5305-01-157-0803

Find complete technical information, availability, and procurement data for: 5305-01-157-0803
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-157-0803

Item Name Code

18257

Assigment Date

06/29/1983 (43 years ago)

0.558 inches nominal thread length, right-hand thread direction, hexagon head style, 2a thread class, 0.558 inches nominal fastener 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: 0.558 inches nominal
Fastener Length: 0.558 inches nominal
Head Style: hexagon
Head Height: 0.302 inches minimum and 0.323 inches maximum
Width Between Flats: 0.840 inches minimum and 0.866 inches maximum
Hole Diameter: 0.093 inches nominal
Nominal Thread Diameter: 0.500 inches
Hole Quantity: 6
Hole Type: drilled
Thread Quantity Per Inch: 13
Hole Configuration Style: hexagon flats
Material: steel comp 316 overall
Material Document And Classification: qq-s-763 fed spec single material response overall
Surface Treatment: passivate overall
Surface Treatment Document And Classification: qq-p-35 fed spec 1st treatment response or sps-c-105 03024 mfr ref 2nd 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
8-60009508-5	Hexagon Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-01-157-0803?

The FSCG of the NSN 5305-01-157-0803 is 5305

Does the NSN 5305-01-157-0803 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-157-0803 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 5305-01-157-0803 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-157-0803 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 5305-01-157-0803 was assigned to the Federal Catalog?

It was assigned 43 years ago, on Wed, Jun 29, 1983