5305-00-271-2940

Find complete technical information, availability, and procurement data for: 5305-00-271-2940
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-271-2940

Item Name Code

06657

Assigment Date

01/01/1963 (63 years ago)

0.177 inches minimum and 0.219 inches maximum thread length, right-hand thread direction, round head style, 2a thread class, 0.188 inches minimum and 0.219 inches maximum 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: 0.177 inches minimum and 0.219 inches maximum
Fastener Length: 0.188 inches minimum and 0.219 inches maximum
Head Style: round
Head Diameter: 0.193 inches minimum and 0.211 inches maximum
Head Height: 0.075 inches minimum and 0.086 inches maximum
Internal Drive Style: cross recess type 1
Nominal Thread Diameter: 0.112 inches
Thread Quantity Per Inch: 48
Minimum Tensile Strength: 55000 pounds per square inch
Part Name Assigned By Controlling Agency: navy special project
Screw Material: copper alloy
Screw Material Document And Classification: qq-b-613 fed spec single material response or qq-b-626 fed spec single material response or qq-w-321 fed spec single material response
Thread Series Designator: unf
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Below is a list of NSNs that have been officially superseded by this NSN: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
5305-00-298-7349	No Name Available	01/02/1969

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
8Z1010PC61	Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-00-271-2940?

The FSCG of the NSN 5305-00-271-2940 is 5305

Does the NSN 5305-00-271-2940 have a Schedule B code assigned?

Yes, the Schedule B code is 7415338550

Does NSN 5305-00-271-2940 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 5305-00-271-2940 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-00-271-2940 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 5305-00-271-2940 was assigned to the Federal Catalog?

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