5305-00-271-3634

Find complete technical information, availability, and procurement data for: 5305-00-271-3634
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-271-3634

Item Name Code

06657

Assigment Date

01/01/1963 (63 years ago)

2a thread class, 0.500 inches nominal fastener length, right-hand thread direction, flat countersunk head style, 0.324 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: 2a
Thread Direction: right-hand
Thread Length: 0.324 inches minimum
Fastener Length: 0.500 inches nominal
Head Style: flat countersunk
Head Diameter: 0.348 inches minimum and 0.385 inches maximum
Internal Drive Style: cross recess type 1
Nominal Thread Diameter: 0.190 inches
Thread Quantity Per Inch: 32
Minimum Tensile Strength: 55000 pounds per square inch
Countersink Angle: 99.0 degrees minimum and 101.0 degrees maximum
Screw Material: copper alloy
Thread Series Designator: unf

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5305-00-282-4812	No Name Available	01/01/1960

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
AN507B1032R8	Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-00-271-3634?

The FSCG of the NSN 5305-00-271-3634 is 5305

Does the NSN 5305-00-271-3634 have a Schedule B code assigned?

Yes, the Schedule B code is 7415338550

Does NSN 5305-00-271-3634 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 5305-00-271-3634 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-271-3634 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 5305-00-271-3634 was assigned to the Federal Catalog?

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