5305-01-508-6639

Find complete technical information, availability, and procurement data for: 5305-01-508-6639
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-508-6639

Item Name Code

06657

Assigment Date

05/29/2003 (23 years ago)

A headless fastener not exceeding 12 inches (304.8 mm) in length, threaded externally on both ends with threads of the same nominal diameter. The maximum diameter of the unthreaded portion must not be greater than the nominal thread diameter plus 0.020 inches (0.508 mm). The unthreaded portion must be without locking or wrenching provisions. It may be thread relieved. See also rod, threaded end and rod, continuous thread.

1.000 inches nominal fastener length, 0.3125 inches nominal thread diameter, engine end item identification, right-hand thread direction, hexagon extended washer 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 Direction: right-hand
Fastener Length: 1.000 inches nominal
Head Style: hexagon extended washer
End Item Identification: engine
Nominal Thread Diameter: 0.3125 inches
Thread Quantity Per Inch: 18
Special Features: used on exhaust manifold and exhaust plate
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
10-881190	Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-01-508-6639?

The FSCG of the NSN 5305-01-508-6639 is 5305

Does NSN 5305-01-508-6639 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 5305-01-508-6639 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-508-6639 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 5305-01-508-6639 was assigned to the Federal Catalog?

It was assigned 23 years ago, on Thu, May 29, 2003