MS21044C10

View detailed technical data, stock status, and sourcing information for: MS21044C10
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-079-6474

Item Name Code

05277

Assigment Date

01/01/1960 (66 years ago)

A nut having a flat bottom and 6 sides. An integral feature is incorporated for locking on the threads of a mating member. Excludes:nut (1), self-locking, cap.

soluble lubricant lubrication, right-hand thread direction, 0.636 inches minimum and 0.676 inches maximum nut counterbore diameter, prevailing torque with nonmetallic insert locking feature, 3b thread class

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
Counterbore Diameter: 0.636 inches minimum and 0.676 inches maximum nut
Lubrication: soluble lubricant
Nut Style: hexagon
Nut Height: 0.732 inches minimum and 0.766 inches maximum
Width Across Flats: 0.928 inches minimum and 0.940 inches maximum
Temp Rating: 250.0 fahrenheit nominal
Thread Series: unf
Thread Quantity Per Inch: 18
Nominal Thread Size: 0.625 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

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5310-00-490-6652	No Name Available	08/17/1970
5310-00-606-9627	No Name Available	02/01/1982
5310-00-616-3642	No Name Available	02/01/1985

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
002-003645-011	Hexagon Self-Locking Nut
333-1309-000	Hexagon Self-Locking Nut
MS21044-C10	Hexagon Self-Locking Nut
MS21044C10	Hexagon Self-Locking Nut

FAQs

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

What is the FSCG of the NSN 5310-00-079-6474?

The FSCG of the NSN 5310-00-079-6474 is 5310

Does the NSN 5310-00-079-6474 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-00-079-6474 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 5310-00-079-6474 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-00-079-6474 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 5310-00-079-6474 was assigned to the Federal Catalog?

It was assigned 66 years ago, on Fri, Jan 1, 1960