AS353-4S-0.250

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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-01-056-7973

Item Name Code

06659

Assigment Date

02/28/1978 (48 years ago)

0.235 inches minimum and 0.280 inches maximum fastener length, right-hand thread direction, 3a thread class, 0.164 inches minimum and 0.280 inches maximum thread length, button head 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: 3a
Thread Direction: right-hand
Thread Length: 0.164 inches minimum and 0.280 inches maximum
Fastener Length: 0.235 inches minimum and 0.280 inches maximum
Head Style: button
Head Diameter: 0.469 inches minimum and 0.580 inches maximum
Head Height: 0.141 inches minimum and 0.171 inches maximum
Washer Quantity: 1
Nominal Thread Diameter: 0.250 inches
Thread Quantity Per Inch: 28
Minimum Tensile Strength: 125000 pounds per square inch
Primary Washer Style: flat
Special Features: furnish with one o-ring manufactured to ams 3304 (-85 to 559 deg f)
Material: plastic polytetrafluoroethylene primary washer
Material: steel comp 431 fastener
Material Document And Classification: aisi 431 assn std single material response fastener
Material Document And Classification: ams3652 assn std single material response primary washer
Surface Treatment: passivate fastener
Surface Treatment Document And Classification: qq-p-35 fed spec single treatment response fastener
Thread Series Designator: unf

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
11507667-2	Assembled Washer Bolt
AB2534E4	Assembled Washer Bolt
AB2534H4	Assembled Washer Bolt
AS353-4S-0.250	Assembled Washer Bolt

FAQs

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

What is the FSCG of the NSN 5306-01-056-7973?

The FSCG of the NSN 5306-01-056-7973 is 5306

Does the NSN 5306-01-056-7973 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5306-01-056-7973 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 5306-01-056-7973 contain precious materials?

Item does not contain precious metal.

Does NSN 5306-01-056-7973 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 5306-01-056-7973 was assigned to the Federal Catalog?

It was assigned 48 years ago, on Tue, Feb 28, 1978