MS21044H7

View detailed technical data, stock status, and sourcing information for: MS21044H7
DODParts.com distributes related products varnishes dopes paints, aircraft parts and consumables, electrical parts, fittings and other components for the aerospace and defense industries. Submit the short price quote form for part MS21044H7 to receive an up to date pricing and availability quote by email.

Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-069-4246

Item Name Code

05277

Assigment Date

01/01/1963 (63 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.

3b thread class, 0.447 inches minimum and 0.487 inches maximum nut counterbore diameter, prevailing torque all metal design locking feature, soluble lubricant lubrication, 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
Counterbore Diameter: 0.447 inches minimum and 0.487 inches maximum nut
Lubrication: soluble lubricant
Nut Style: hexagon
Nut Height: 0.435 inches minimum and 0.469 inches maximum
Width Across Flats: 0.679 inches minimum and 0.690 inches maximum
Temp Rating: 250.0 fahrenheit nominal
Thread Series: unf
Thread Quantity Per Inch: 20
Nominal Thread Size: 0.438 inches
Countersink Angle: 88.0 degrees nominal nut
Bearing Surface Type: chamfered or washer faced
Bearing Surface Finish: 125.0 microinches
Material: aluminum alloy overall
Surface Treatment: anodize overall
Surface Treatment Document And Classification: mil-a-8625 mil 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
75FS-720UN	Hexagon Self-Locking Nut
MS21044H7	Hexagon Self-Locking Nut

FAQs

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

What is the FSCG of the NSN 5310-00-069-4246?

The FSCG of the NSN 5310-00-069-4246 is 5310

Does the NSN 5310-00-069-4246 have a Schedule B code assigned?

Yes, the Schedule B code is 7616995195

Does NSN 5310-00-069-4246 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 5310-00-069-4246 contain precious materials?

Precious metal content is unknown

Does NSN 5310-00-069-4246 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 5310-00-069-4246 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963