5305-00-421-9899

Find complete technical information, availability, and procurement data for: 5305-00-421-9899
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-421-9899

Item Name Code

06660

Assigment Date

12/14/1970 (55 years ago)

A screw, (as modified) to which has been assembled one or more nonremovable washer(s).

0.312 inches nominal thread length, right-hand thread direction, 2a thread class, 0.312 inches nominal fastener length, hexagon 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: 2a
Thread Direction: right-hand
Thread Length: 0.312 inches nominal
Fastener Length: 0.312 inches nominal
Head Style: hexagon
Head Height: 0.094 inches nominal
Width Between Flats: 0.250 inches nominal
Washer Quantity: 1
Internal Drive Style: slot
Nominal Thread Diameter: 0.138 inches
Thread Quantity Per Inch: 40
Primary Washer Outside Diameter: 0.285 inches nominal
Primary Washer Style: flat internal teeth
Primary Washer Material Thickness: 0.031 inches nominal
Material: steel overall
Surface Treatment: cadmium overall
Thread Series Designator: unf

FAQs

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

What is the FSCG of the NSN 5305-00-421-9899?

The FSCG of the NSN 5305-00-421-9899 is 5305

Does the NSN 5305-00-421-9899 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-421-9899 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 5305-00-421-9899 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-421-9899 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 5305-00-421-9899 was assigned to the Federal Catalog?

It was assigned 55 years ago, on Mon, Dec 14, 1970