5305-01-032-8271

Find complete technical information, availability, and procurement data for: 5305-01-032-8271
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-032-8271

Item Name Code

06660

Assigment Date

12/23/1976 (49 years ago)

An externally threaded device whose threaded portion is of one nominal diameter with or without a head and having a cup, cone, or other type of machined point designed to prevent or restrict relative movement of parts and designed to be driven with either a wrench or inserted driver. A locking feature may be incorporated in the design of the head or threads.

0.168 inches minimum and 0.250 inches maximum thread length, right-hand thread direction, 0.218 inches minimum and 0.250 inches maximum fastener length, pan no. 2 head style, 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
Thread Length: 0.168 inches minimum and 0.250 inches maximum
Fastener Length: 0.218 inches minimum and 0.250 inches maximum
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
Washer Quantity: 2
Internal Drive Style: slot
Nominal Thread Diameter: 0.112 inches
Thread Quantity Per Inch: 40
Minimum Tensile Strength: 55000 pounds per square inch
Secondary Washer Relationship To Primary Washer: not identical
Secondary Washer Style: flat
Primary Washer Outside Diameter: 0.209 inches minimum
Secondary Washer Outside Diameter: 0.213 inches minimum and 0.223 inches maximum
Primary Washer Style: split helical ring
Primary Washer Material Thickness: 0.025 inches minimum
Secondary Washer Material Thickness: 0.013 inches minimum and 0.019 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: unc
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
944010-2044	Assembled Washer Screw
NAS720B4-4	Assembled Washer Screw

FAQs

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

What is the FSCG of the NSN 5305-01-032-8271?

The FSCG of the NSN 5305-01-032-8271 is 5305

Does the NSN 5305-01-032-8271 have a Schedule B code assigned?

Yes, the Schedule B code is 7415338550

Does NSN 5305-01-032-8271 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 5305-01-032-8271 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-032-8271 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 5305-01-032-8271 was assigned to the Federal Catalog?

It was assigned 49 years ago, on Thu, Dec 23, 1976