166372PC14

View detailed technical data, stock status, and sourcing information for: 166372PC14
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-271-5086

Item Name Code

16282

Assigment Date

01/01/1963 (63 years ago)

1.750 inches maximum thread length, 3a thread class, 1.750 inches nominal fastener length, right-hand thread direction, flat chamfer head style

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: 1.750 inches maximum
Fastener Length: 1.750 inches nominal
Head Style: flat chamfer
Head Diameter: 0.987 inches minimum and 1.000 inches maximum
Head Height: 0.741 inches minimum and 0.750 inches maximum
Internal Drive Style: hexagon
Nominal Thread Diameter: 0.750 inches
Width Across Flats: 0.562 inches minimum and 0.565 inches maximum
Thread Quantity Per Inch: 10
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 4140 or steel comp 4145 or steel comp 8640 or steel comp 8740 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:

Part Number	Name
12Z51PC265	Socket Head Cap Screw
166372PC14	Socket Head Cap Screw
194689PC17	Socket Head Cap Screw
229123PC3	Socket Head Cap Screw
43-S-4372-50	Socket Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-00-271-5086?

The FSCG of the NSN 5305-00-271-5086 is 5305

Does the NSN 5305-00-271-5086 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-271-5086 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 5305-00-271-5086 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-271-5086 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 5305-00-271-5086 was assigned to the Federal Catalog?

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