5305-00-753-6988

Find complete technical information, availability, and procurement data for: 5305-00-753-6988
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-753-6988

Item Name Code

18257

Assigment Date

01/01/1963 (63 years ago)

right-hand thread direction, 0.750 inches minimum and 0.938 inches maximum thread length, hexagon head style, 2a thread class, 3.406 inches minimum and 3.500 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: 0.750 inches minimum and 0.938 inches maximum
Fastener Length: 3.406 inches minimum and 3.500 inches maximum
Head Style: hexagon
Head Height: 0.150 inches minimum and 0.163 inches maximum
Width Between Flats: 0.428 inches minimum and 0.438 inches maximum
Nominal Thread Diameter: 0.250 inches
Features Provided: finished head
Thread Quantity Per Inch: 20
Minimum Tensile Strength: 69000 pounds per square inch
Hardness Rating: 80.0 rockwell c minimum and 100.0 rockwell b maximum overall
Material: steel overall
Material Document And Classification: ams j429,grade 2 assn std single material response overall
Surface Treatment: cadmium and chromate or zinc and chromate overall
Surface Treatment Document And Classification: qq-p-416,type 2,class 3 fed spec 1st treatment response or qq-z-325,type 2,class 3 fed spec 2nd treatment response overall
Thread Series Designator: unc
Specification/Standard Data: 24617-173206 manufacturers standard and 96906-ms35291/canceled/ government standard

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5305-00-017-3206	No Name Available	01/01/1963

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
MS35291-20	Hexagon Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-00-753-6988?

The FSCG of the NSN 5305-00-753-6988 is 5305

Does the NSN 5305-00-753-6988 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-753-6988 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 5305-00-753-6988 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-753-6988 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 5305-00-753-6988 was assigned to the Federal Catalog?

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