5305-01-666-5501

Find complete technical information, availability, and procurement data for: 5305-01-666-5501
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-666-5501

Item Name Code

06660

Assigment Date

09/12/2017 (8 years ago)

0.205 inches minimum and 0.219 inches maximum head diameter, pan head style, 0.593 inches minimum and 0.625 inches maximum fastener length, right-hand thread direction, 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
Fastener Length: 0.593 inches minimum and 0.625 inches maximum
Head Style: pan
Head Diameter: 0.205 inches minimum and 0.219 inches maximum
Head Height: 0.070 inches minimum and 0.080 inches maximum
Washer Quantity: 2
Internal Drive Style: cross recess type 1
Nominal Thread Diameter: 0.112 inches
Thread Quantity Per Inch: 40
Secondary Washer Relationship To Primary Washer: not identical
Secondary Washer Style: split helical ring
Primary Washer Outside Diameter: 0.213 inches minimum and 0.223 inches maximum
Secondary Washer Outside Diameter: 0.212 inches maximum
Primary Washer Style: flat
Primary Washer Material Thickness: 0.013 inches minimum and 0.019 inches maximum
Secondary Washer Material Thickness: 0.025 inches nominal
Material: steel comp 302 or steel comp 304 fastener
Material: steel comp 302 or steel comp 304 primary washer
Material Document And Classification: ams 5516 assn std 1st material response or ams 5513 assn std 2nd material response primary washer
Material Document And Classification: qq-s-763 fed spec all material responses fastener
Surface Treatment: passivate fastener
Surface Treatment: passivate primary washer
Surface Treatment Document And Classification: ams 2700, method 1, class 4 assn std single treatment response fastener
Surface Treatment Document And Classification: ams 2700, method 1, class 4 assn std single treatment response primary washer
Thread Series Designator: unc
Specification/Standard Data: 80205-nas1301 professional/industrial association standard

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
NAS1301C4-10	Assembled Washer Screw

FAQs

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

What is the FSCG of the NSN 5305-01-666-5501?

The FSCG of the NSN 5305-01-666-5501 is 5305

Does the NSN 5305-01-666-5501 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-666-5501 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 5305-01-666-5501 contain precious materials?

Precious metal content is unknown

Does NSN 5305-01-666-5501 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 5305-01-666-5501 was assigned to the Federal Catalog?

It was assigned 8 years ago, on Tue, Sep 12, 2017