5305-01-577-7639

Find complete technical information, availability, and procurement data for: 5305-01-577-7639
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-577-7639

Item Name Code

18257

Assigment Date

09/16/2009 (16 years ago)

A rigid or flexible item of various shapes attached to a structure for the purpose of providing access for inspection, service, replacement of components and/or adjustments or mounting operations. It is designed to be attached by means of bolt holes, slots, mounting ears, tabs, and the like. To permit access, the mounted cover requires partial or complete removal. It may include an observation window. For items permanently attached by hinges and the like, see door, access (as modified). Excludes:all covers not specifically designed to provide access for the purposes listed above.

0.875 inches nominal thread length, 0.875 inches nominal fastener length, hexagon head style, 2a thread class, 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: 2a
Thread Direction: right-hand
Thread Length: 0.875 inches nominal
Fastener Length: 0.875 inches nominal
Head Style: hexagon
Head Height: 0.156 inches nominal
Width Between Flats: 0.438 inches nominal
End Item Identification: 5430-01-564-7919 tank, fabric, collapsible
Nominal Thread Diameter: 0.250 inches
Thread Quantity Per Inch: 20
Minimum Tensile Strength: 120000 pounds per square inch
Hardness Rating: 25.0 rockwell c minimum overall
Part Name Assigned By Controlling Agency: hex head cap screw
Material: steel overall
Surface Treatment: 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
03245	Hexagon Head Cap Screw
03245-05	Hexagon Head Cap Screw
92865A541	Hexagon Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-01-577-7639?

The FSCG of the NSN 5305-01-577-7639 is 5305

Does the NSN 5305-01-577-7639 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-577-7639 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 5305-01-577-7639 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-577-7639 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 5305-01-577-7639 was assigned to the Federal Catalog?

It was assigned 16 years ago, on Wed, Sep 16, 2009