1N8-4

View detailed technical data, stock status, and sourcing information for: 1N8-4
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-596-5531

Item Name Code

01854

Assigment Date

01/01/1963 (63 years ago)

0.428 inches minimum and 0.440 inches maximum width across flats, castellated, hexagon nut style, right-hand thread direction, 3b thread class, 0.266 inches minimum and 0.297 inches maximum nut height

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: castellated, hexagon
Nut Height: 0.266 inches minimum and 0.297 inches maximum
Width Across Flats: 0.428 inches minimum and 0.440 inches maximum
Thread Series: unf
Thread Quantity Per Inch: 28
Nominal Thread Size: 0.250 inches
Countersink Angle: 109.0 degrees minimum and 111.0 degrees maximum nut
Bearing Surface Type: washer faced
Bearing Surface Finish: 125.0 microinches
Material: nickel alloy x-750 overall
Material Document And Classification: ams 5667 assn std single material 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
1N8-4	Nut,plain,castellated,hexagon

FAQs

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

What is the FSCG of the NSN 5310-00-596-5531?

The FSCG of the NSN 5310-00-596-5531 is 5310

Does the NSN 5310-00-596-5531 have a Schedule B code assigned?

Yes, the Schedule B code is 7508900000

Does NSN 5310-00-596-5531 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 5310-00-596-5531 contain precious materials?

Precious metal content is unknown

Does NSN 5310-00-596-5531 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 5310-00-596-5531 was assigned to the Federal Catalog?

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