5305-01-330-3271

Find complete technical information, availability, and procurement data for: 5305-01-330-3271
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-330-3271

Item Name Code

06657

Assigment Date

12/01/1990 (35 years ago)

An insulating panel upon which completely processed electrical conductor paths are deposited, etched, or printed in various patterns to provide or complete a circuit between two or more points. It may provide contacts for plug-in connecting facilities. It may be designed for panel or chassis mounting, or for insertion into a connector, receptacle, electrical. For items containing printed electronic components, see printed circuit board. For items containing separately manufactured electronic components, see circuit card assembly. For items consisting only of electrical conductor paths and two or more connectors, see backplane assembly.

0.323 inches minimum and 0.353 inches maximum fastener length, pan head style, 2a thread class, right-hand thread direction, 0.276 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: 0.276 inches nominal
Fastener Length: 0.323 inches minimum and 0.353 inches maximum
Head Style: pan
Head Diameter: 0.256 inches minimum and 0.270 inches maximum
Head Height: 0.087 inches minimum and 0.097 inches maximum
Internal Drive Style: cross recess type 1
Nominal Thread Diameter: 0.138 inches
Thread Quantity Per Inch: 32
Minimum Tensile Strength: 160000 pounds per square inch
Hardness Rating: 36.0 rockwell c minimum and 40.0 rockwell c maximum
Screw Material: steel comp 4140 or steel comp 4340 or steel comp 8740
Screw Material Document And Classification: mil-s-5626 mil spec 1st material response or mil-s-5000 mil spec 2nd material response or mil-s-6049 mil spec 3rd material response
Screw Surface Treatment: cadmium and chromate
Screw Surface Treatment Document And Classification: qq-p-416,class 3,type 2 fed spec single treatment response
Thread Series Designator: unc

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
LS5959-06-1	Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-01-330-3271?

The FSCG of the NSN 5305-01-330-3271 is 5305

Does the NSN 5305-01-330-3271 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-330-3271 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 5305-01-330-3271 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-330-3271 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 5305-01-330-3271 was assigned to the Federal Catalog?

It was assigned 35 years ago, on Sat, Dec 1, 1990