5305-01-168-8301

Find complete technical information, availability, and procurement data for: 5305-01-168-8301
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-168-8301

Item Name Code

18257

Assigment Date

12/27/1983 (42 years ago)

An internally threaded nut which has an internal seat or shoulder designed to engage the nut retaining flange of a union tailpiece. The threaded portion is used to engage the thread piece of a union, union elbor or the like. Excludes:nut (1), tube coupling.

2a thread class, 1.250 inches nominal fastener length, right-hand thread direction, 1.000 inches minimum thread 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: 1.000 inches minimum
Fastener Length: 1.250 inches nominal
Head Style: hexagon
Head Height: 0.312 inches nominal
Width Between Flats: 0.750 inches nominal
Nominal Thread Diameter: 0.500 inches
Thread Quantity Per Inch: 13
Material: steel corrosion resisting 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
232279	Hexagon Head Cap Screw
28941	Hexagon Head Cap Screw
516-5343915-F134	Hexagon Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-01-168-8301?

The FSCG of the NSN 5305-01-168-8301 is 5305

Does the NSN 5305-01-168-8301 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-168-8301 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 5305-01-168-8301 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-168-8301 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 5305-01-168-8301 was assigned to the Federal Catalog?

It was assigned 42 years ago, on Tue, Dec 27, 1983