5305-01-053-4553

Find complete technical information, availability, and procurement data for: 5305-01-053-4553
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-053-4553

Item Name Code

18257

Assigment Date

01/05/1978 (48 years ago)

2a thread class, right-hand thread direction, 6.096 millimeters nominal head height, hexagon extended washer head style, 15.875 millimeters nominal thread length

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: 15.875 millimeters nominal
Head Style: hexagon extended washer
Head Height: 6.096 millimeters nominal
Width Between Flats: 9.525 millimeters nominal
Extended Washer Diameter: 13.208 millimeters nominal
Extended Washer Thickness: 1.270 millimeters nominal
Nominal Thread Diameter: 0.250 inches
Thread Quantity Per Inch: 20
Material: steel overall
Surface Treatment: cadmium overall
Surface Treatment Document And Classification: 1e397,cagec 11083 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
310243	Hexagon Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-01-053-4553?

The FSCG of the NSN 5305-01-053-4553 is 5305

Does the NSN 5305-01-053-4553 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-053-4553 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 5305-01-053-4553 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-053-4553 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 5305-01-053-4553 was assigned to the Federal Catalog?

It was assigned 48 years ago, on Thu, Jan 5, 1978