5305-00-421-9152

Find complete technical information, availability, and procurement data for: 5305-00-421-9152
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-421-9152

Item Name Code

06657

Assigment Date

12/23/1970 (55 years ago)

A washer having a centrally located hole with a solid or laminated cross-section and two flat parallel bearing surfaces. The hole must be 75 percent or less than the largest dimension and the bearing surface finish is greater than 32 microinch (0.8 micrometer). The thickness cannot exceed 25 percent of the largest outside dimension. When the largest outside dimension is less than 1/4 inch or 6mm, the thickness must be 0.006 inches (0.15mm) or greater and for items 1/4 inch (6mm) or larger, the thickness must be 0.016 inches (0.4mm) or greater. The maximum tolerance is applied to dimensions and used as a determining factor. Items with separable lamination use shim. For items fabricated from ceramic or electrically rated materials by specification or industry standards use insulator (1), washer. Excludes:disk, valve, graphite impregnated and lubricated items.

0.178 inches minimum and 0.214 inches maximum thread length, 2a thread class, fillister head style, 0.219 inches minimum and 0.250 inches maximum fastener length, 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 Class: 2a
Thread Direction: right-hand
Thread Length: 0.178 inches minimum and 0.214 inches maximum
Fastener Length: 0.219 inches minimum and 0.250 inches maximum
Head Style: fillister
Head Diameter: 0.145 inches minimum and 0.161 inches maximum
Head Height: 0.061 inches minimum and 0.070 inches maximum
Internal Drive Style: slot
Nominal Thread Diameter: 0.099 inches
Thread Quantity Per Inch: 48
Screw Material: steel
Screw Surface Treatment: cadmium
Thread Series Designator: unc

FAQs

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

What is the FSCG of the NSN 5305-00-421-9152?

The FSCG of the NSN 5305-00-421-9152 is 5305

Does the NSN 5305-00-421-9152 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-421-9152 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 5305-00-421-9152 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-421-9152 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 5305-00-421-9152 was assigned to the Federal Catalog?

It was assigned 55 years ago, on Wed, Dec 23, 1970