1962 (64 years ago)

prevailing torque with nonmetallic insert locking feature, 3b thread class, hexagon nut style, right-hand thread direction, soluble lubricant lubrication

Specs & Compatibility

Thread Class

3b

Thread Direction

right-hand

Locking Feature

prevailing torque with nonmetallic insert

Lubrication

soluble lubricant

Nut Style

hexagon

Nut Height

0.133 inches minimum and 0.157 inches maximum

End Item Identification

mrap - rg-33; multiple launch rocket system (mlrs); armored multi-purpose vehicle (ampv)

Width Across Flats

0.243 inches minimum and 0.251 inches maximum

Temp Rating

250.0 fahrenheit nominal

Thread Series

unjc

Thread Quantity Per Inch

40

Nominal Thread Size

0.112 inches

Countersink Angle

88.0 degrees nominal nut

Bearing Surface Type

chamfered or washer faced

Bearing Surface Finish

125.0 microinches

Material

steel comp 302 or steel comp 303 or steel comp 304 nut

Material Document And Classification

ams 5688 assn std 1st material response or ams 5640 assn std 2nd material response or ams 5647 assn std 3rd material response nut

Surface Treatment

passivate overall except insert

Surface Treatment Document And Classification

qq-p-35 fed spec single treatment response overall except insert

Replacement For

Part Number Description
5310-00-050-3573 No Name Available 10/16/1996
5310-00-543-5258 No Name Available 03/01/1991
5310-00-808-5667 No Name Available 02/12/1968
5310-01-133-0765 No Name Available 06/01/1991

Regulatory Compliance

Precious Metals Indicator
A

Item does not contain precious metal.

Criticality Code
X

The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.

Hazardous Metals Indicator
N

Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

Pseudo Item Name Code

0005277

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Frequently Asked Questions

What is the FSCG of the NSN 5310-00-982-4999?
The FSCG of the NSN 5310-00-982-4999 is 5310
Does the NSN 5310-00-982-4999 have a Schedule B code assigned?
Yes, the Schedule B code is 7318160000
Does NSN 5310-00-982-4999 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 5310-00-982-4999 contain precious materials?
Item does not contain precious metal.
Does NSN 5310-00-982-4999 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 5310-00-982-4999 was assigned to the Federal Catalog?
It was assigned 64 years ago, on Mon, Jan 1, 1962