5305-00-273-5286

Find complete technical information, availability, and procurement data for: 5305-00-273-5286
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-273-5286

Item Name Code

16282

Assigment Date

01/01/1963 (63 years ago)

right-hand thread direction, flat chamfer head style, 3a thread class, 1.125 inches nominal fastener length, 0.828 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: 0.828 inches minimum
Fastener Length: 1.125 inches nominal
Head Style: flat chamfer
Head Diameter: 0.265 inches minimum and 0.270 inches maximum
Head Height: 0.160 inches minimum and 0.164 inches maximum
Internal Drive Style: hexagon
Nominal Thread Diameter: 0.164 inches
Width Across Flats: 0.125 inches minimum and 0.127 inches maximum
Thread Quantity Per Inch: 32
Minimum Tensile Strength: 140000 pounds per square inch
Hardness Rating: 36.0 rockwell c minimum and 43.0 rockwell c maximum overall
Material: steel comp 4135 or steel comp 4137 or steel comp 8635 or steel comp 8640 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 and 2 style

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5305-00-232-9102	No Name Available	03/24/1998

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
12Z51PC686	Socket Head Cap Screw
166296PC9	Socket Head Cap Screw
43S4365-280	Socket Head Cap Screw
646062PC10	Socket Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-00-273-5286?

The FSCG of the NSN 5305-00-273-5286 is 5305

Does the NSN 5305-00-273-5286 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-273-5286 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 5305-00-273-5286 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-273-5286 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 5305-00-273-5286 was assigned to the Federal Catalog?

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