5305-00-421-9167

Find complete technical information, availability, and procurement data for: 5305-00-421-9167
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-421-9167

Item Name Code

06660

Assigment Date

12/21/1970 (55 years ago)

A hardened externally threaded fastener whose thread extends to the bearing surface of the head. The thread may be fluted or otherwise designed to cut or form its own mating thread. Excludes:screw, assembled washer.

round extended washer head style, 0.560 inches maximum thread length, 0.602 inches minimum and 0.622 inches maximum fastener length, 0.197 inches minimum and 0.215 inches maximum head diameter, right-hand thread direction

Product Characteristics

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

Thread Direction: right-hand
Thread Length: 0.560 inches maximum
Fastener Length: 0.602 inches minimum and 0.622 inches maximum
Head Style: round extended washer
Head Diameter: 0.197 inches minimum and 0.215 inches maximum
Head Height: 0.097 inches minimum and 0.109 inches maximum
Extended Washer Diameter: 0.290 inches minimum and 0.312 inches maximum
Extended Washer Thickness: 0.021 inches minimum and 0.041 inches maximum
Washer Quantity: 1
Internal Drive Style: slot
Nominal Thread Diameter: 0.125 inches
Thread Quantity Per Inch: 40
Hardness Rating: 28.0 rockwell c minimum and 33.0 rockwell c maximum overall
Primary Washer Outside Diameter: 0.290 inches minimum and 0.312 inches maximum
Primary Washer Style: flat
Primary Washer Material Thickness: 0.021 inches minimum and 0.041 inches maximum
Material: steel overall
Surface Treatment: nickel overall
Surface Treatment Document And Classification: 20 fscm 23610 mfr ref single treatment response overall
Thread Series Designator: unc

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
1053107	Assembled Washer Screw

FAQs

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

What is the FSCG of the NSN 5305-00-421-9167?

The FSCG of the NSN 5305-00-421-9167 is 5305

Does the NSN 5305-00-421-9167 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-421-9167 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 5305-00-421-9167 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-421-9167 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 5305-00-421-9167 was assigned to the Federal Catalog?

It was assigned 55 years ago, on Mon, Dec 21, 1970