5305-00-498-4538

Find complete technical information, availability, and procurement data for: 5305-00-498-4538
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-498-4538

Item Name Code

06657

Assigment Date

10/20/1969 (56 years ago)

1.489 inches minimum and 1.536 inches maximum fastener length, 3a thread class, right-hand thread direction, 0.291 inches minimum and 0.358 inches maximum thread 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: 0.291 inches minimum and 0.358 inches maximum
Fastener Length: 1.489 inches minimum and 1.536 inches maximum
Head Style: flat countersunk
Head Diameter: 0.461 inches minimum and 0.507 inches maximum
Internal Drive Style: high-torque
Nominal Thread Diameter: 0.250 inches
Thread Quantity Per Inch: 28
Countersink Angle: 99.0 degrees minimum and 101.0 degrees maximum
Screw Material: steel comp 302 or steel comp 305
Screw Material Document And Classification: qq-s-763 fed spec all material responses
Screw Surface Treatment: passivate
Screw Surface Treatment Document And Classification: mil-s-5002 mil spec 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
NAS1220-4CR19	Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-00-498-4538?

The FSCG of the NSN 5305-00-498-4538 is 5305

Does the NSN 5305-00-498-4538 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-498-4538 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 5305-00-498-4538 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-00-498-4538 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 5305-00-498-4538 was assigned to the Federal Catalog?

It was assigned 56 years ago, on Mon, Oct 20, 1969