5305-00-655-9655

Find complete technical information, availability, and procurement data for: 5305-00-655-9655
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-655-9655

Item Name Code

18257

Assigment Date

01/01/1963 (63 years ago)

2a thread class, hexagon head style, 4.250 inches nominal fastener length, right-hand thread direction, 1.500 inches minimum thread 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: 1.500 inches minimum
Fastener Length: 4.250 inches nominal
Head Style: hexagon
Head Height: 0.378 inches minimum and 0.403 inches maximum
Width Between Flats: 0.922 inches minimum and 0.937 inches maximum
Nominal Thread Diameter: 0.625 inches
Thread Quantity Per Inch: 18
Minimum Tensile Strength: 120000 pounds per square inch
Hardness Rating: 25.0 rockwell c minimum and 34.0 rockwell c maximum overall
Material: steel overall
Material Document And Classification: sae gr 5 assn std single material response overall
Surface Treatment: cadmium and chromate overall
Surface Treatment Document And Classification: qq-p-416,ty 2,cl 3 fed spec all treatment responses overall
Thread Series Designator: unf

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5305-00-206-0036	No Name Available	08/01/1980
5305-00-527-3322	No Name Available	09/01/1979
5305-00-579-4011	No Name Available	09/21/1966

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
MS90726-173	Hexagon Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-00-655-9655?

The FSCG of the NSN 5305-00-655-9655 is 5305

Does the NSN 5305-00-655-9655 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-655-9655 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 5305-00-655-9655 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-655-9655 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 5305-00-655-9655 was assigned to the Federal Catalog?

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