5305-01-657-3275

Find complete technical information, availability, and procurement data for: 5305-01-657-3275
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-657-3275

Item Name Code

18257

Assigment Date

08/08/2016 (10 years ago)

A straight fitting capable of being taken apart and reassembled. It permits disconnection and connection of pipe or pipe fittings to tubing or tube fittings without disturbing the end connections or the rest of the line. It must have a pipe connection of any type or size on one end and a tube connection of any type or size on the other end.

1.50 inches nominal thread length, 3.50 inches nominal fastener length, right-hand thread direction, chamfer flange head style, 2a thread class

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: 1.50 inches nominal
Fastener Length: 3.50 inches nominal
Head Style: chamfer flange
Head Height: 0.62 inches nominal
Width Between Flats: 0.9220 inches minimum and 0.9375 inches maximum
Extended Washer Diameter: 1.33 inches nominal
End Item Identification: mrap - m-atv ui w/ogpk
Nominal Thread Diameter: 0.625 inches
Thread Quantity Per Inch: 11
Part Name Assigned By Controlling Agency: screw, flange, hex, tab g8 mb
Color: black overall
Material: steel overall
Surface Treatment: phosphate zinc 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
3970536074	Hexagon Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-01-657-3275?

The FSCG of the NSN 5305-01-657-3275 is 5305

Does the NSN 5305-01-657-3275 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-657-3275 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 5305-01-657-3275 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-657-3275 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 5305-01-657-3275 was assigned to the Federal Catalog?

It was assigned 10 years ago, on Mon, Aug 8, 2016