5305-00-637-1898

Find complete technical information, availability, and procurement data for: 5305-00-637-1898
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-637-1898

Item Name Code

06657

Assigment Date

01/01/1963 (63 years ago)

fillister head style, right-hand thread direction, 3a thread class, 0.970 inches nominal fastener length, 0.947 inches minimum 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: 3a
Thread Direction: right-hand
Thread Length: 0.947 inches minimum
Fastener Length: 0.970 inches nominal
Head Style: fillister
Head Diameter: 0.313 inches nominal
Head Height: 0.180 inches nominal
Internal Drive Style: slot
Nominal Thread Diameter: 0.190 inches
Thread Quantity Per Inch: 24
Minimum Tensile Strength: 125000 pounds per square inch
Screw Material: steel comp 8630
Screw Material Document And Classification: mil-s-6050 mil spec single material response or an-s-9 mil std single material response
Screw Surface Treatment: cadmium
Special Features: one drilled hole
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
32579-2	Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-00-637-1898?

The FSCG of the NSN 5305-00-637-1898 is 5305

Does the NSN 5305-00-637-1898 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-637-1898 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 5305-00-637-1898 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-637-1898 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 5305-00-637-1898 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963