5310-00-423-0557

Find complete technical information, availability, and procurement data for: 5310-00-423-0557
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-423-0557

Item Name Code

01857

Assigment Date

05/04/1974 (52 years ago)

0.178 inches minimum and 0.193 inches maximum nut height, 0.423 inches minimum and 0.437 inches maximum width across flats, hexagon nut style, right-hand thread direction, 2b 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: 2b
Thread Direction: right-hand
Nut Style: hexagon
Nut Height: 0.178 inches minimum and 0.193 inches maximum
Width Across Flats: 0.423 inches minimum and 0.437 inches maximum
Thread Series: unc
Features Provided: casehardened
Thread Quantity Per Inch: 20
Hardness Rating: 32.0 rockwell c maximum
Nominal Thread Size: 0.250 inches
Bearing Surface Type: washer faced
Material: steel overall
Material Document And Classification: sae j995,grade 2 assn std single material response overall
Surface Treatment: cadmium or zinc overall
Surface Treatment Document And Classification: qq-p-416,type 2,class 3 fed spec single treatment response or qq-z-325,type 2,class 2 fed 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
13218E0321-291	Hexagon Plain Nut

FAQs

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

What is the FSCG of the NSN 5310-00-423-0557?

The FSCG of the NSN 5310-00-423-0557 is 5310

Does the NSN 5310-00-423-0557 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-00-423-0557 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 5310-00-423-0557 contain precious materials?

Precious metal content is unknown

Does NSN 5310-00-423-0557 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 5310-00-423-0557 was assigned to the Federal Catalog?

It was assigned 52 years ago, on Sat, May 4, 1974