5305-01-657-3502

Find complete technical information, availability, and procurement data for: 5305-01-657-3502
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-657-3502

Item Name Code

18257

Assigment Date

08/09/2016 (9 years ago)

A straight fitting 12 inches (304 mm) long or under having the same or different type of connection of the same size on both ends. It is designed to join a tube or tube fitting to another tube or tube fitting. Excludes:fittings with threaded external connections on both ends. Excludes:nipple, pipe.

right-hand thread direction, 0.625 inches nominal fastener length, 2a thread class, hexagon head style, 0.625 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: 0.625 inches nominal
Fastener Length: 0.625 inches nominal
Head Style: hexagon
Head Height: 0.150 inches minimum and 0.163 inches maximum
Width Between Flats: 0.428 inches minimum and 0.438 inches maximum
End Item Identification: 13055121
Nominal Thread Diameter: 0.250 inches
Thread Quantity Per Inch: 20
Part Name Assigned By Controlling Agency: screw cap hex (finished hex bolt)
Special Features: plain end - optional-type self-locking
Material: steel uns k04100 overall
Material Document And Classification: astm a354, grade bd american society for testing and materials (astm) single material response overall
Surface Treatment: zinc overall
Surface Treatment Document And Classification: astm b633, type ii, sc 1 assn std 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
AES01C250625AW9A86	Hexagon Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-01-657-3502?

The FSCG of the NSN 5305-01-657-3502 is 5305

Does the NSN 5305-01-657-3502 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-657-3502 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 5305-01-657-3502 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-657-3502 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 5305-01-657-3502 was assigned to the Federal Catalog?

It was assigned 9 years ago, on Tue, Aug 9, 2016