281-3868

View detailed technical data, stock status, and sourcing information for: 281-3868
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-184-8300

Item Name Code

06657

Assigment Date

12/19/1971 (54 years ago)

2a thread class, 0.532 inches minimum and 0.625 inches maximum thread length, right-hand thread direction, pan head style, 0.592 inches minimum and 0.625 inches maximum fastener 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: 0.532 inches minimum and 0.625 inches maximum
Fastener Length: 0.592 inches minimum and 0.625 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: 57000 pounds per square inch
Screw Material: copper alloy
Screw Material Document And Classification: qq-b-626 fed spec single material response or qq-w-321 fed spec single material response
Screw Surface Treatment: cadmium and chromate
Screw Surface Treatment Document And Classification: qq-p-416 ty 2 cl 3 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
281-3868	Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-00-184-8300?

The FSCG of the NSN 5305-00-184-8300 is 5305

Does the NSN 5305-00-184-8300 have a Schedule B code assigned?

Yes, the Schedule B code is 7415338550

Does NSN 5305-00-184-8300 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 5305-00-184-8300 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-00-184-8300 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 5305-00-184-8300 was assigned to the Federal Catalog?

It was assigned 54 years ago, on Sun, Dec 19, 1971