5305-00-450-5745

Find complete technical information, availability, and procurement data for: 5305-00-450-5745
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-450-5745

Item Name Code

06660

Assigment Date

12/15/1969 (56 years ago)

2a thread class, 0.938 inches minimum thread length, 0.367 inches minimum and 0.375 inches maximum width between flats, 0.969 inches minimum and 1.000 inches maximum fastener length, 0.220 inches minimum and 0.222 inches maximum head height

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 Length: 0.938 inches minimum
Fastener Length: 0.969 inches minimum and 1.000 inches maximum
Head Height: 0.220 inches minimum and 0.222 inches maximum
Width Between Flats: 0.367 inches minimum and 0.375 inches maximum
Extended Washer Diameter: 0.480 inches minimum and 0.520 inches maximum
Extended Washer Thickness: 0.030 inches minimum and 0.050 inches maximum
Washer Quantity: 1
Internal Drive Style: slot
Nominal Thread Diameter: 0.250 inches
Thread Quantity Per Inch: 20
Primary Washer Outside Diameter: 0.493 inches maximum
Primary Washer Style: split helical ring
Primary Washer Material Thickness: 0.062 inches nominal
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
311563	Assembled Washer Screw

FAQs

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

What is the FSCG of the NSN 5305-00-450-5745?

The FSCG of the NSN 5305-00-450-5745 is 5305

Does NSN 5305-00-450-5745 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 5305-00-450-5745 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-00-450-5745 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 5305-00-450-5745 was assigned to the Federal Catalog?

It was assigned 56 years ago, on Mon, Dec 15, 1969