A33B12

View detailed technical data, stock status, and sourcing information for: A33B12
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-452-3613

Item Name Code

06657

Assigment Date

05/08/1970 (56 years ago)

0.310 inches minimum and 0.330 inches maximum thread length, flat countersunk head style, right-hand thread direction, 0.242 inches minimum and 0.252 inches maximum head diameter, 0.375 inches minimum and 0.395 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 Direction: right-hand
Thread Length: 0.310 inches minimum and 0.330 inches maximum
Fastener Length: 0.375 inches minimum and 0.395 inches maximum
Head Style: flat countersunk
Head Diameter: 0.242 inches minimum and 0.252 inches maximum
Internal Drive Style: slot
Nominal Thread Diameter: 3.6 millimeters
Thread Pitch In Millimeters: 0.66
Countersink Angle: 88.0 degrees minimum and 92.0 degrees maximum
Screw Material: steel
Screw Surface Treatment: cadmium
Screw Surface Treatment Document And Classification: dtd904,fscm k7766 national spec single treatment response
Thread Series Designator: ba

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
99-9435716	Machine Screw
A33B12	Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-00-452-3613?

The FSCG of the NSN 5305-00-452-3613 is 5305

Does the NSN 5305-00-452-3613 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-452-3613 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 5305-00-452-3613 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-452-3613 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 5305-00-452-3613 was assigned to the Federal Catalog?

It was assigned 56 years ago, on Fri, May 8, 1970