5305-01-451-7937

Find complete technical information, availability, and procurement data for: 5305-01-451-7937
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-451-7937

Item Name Code

06657

Assigment Date

01/05/1998 (28 years ago)

A nonmetallic circular item with an aperature, having a solid round cross-section. They are used primarily for sealing. For items with other than round cross section, see packing,preformed. For noncircular items with a round cross-section, see seal,nonmetallic round section and rubber,round section.

flat countersunk head style, 2.562 inches nominal fastener length, 2.562 inches nominal thread length, 3a thread class, right-hand thread direction

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: 2.562 inches nominal
Fastener Length: 2.562 inches nominal
Head Style: flat countersunk
Head Diameter: 0.371 inches minimum and 0.385 inches maximum
Internal Drive Style: cross recess type 1
Nominal Thread Diameter: 0.1900 inches
Thread Quantity Per Inch: 32
Countersink Angle: 99.0 degrees minimum and 101.0 degrees maximum
Screw Material: steel comp 4130 or steel comp 4340 or steel comp 8740
Screw Material Document And Classification: mil-s-6758 mil spec 1st material response or mil-s-5000 mil spec 2nd material response or mil-s-6049 mil spec 3rd material response
Screw Surface Treatment: cadmium
Screw Surface Treatment Document And Classification: qq-p-416, ty 1,cl 2 fed spec single treatment response
Thread Series Designator: unjf
Specification/Standard Data: 80205-nas514 professional/industrial association standard

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
NAS514P1032-41	Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-01-451-7937?

The FSCG of the NSN 5305-01-451-7937 is 5305

Does the NSN 5305-01-451-7937 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-451-7937 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 5305-01-451-7937 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-451-7937 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 5305-01-451-7937 was assigned to the Federal Catalog?

It was assigned 28 years ago, on Mon, Jan 5, 1998