5320-01-549-6257

Find complete technical information, availability, and procurement data for: 5320-01-549-6257
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5320 Rivets

National Stock Number

5320-01-549-6257

Item Name Code

00861

Assigment Date

03/27/2007 (19 years ago)

An item designed to inclose the cylinder bore(s) of an engine block to form a combustion chamber(s). It may have liquid-cooling passage(s) and/or air-cooling fin(s) and may include valve(s), valve guide(s), spring(s), and the like. It is a component part of a compressor, reciprocating.

0.221 inches minimum and 0.229 inches maximum head major diameter, flush (flat) countersunk (included angle - less than 135 deg w or w/o chamfer) head style, straight w/radius chamfered tip shank style, 0.365 inches minimum and 0.385 inches maximum fastener length, 0.124 inches minimum and 0.128 inches maximum shank diameter

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Fastener Length: 0.365 inches minimum and 0.385 inches maximum
Head Style: flush (flat) countersunk (included angle - less than 135 deg w or w/o chamfer)
Shank Diameter: 0.124 inches minimum and 0.128 inches maximum
Shank Style: straight w/radius chamfered tip
Head Major Diameter: 0.221 inches minimum and 0.229 inches maximum
End Item Identification: b-1b
Countersink Angle: 99.5 degrees minimum and 100.5 degrees maximum
Material: aluminum alloy 7050 overall
Surface Treatment: aluminum overall
Surface Treatment Document And Classification: mil-a-8625, type ii, class 1a. gold/yellow 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
MS20426E4-6S	Solid Rivet

FAQs

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

What is the FSCG of the NSN 5320-01-549-6257?

The FSCG of the NSN 5320-01-549-6257 is 5320

Does the NSN 5320-01-549-6257 have a Schedule B code assigned?

Yes, the Schedule B code is 7616103000

Does NSN 5320-01-549-6257 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 5320-01-549-6257 contain precious materials?

Item does not contain precious metal.

Does NSN 5320-01-549-6257 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 5320-01-549-6257 was assigned to the Federal Catalog?

It was assigned 19 years ago, on Tue, Mar 27, 2007