5305-00-271-4667

Find complete technical information, availability, and procurement data for: 5305-00-271-4667
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-271-4667

Item Name Code

16282

Assigment Date

01/01/1963 (63 years ago)

right-hand thread direction, flat chamfer head style, 3a thread class, 0.500 inches nominal fastener length, 0.433 inches minimum thread 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: 3a
Thread Direction: right-hand
Thread Length: 0.433 inches minimum
Fastener Length: 0.500 inches nominal
Head Style: flat chamfer
Head Diameter: 0.337 inches minimum and 0.343 inches maximum
Head Height: 0.211 inches minimum and 0.216 inches maximum
Internal Drive Style: hexagon
Nominal Thread Diameter: 0.216 inches
Width Across Flats: 0.156 inches minimum and 0.158 inches maximum
Thread Quantity Per Inch: 24
Minimum Tensile Strength: 160000 pounds per square inch
Hardness Rating: 36.0 rockwell c minimum and 45.0 rockwell c maximum overall
Minimum Yield Strength: 130000 pounds per square inch
Material: steel overall
Material Document And Classification: 66 fed std single material response overall
Surface Treatment: zinc overall
Surface Treatment Document And Classification: qq-z-325,ty 2,cl 3 fed spec single treatment response overall
Thread Series Designator: unc
Nondefinitive Spec/Std Data: 1 type
Departure From Cited Designator: as modified by thread size and series type designator

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
166297PC4	Socket Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-00-271-4667?

The FSCG of the NSN 5305-00-271-4667 is 5305

Does the NSN 5305-00-271-4667 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-271-4667 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 5305-00-271-4667 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-271-4667 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 5305-00-271-4667 was assigned to the Federal Catalog?

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