166345PC14

View detailed technical data, stock status, and sourcing information for: 166345PC14
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-273-4951

Item Name Code

16282

Assigment Date

01/01/1963 (63 years ago)

fillister head style, 1.375 inches minimum thread length, 1.750 inches nominal fastener length, right-hand thread direction, 3a 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: 3a
Thread Direction: right-hand
Thread Length: 1.375 inches minimum
Fastener Length: 1.750 inches nominal
Head Style: fillister
Head Diameter: 0.615 inches minimum and 0.625 inches maximum
Head Height: 0.430 inches minimum and 0.438 inches maximum
Internal Drive Style: hexagon
Nominal Thread Diameter: 0.438 inches
Width Across Flats: 0.312 inches minimum and 0.315 inches maximum
Thread Quantity Per Inch: 14
Hardness Rating: 36.0 rockwell c minimum and 43.0 rockwell c maximum overall
Minimum Yield Strength: 140000 pounds per square inch
Material: steel comp 4135 or steel comp 4137 or steel comp 8635 or steel comp 8640 overall
Material Document And Classification: qq-s-624 fed spec all material responses overall
Surface Treatment: zinc overall
Thread Series Designator: unc
Nondefinitive Spec/Std Data: 1 type and 11 style

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:

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12Z51PC387	Socket Head Cap Screw
166345PC14	Socket Head Cap Screw
196825PC9	Socket Head Cap Screw
221513PC2	Socket Head Cap Screw
273602PC12	Socket Head Cap Screw
43-S-4369-70	Socket Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-00-273-4951?

The FSCG of the NSN 5305-00-273-4951 is 5305

Does the NSN 5305-00-273-4951 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-273-4951 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 5305-00-273-4951 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-273-4951 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 5305-00-273-4951 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963