5305-00-083-6645

Find complete technical information, availability, and procurement data for: 5305-00-083-6645
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-083-6645

Item Name Code

06660

Assigment Date

12/24/1967 (58 years ago)

A screw, (as modified) to which has been assembled one or more nonremovable washer(s).

pan head style, 0.468 inches minimum and 0.500 inches maximum fastener length, 2a thread class, 0.348 inches minimum and 0.360 inches maximum thread length, right-hand thread direction

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: 0.348 inches minimum and 0.360 inches maximum
Fastener Length: 0.468 inches minimum and 0.500 inches maximum
Head Style: pan
Head Diameter: 0.357 inches minimum and 0.373 inches maximum
Head Height: 0.122 inches minimum and 0.132 inches maximum
Washer Quantity: 2
Internal Drive Style: cross recess type 1
Nominal Thread Diameter: 0.190 inches
Thread Quantity Per Inch: 32
Secondary Washer Relationship To Primary Washer: not identical
Secondary Washer Style: flat
Primary Washer Outside Diameter: 0.337 inches nominal
Secondary Washer Outside Diameter: 0.338 inches minimum and 0.348 inches maximum
Primary Washer Style: split helical ring
Primary Washer Material Thickness: 0.047 inches minimum
Secondary Washer Material Thickness: 0.029 inches minimum and 0.035 inches maximum
Material: steel comp 301 or steel comp 302 or steel comp 304 or steel comp 316 or steel comp 347 or steel comp 348 primary washer
Material: steel comp 301 or steel comp 302 or steel comp 304 or steel comp 316 or steel comp 347 or steel comp 348 secondary washer
Material: steel comp 303 or steel comp 303se fastener
Material Document And Classification: mil-s-7720 mil spec 1st material response or astm a582 assn std 2nd material response fastener
Surface Treatment: passivate fastener
Surface Treatment: passivate primary washer
Surface Treatment: passivate secondary washer
Thread Series Designator: unf
Specification/Standard Data: 80205-nas1301 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Below is a list of NSNs that have been officially superseded by this NSN: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
5305-01-306-3496	No Name Available	12/01/1997

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
10124970	Assembled Washer Screw
NAS1301C10-8	Assembled Washer Screw

FAQs

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

What is the FSCG of the NSN 5305-00-083-6645?

The FSCG of the NSN 5305-00-083-6645 is 5305

Does the NSN 5305-00-083-6645 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-083-6645 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 5305-00-083-6645 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-083-6645 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 5305-00-083-6645 was assigned to the Federal Catalog?

It was assigned 58 years ago, on Sun, Dec 24, 1967