A5659-28

View detailed technical data, stock status, and sourcing information for: A5659-28
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-275-1881

Item Name Code

01857

Assigment Date

01/01/1963 (63 years ago)

0.606 inches minimum and 0.625 inches maximum width across flats, 0.295 inches minimum and 0.331 inches maximum nut height, 3b thread class, right-hand thread direction, hexagon nut style

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
Nut Style: hexagon
Nut Height: 0.295 inches minimum and 0.331 inches maximum
Width Across Flats: 0.606 inches minimum and 0.625 inches maximum
Thread Series: unf
Thread Quantity Per Inch: 24
Nominal Thread Size: 0.375 inches
Bearing Surface Type: washer faced
Material: nickel alloy r-405 overall
Material Document And Classification: mil-n-894,class 2 mil spec single material response overall

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5310-00-272-5708	No Name Available	06/01/2007

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
06-2621-5	Hexagon Plain Nut
06-2632	Hexagon Plain Nut
3108111	Hexagon Plain Nut
8501093	Hexagon Plain Nut
93J427-31	Hexagon Plain Nut
95J112-11	Hexagon Plain Nut
A062910	Hexagon Plain Nut
A5276PC27	Hexagon Plain Nut
A5659-28	Hexagon Plain Nut
A8501093	Hexagon Plain Nut
E8517552PC14	Hexagon Plain Nut
E8517843	Hexagon Plain Nut
E8521295	Hexagon Plain Nut
FF-N-836TYPE2STYLE13	Hexagon Plain Nut
QQ-N-281TYPECLASSAORB	Hexagon Plain Nut

FAQs

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

What is the FSCG of the NSN 5310-00-275-1881?

The FSCG of the NSN 5310-00-275-1881 is 5310

Does the NSN 5310-00-275-1881 have a Schedule B code assigned?

Yes, the Schedule B code is 7508900000

Does NSN 5310-00-275-1881 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 5310-00-275-1881 contain precious materials?

Precious metal content is unknown

Does NSN 5310-00-275-1881 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 5310-00-275-1881 was assigned to the Federal Catalog?

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