5305-00-638-3321

Find complete technical information, availability, and procurement data for: 5305-00-638-3321
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-638-3321

Item Name Code

06657

Assigment Date

01/01/1963 (63 years ago)

right-hand thread direction, pan no. 2 head style, 0.188 inches nominal fastener length, 2a thread class, 0.188 inches nominal 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: 0.188 inches nominal
Fastener Length: 0.188 inches nominal
Head Style: pan no. 2
Head Diameter: 0.205 inches minimum and 0.219 inches maximum
Head Height: 0.058 inches minimum and 0.068 inches maximum
Internal Drive Style: slot
Nominal Thread Diameter: 0.112 inches
Thread Quantity Per Inch: 40
Screw Material: steel
Screw Material Document And Classification: qq-s-633-canc fed spec single material response or qq-w-409 mil spec single material response
Screw Surface Treatment: cadmium
Thread Series Designator: unc
Nondefinitive Spec/Std Data: 1 type and 9s style

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5305-00-614-0252	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
5952840	Machine Screw
990384-803	Machine Screw
MS35223-12	Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-00-638-3321?

The FSCG of the NSN 5305-00-638-3321 is 5305

Does the NSN 5305-00-638-3321 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-638-3321 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 5305-00-638-3321 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-638-3321 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 5305-00-638-3321 was assigned to the Federal Catalog?

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