5305-01-516-6271

Find complete technical information, availability, and procurement data for: 5305-01-516-6271
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-516-6271

Item Name Code

18257

Assigment Date

01/13/2004 (22 years ago)

An adapter having standard pipe threads on one end or an unthreaded end designed to accommodate a pipe. The other end has machine threads (straight threads other than pipe or hose series) designed to accommodate a tube or is unthreaded and designed to accommodate a tube. It is designed to join a pipe or pipe fitting to a tube or tube fitting in a straight line.

fine thread class, 1.250 inches nominal thread length, 5.000 inches nominal fastener length, hexagon head style, 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: fine
Thread Direction: right-hand
Thread Length: 1.250 inches nominal
Fastener Length: 5.000 inches nominal
Head Style: hexagon
Head Height: 0.313 inches nominal
Width Between Flats: 0.750 inches nominal
Nominal Thread Diameter: 0.500 inches
Thread Quantity Per Inch: 20
Part Name Assigned By Controlling Agency: cap screw
Special Features: grade 8, 0.500 in fastener diameter, rockwell hardness c33-39, 150000psi minimum tensile strength
Material: steel 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
91257A758	Hexagon Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-01-516-6271?

The FSCG of the NSN 5305-01-516-6271 is 5305

Does the NSN 5305-01-516-6271 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-516-6271 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 5305-01-516-6271 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-516-6271 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 5305-01-516-6271 was assigned to the Federal Catalog?

It was assigned 22 years ago, on Tue, Jan 13, 2004