22A21-68-048

View detailed technical data, stock status, and sourcing information for: 22A21-68-048
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-639-6817

Item Name Code

05280

Assigment Date

01/01/1963 (63 years ago)

prevailing torque all metal design locking feature, 3b thread class, right-hand thread direction, plate nut style, 0.098 inches minimum and 0.103 inches maximum mounting hole 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
Locking Feature: prevailing torque all metal design
Mounting Hole Diameter: 0.098 inches minimum and 0.103 inches maximum
Nut Style: plate
Nut Length: 1.281 inches nominal
Nut Height: 0.345 inches nominal
Plate Thickness: 0.032 inches nominal
Plate Width: 0.594 inches nominal
Nut Mounting Provision: straight holes
Mounting Hole Arrangement Style: 2 holes
Distance From Aperture Center To Mounting Hole Center: 0.495 inches minimum and 0.505 inches maximum
Center To Center Distance Between Mounting Holes Along Length: 0.998 inches minimum and 1.002 inches maximum
Temp Rating: 250.0 fahrenheit nominal
Thread Series: unf
Features Provided: floating nut
Thread Quantity Per Inch: 28
Nominal Thread Size: 0.250 inches
Material: aluminum alloy 2024 base
Material: aluminum alloy 2024 shell
Material: fiber locking insert
Material: steel nut
Material Document And Classification: ams 4037 assn std single material response base
Material Document And Classification: ams 4037 assn std single material response shell
Surface Treatment: anodize base
Surface Treatment: anodize shell
Surface Treatment: cadmium nut

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5310-00-603-0432	No Name Available	01/01/1960

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
22A21-68-048	Plate Self-Locking Nut
22NA21-68-048	Plate Self-Locking Nut

FAQs

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

What is the FSCG of the NSN 5310-00-639-6817?

The FSCG of the NSN 5310-00-639-6817 is 5310

Does the NSN 5310-00-639-6817 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-00-639-6817 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 5310-00-639-6817 contain precious materials?

Precious metal content is unknown

Does NSN 5310-00-639-6817 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 5310-00-639-6817 was assigned to the Federal Catalog?

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