5305-00-236-6531

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Assembled Washer Screw

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Official Item Classification

Name: Assembled Washer Screw
(NSN) National Stock Number: 5305-00-236-6531
(FSG) Federal Supply Group: 53 Hardware and Abrasives
(FSC) Federal Supply Classification: 5305 Screws
(INC) Item Name Code: 06660
(FIIG) Federal Item Identification Guide: A003B0
Date: 03/05/1971 (55 years ago)

right-hand thread direction, 2a thread class, 0.889 inches minimum thread length, round head style, 1.000 inches nominal fastener length

Specs & Compatibility

Thread Class

Thread Direction

right-hand

Thread Length

0.889 inches minimum

Fastener Length

1.000 inches nominal

Head Style

round

Head Diameter

0.557 inches minimum and 0.590 inches maximum

Head Height

0.198 inches minimum and 0.216 inches maximum

Washer Quantity

Internal Drive Style

slot

Nominal Thread Diameter

0.312 inches

Thread Quantity Per Inch

Primary Washer Outside Diameter

0.588 inches minimum and 0.610 inches maximum

Primary Washer Style

flat external teeth

Primary Washer Material Thickness

0.028 inches minimum and 0.034 inches maximum

Material

steel overall

Thread Series Designator

unc

Regulatory Compliance

Precious Metals Indicator

Item does not contain precious metal.

Criticality Code

The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.

Hazardous Metals Indicator

Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

Pseudo Item Name Code

0006660

Related Hardware Products

Part Number	Description
435318C1	Assembled Washer Screw
VM1471	Assembled Washer Screw

Frequently Asked Questions

What is the FSCG of the NSN 5305-00-236-6531?

The FSCG of the NSN 5305-00-236-6531 is 5305

Does the NSN 5305-00-236-6531 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-236-6531 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 5305-00-236-6531 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-00-236-6531 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 5305-00-236-6531 was assigned to the Federal Catalog?

It was assigned 55 years ago, on Fri, Mar 5, 1971