12705P-4C-8B

View detailed technical data, stock status, and sourcing information for: 12705P-4C-8B
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-038-2281

Item Name Code

22846

Assigment Date

04/01/1977 (49 years ago)

0.852 inches minimum and 0.878 inches maximum fastener length, 3a thread class, flat chamfer head style, 0.293 inches minimum thread length, right-hand thread direction

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Thread Class: 3a
Thread Direction: right-hand
Thread Length: 0.293 inches minimum
Fastener Length: 0.852 inches minimum and 0.878 inches maximum
Head Style: flat chamfer
Head Diameter: 0.357 inches minimum and 0.375 inches maximum
Head Height: 0.182 inches minimum and 0.188 inches maximum
Shoulder Diameter: 0.247 inches minimum and 0.248 inches maximum first shoulder
Shoulder Length: 0.497 inches minimum and 0.503 inches maximum first shoulder
Internal Drive Style: hexagon
Nominal Thread Diameter: 0.190 inches
Width Across Flats: 0.125 inches maximum
Thread Quantity Per Inch: 24
Minimum Tensile Strength: 160000 pounds per square inch
Hardness Rating: 36.0 rockwell c minimum and 43.0 rockwell c maximum overall
Shoulder Shape: round first shoulder
Special Features: pellet type locking element in threads
Material: steel overall
Surface Treatment: oxide overall
Surface Treatment Document And Classification: ams2485 assn std single treatment response or mil-c-13924 mil spec single treatment response overall
Thread Series Designator: unrc

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
12705N-4C-8B	Shoulder Screw
12705P-4C-8B	Shoulder Screw

FAQs

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

What is the FSCG of the NSN 5305-01-038-2281?

The FSCG of the NSN 5305-01-038-2281 is 5305

Does the NSN 5305-01-038-2281 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-038-2281 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 5305-01-038-2281 contain precious materials?

Precious metal content is unknown

Does NSN 5305-01-038-2281 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 5305-01-038-2281 was assigned to the Federal Catalog?

It was assigned 49 years ago, on Fri, Apr 1, 1977