5305-00-656-0255

Find complete technical information, availability, and procurement data for: 5305-00-656-0255
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-656-0255

Item Name Code

01852

Assigment Date

01/01/1963 (63 years ago)

flat chamfer head style, 0.250 inches minimum thread length, right-hand thread direction, 0.313 inches nominal fastener length, 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: 0.250 inches minimum
Fastener Length: 0.313 inches nominal
Head Style: flat chamfer
Head Diameter: 0.248 inches minimum and 0.249 inches maximum
Head Height: 0.307 inches minimum and 0.317 inches maximum
First Diameter From Head: 0.132 inches minimum and 0.135 inches maximum
Distance From Largest Bearing Surface Of Head To End Of First Diameter: 0.047 inches minimum and 0.078 inches maximum
Internal Drive Style: slot
Nominal Thread Diameter: 0.190 inches
Thread Quantity Per Inch: 24
Externally Relieved Body Diameter Quantity: 1
Material: steel comp 1117 overall
Material Document And Classification: qq-s-637 fed spec single material response overall
Surface Treatment: cadmium overall
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
9053636	Externally Relieved Body Screw

FAQs

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

What is the FSCG of the NSN 5305-00-656-0255?

The FSCG of the NSN 5305-00-656-0255 is 5305

Does the NSN 5305-00-656-0255 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-656-0255 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 5305-00-656-0255 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-656-0255 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 5305-00-656-0255 was assigned to the Federal Catalog?

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