5305-01-197-3112

Find complete technical information, availability, and procurement data for: 5305-01-197-3112
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-197-3112

Item Name Code

41756

Assigment Date

12/20/1984 (41 years ago)

A washer of nonresilient material usually having two parallel bearing surfaces. The outside and/or inside edges have one or more protuberances. The ends and/or edges may be prebent at any angle or the protuberances may be prebent at any angle to the bearing surfaces. The keys or lugs may be fitted into keyways in adjacent material or they may be bent over after application to hold or lock one or more items in place. Excludes:thrust type washer.

1.815 inches minimum and 1.875 inches maximum fastener length, hexagon extended washer head style, 0.202 inches minimum and 0.240 inches maximum head height, 0.480 inches minimum and 0.520 inches maximum extended washer diameter, 0.367 inches minimum and 0.375 inches maximum width between flats

Product Characteristics

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

Fastener Length: 1.815 inches minimum and 1.875 inches maximum
Head Style: hexagon extended washer
Head Height: 0.202 inches minimum and 0.240 inches maximum
Width Between Flats: 0.367 inches minimum and 0.375 inches maximum
Extended Washer Diameter: 0.480 inches minimum and 0.520 inches maximum
Extended Washer Thickness: 0.030 inches minimum and 0.050 inches maximum
Internal Drive Style: w/o internal drive
Features Provided: casehardened
Nonmachine Thread Style: wide flute (type t)
Nonmachine Nominal Thread Diameter: 0.250 inches
Material: steel overall
Material Document And Classification: g-6010-m fscm 24617 mfr ref single material response overall
Surface Treatment: cadmium overall
Surface Treatment Document And Classification: g-4252-m fscm 24617 mfr ref 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
9422956	Tapping Screw

FAQs

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

What is the FSCG of the NSN 5305-01-197-3112?

The FSCG of the NSN 5305-01-197-3112 is 5305

Does the NSN 5305-01-197-3112 have a Schedule B code assigned?

Yes, the Schedule B code is 7318140000

Does NSN 5305-01-197-3112 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 5305-01-197-3112 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-197-3112 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 5305-01-197-3112 was assigned to the Federal Catalog?

It was assigned 41 years ago, on Thu, Dec 20, 1984