5305-00-656-0189

Find complete technical information, availability, and procurement data for: 5305-00-656-0189
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-656-0189

Item Name Code

16282

Assigment Date

01/01/1963 (63 years ago)

right-hand thread direction, 0.625 inches nominal thread length, 0.625 inches nominal fastener length, flat chamfer head style, 3a thread class

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: 0.625 inches nominal
Fastener Length: 0.625 inches nominal
Head Style: flat chamfer
Head Diameter: 0.306 inches minimum and 0.312 inches maximum
Head Height: 0.185 inches minimum and 0.190 inches maximum
Internal Drive Style: hexagon
Nominal Thread Diameter: 0.190 inches
Width Across Flats: 0.156 inches nominal
Thread Quantity Per Inch: 24
Hardness Rating: 36.0 rockwell c minimum and 40.0 rockwell c maximum overall
Material: steel comp 4037 overall
Material Document And Classification: qq-s-624,amend. 2 fed spec single material response overall
Surface Treatment: cadmium overall
Thread Series Designator: unc

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5305-00-638-6159	No Name Available	09/01/1967

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
9054021	Socket Head Cap Screw
MASH0-1010SCP	Socket Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-00-656-0189?

The FSCG of the NSN 5305-00-656-0189 is 5305

Does the NSN 5305-00-656-0189 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-656-0189 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 5305-00-656-0189 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-656-0189 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 5305-00-656-0189 was assigned to the Federal Catalog?

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