5305-00-857-7191

Find complete technical information, availability, and procurement data for: 5305-00-857-7191
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-857-7191

Item Name Code

16282

Assigment Date

01/01/1962 (64 years ago)

right-hand thread direction, flat chamfer head style, 2a thread class, 0.250 inches nominal fastener length, 0.250 inches 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: 0.250 inches nominal
Fastener Length: 0.250 inches nominal
Head Style: flat chamfer
Head Diameter: 0.178 inches minimum and 0.183 inches maximum
Head Height: 0.108 inches minimum and 0.112 inches maximum
Internal Drive Style: hexagon
Nominal Thread Diameter: 0.112 inches
Width Across Flats: 0.078 inches minimum and 0.079 inches maximum
Thread Quantity Per Inch: 40
Material: steel comp 302 or steel comp 303se or steel comp 316 overall
Material Document And Classification: qq-s-763 fed spec all material responses overall
Surface Treatment: passivate 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
410992-404	Socket Head Cap Screw
G267150-2	Socket Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-00-857-7191?

The FSCG of the NSN 5305-00-857-7191 is 5305

Does the NSN 5305-00-857-7191 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-857-7191 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 5305-00-857-7191 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-857-7191 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 5305-00-857-7191 was assigned to the Federal Catalog?

It was assigned 64 years ago, on Mon, Jan 1, 1962