5305-00-271-2566

Find complete technical information, availability, and procurement data for: 5305-00-271-2566
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-271-2566

Item Name Code

06657

Assigment Date

01/01/1963 (63 years ago)

0.438 inches minimum and 0.500 inches maximum thread length, round head style, 2a thread class, right-hand thread direction, 0.500 inches nominal fastener 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: 0.438 inches minimum and 0.500 inches maximum
Fastener Length: 0.500 inches nominal
Head Style: round
Head Diameter: 0.240 inches minimum and 0.260 inches maximum
Head Height: 0.091 inches minimum and 0.103 inches maximum
Internal Drive Style: slot
Nominal Thread Diameter: 0.138 inches
Thread Quantity Per Inch: 32
Minimum Tensile Strength: 60000 pounds per square inch
Screw Material: steel
Screw Material Document And Classification: qq-s-633 fed spec single material response
Thread Series Designator: unc
Nondefinitive Spec/Std Data: 1 type and 1s style

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5305-00-010-0738	No Name Available	01/24/1966
5305-00-225-8367	No Name Available	01/20/1966
5305-00-680-6649	No Name Available	01/20/1966
1680-00-921-1419	No Name Available	12/14/1966

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
6-32X1-2RHMSCRSTL	Machine Screw
SCR505	Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-00-271-2566?

The FSCG of the NSN 5305-00-271-2566 is 5305

Does the NSN 5305-00-271-2566 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-271-2566 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 5305-00-271-2566 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-271-2566 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 5305-00-271-2566 was assigned to the Federal Catalog?

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