5305-01-274-2897

Find complete technical information, availability, and procurement data for: 5305-01-274-2897
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-274-2897

Item Name Code

06657

Assigment Date

03/07/1988 (38 years ago)

An externally threaded fastener whose threaded portion is of one nominal diameter. The head has an internal socket or multiple spline for use with an inserted driver. A locking feature may be incorporated in the design of the head or threads. Excludes:items with bevel (conical) heads. See bolt, internal wrenching. Excludes:screw, shoulder; and screw, machine.

right-hand thread direction, 2a thread class, 0.275 inches minimum thread length, square head style, 0.750 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: 0.275 inches minimum
Fastener Length: 0.750 inches nominal
Head Style: square
Head Height: 0.210 inches minimum and 0.220 inches maximum
Width Between Flats: 0.183 inches minimum and 0.193 inches maximum
Nominal Thread Diameter: 0.112 inches
Thread Quantity Per Inch: 40
Screw Material: steel comp 303
Screw Material Document And Classification: astm a581 assn std single material response or astm a582 assn std single material response
Screw Surface Treatment: passivate
Screw Surface Treatment Document And Classification: qq-p-35 ty 4 fed spec single treatment response
Special Features: threaded hole in head 0.112-40unc-2b; 0.120 in. min depth
Thread Series Designator: unc

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
704AS3439-2	Machine Screw
893439-1	Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-01-274-2897?

The FSCG of the NSN 5305-01-274-2897 is 5305

Does the NSN 5305-01-274-2897 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-274-2897 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 5305-01-274-2897 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-274-2897 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 5305-01-274-2897 was assigned to the Federal Catalog?

It was assigned 38 years ago, on Mon, Mar 7, 1988