5305-00-720-8503

Find complete technical information, availability, and procurement data for: 5305-00-720-8503
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-720-8503

Item Name Code

06657

Assigment Date

01/01/1963 (63 years ago)

right-hand thread direction, 0.316 inches minimum thread length, 3a thread class, 0.941 inches nominal fastener length, flat countersunk 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 Class: 3a
Thread Direction: right-hand
Thread Length: 0.316 inches minimum
Fastener Length: 0.941 inches nominal
Head Style: flat countersunk
Head Diameter: 0.501 inches minimum and 0.506 inches maximum
Internal Drive Style: high-torque
Nominal Thread Diameter: 0.250 inches
Thread Quantity Per Inch: 28
Countersink Angle: 100.0 degrees nominal
Screw Material: steel comp 431
Screw Material Document And Classification: qq-s-763 fed spec single material response
Screw Surface Treatment: cadmium
Screw Surface Treatment Document And Classification: nas 672 assn std single treatment response
Thread Series Designator: unf

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
HT164-10	Machine Screw
HT164AR-10	Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-00-720-8503?

The FSCG of the NSN 5305-00-720-8503 is 5305

Does the NSN 5305-00-720-8503 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-720-8503 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 5305-00-720-8503 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-720-8503 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 5305-00-720-8503 was assigned to the Federal Catalog?

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