5305-00-558-9953

Find complete technical information, availability, and procurement data for: 5305-00-558-9953
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-558-9953

Item Name Code

06657

Assigment Date

01/01/1963 (63 years ago)

flat chamfer head style, 0.250 inches minimum thread length, right-hand thread direction, 0.276 inches minimum and 0.291 inches maximum fastener length, 2a 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: 2a
Thread Direction: right-hand
Thread Length: 0.250 inches minimum
Fastener Length: 0.276 inches minimum and 0.291 inches maximum
Head Style: flat chamfer
Head Diameter: 0.132 inches minimum and 0.137 inches maximum
Head Height: 0.054 inches minimum and 0.059 inches maximum
Internal Drive Style: slot
Nominal Thread Diameter: 0.086 inches
Thread Quantity Per Inch: 56
Screw Material: steel comp 302 or steel comp 304 or steel comp 303
Screw Material Document And Classification: qq-s-763 fed spec 1st material response or qq-s-763 fed spec 2nd material response or qq-s-764 fed spec 3rd material response
Screw Surface Treatment: passivate
Screw Surface Treatment Document And Classification: kps51-200 fscm 89944 mfr ref single treatment response
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Below is a list of NSNs that have been officially superseded by this NSN: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
5305-00-726-6013	No Name Available	10/18/2021

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
61301050218	Machine Screw
8599245-043	Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-00-558-9953?

The FSCG of the NSN 5305-00-558-9953 is 5305

Does the NSN 5305-00-558-9953 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-558-9953 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 5305-00-558-9953 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-558-9953 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 5305-00-558-9953 was assigned to the Federal Catalog?

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