5305-00-558-8943

Find complete technical information, availability, and procurement data for: 5305-00-558-8943
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-558-8943

Item Name Code

06657

Assigment Date

01/01/1963 (63 years ago)

0.470 inches minimum and 0.500 inches maximum fastener length, right-hand thread direction, 0.438 inches minimum thread length, 3a thread class, pan no. 2 head style

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: 0.438 inches minimum
Fastener Length: 0.470 inches minimum and 0.500 inches maximum
Head Style: pan no. 2
Head Diameter: 0.256 inches minimum and 0.270 inches maximum
Head Height: 0.087 inches minimum and 0.097 inches maximum
Internal Drive Style: cross recess type 1
Nominal Thread Diameter: 0.138 inches
Thread Quantity Per Inch: 32
Minimum Tensile Strength: 160000 pounds per square inch
Screw Material: steel comp 4037 or steel comp 8630
Screw Material Document And Classification: ams 6300 assn std 1st material response or mil-s-6050 mil spec 2nd material response
Screw Surface Treatment: cadmium
Screw Surface Treatment Document And Classification: qq-p-416,ty 1,cl 3 fed spec single treatment response
Thread Series Designator: unc
Specification/Standard Data: 80205-nas601 professional/industrial association standard

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5305-00-637-6622	No Name Available	02/05/1969
5305-00-718-9487	No Name Available	02/18/1966

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
5305005588943	Machine Screw
CVC842-6R8	Machine Screw
NAS601-8	Machine Screw
Z00.N5120304108	Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-00-558-8943?

The FSCG of the NSN 5305-00-558-8943 is 5305

Does the NSN 5305-00-558-8943 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-558-8943 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 5305-00-558-8943 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-558-8943 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 5305-00-558-8943 was assigned to the Federal Catalog?

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