5305-01-038-0340

Find complete technical information, availability, and procurement data for: 5305-01-038-0340
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-038-0340

Item Name Code

06660

Assigment Date

03/27/1977 (49 years ago)

right-hand thread direction, pan no. 2 head style, 2a thread class, 0.406 inches minimum and 0.438 inches maximum fastener length, 0.344 inches minimum and 0.438 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: 0.344 inches minimum and 0.438 inches maximum
Fastener Length: 0.406 inches minimum and 0.438 inches maximum
Head Style: pan no. 2
Head Diameter: 0.357 inches minimum and 0.373 inches maximum
Head Height: 0.099 inches minimum and 0.110 inches maximum
Washer Quantity: 2
Internal Drive Style: slot
Nominal Thread Diameter: 0.190 inches
Thread Quantity Per Inch: 32
Minimum Tensile Strength: 55000 pounds per square inch
Secondary Washer Relationship To Primary Washer: not identical
Secondary Washer Style: flat
Primary Washer Outside Diameter: 0.334 inches maximum
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: copper alloy 510 secondary washer
Material: copper alloy 260 or copper alloy 268 primary washer
Material: copper alloy fastener
Material Document And Classification: qq-b-750 fed spec single material response secondary washer
Material Document And Classification: qq-b-613 fed spec all material responses primary washer
Material Document And Classification: qq-b-613 fed spec single material response or qq-b-626 fed spec single material response fastener
Surface Treatment: tin overall
Thread Series Designator: unf
Specification/Standard Data: 80205-nas 720 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
NAS720B10-7	Assembled Washer Screw

FAQs

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

What is the FSCG of the NSN 5305-01-038-0340?

The FSCG of the NSN 5305-01-038-0340 is 5305

Does the NSN 5305-01-038-0340 have a Schedule B code assigned?

Yes, the Schedule B code is 7415338550

Does NSN 5305-01-038-0340 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 5305-01-038-0340 contain precious materials?

Precious metal content is unknown

Does NSN 5305-01-038-0340 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 5305-01-038-0340 was assigned to the Federal Catalog?

It was assigned 49 years ago, on Sun, Mar 27, 1977