5305-00-638-9556

Find complete technical information, availability, and procurement data for: 5305-00-638-9556
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-638-9556

Item Name Code

06657

Assigment Date

01/01/1963 (63 years ago)

2a thread class, fillister head style, right-hand thread direction, 0.594 inches minimum and 0.625 inches maximum fastener length, 0.594 inches minimum and 0.625 inches maximum 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: 0.594 inches minimum and 0.625 inches maximum
Fastener Length: 0.594 inches minimum and 0.625 inches maximum
Head Style: fillister
Head Diameter: 0.389 inches minimum and 0.414 inches maximum
Head Height: 0.161 inches minimum and 0.170 inches maximum
Hole Diameter: 0.062 inches nominal
Internal Drive Style: slot
Nominal Thread Diameter: 0.250 inches
Hole Quantity: 1
Thread Quantity Per Inch: 20
Minimum Tensile Strength: 60000 pounds per square inch
Screw Material: steel comp 1010
Screw Material Document And Classification: qq-s-633 fed spec single material response
Screw Surface Treatment: cadmium
Screw Surface Treatment Document And Classification: qq-p-416,ty 1,cl 3 fed spec single treatment response
Head Hole Configuration Style: round
Thread Series Designator: unc
Nondefinitive Spec/Std Data: 1 type and 5s style

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5305-00-144-3899	No Name Available	01/01/1963
5305-00-276-1699	No Name Available	01/01/1961
5305-00-614-3472	No Name Available	01/01/1963

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
360184	Machine Screw
AN500A416-10	Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-00-638-9556?

The FSCG of the NSN 5305-00-638-9556 is 5305

Does the NSN 5305-00-638-9556 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-638-9556 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 5305-00-638-9556 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-638-9556 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 5305-00-638-9556 was assigned to the Federal Catalog?

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