5305-00-638-1283

Find complete technical information, availability, and procurement data for: 5305-00-638-1283
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-638-1283

Item Name Code

16282

Assigment Date

01/01/1963 (63 years ago)

1.210 inches minimum and 1.250 inches maximum thread length, right-hand thread direction, 3a thread class, flat chamfer head style, 1.127 inches minimum and 1.250 inches maximum fastener 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: 1.210 inches minimum and 1.250 inches maximum
Fastener Length: 1.127 inches minimum and 1.250 inches maximum
Head Style: flat chamfer
Head Diameter: 0.457 inches minimum and 0.469 inches maximum
Head Height: 0.306 inches minimum and 0.312 inches maximum
Hole Diameter: 0.040 inches minimum and 0.050 inches maximum
Internal Drive Style: hexagon
Nominal Thread Diameter: 0.312 inches
Width Across Flats: 0.250 inches minimum and 0.253 inches maximum
Hole Quantity: 3
Hole Type: drilled
Thread Quantity Per Inch: 24
Minimum Tensile Strength: 170000 pounds per square inch
Hardness Rating: 38.0 rockwell c minimum and 45.0 rockwell c maximum overall
Hole Configuration Style: round
Material: steel overall
Surface Treatment: cadmium and chromate overall
Surface Treatment Document And Classification: qq-p-416 ty 2 cl 3 fed spec all treatment responses overall
Thread Series Designator: unf

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
12Z1196-208	Socket Head Cap Screw
650270PC6	Socket Head Cap Screw
MS24678-35	Socket Head Cap Screw
MS24678-35C	Socket Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-00-638-1283?

The FSCG of the NSN 5305-00-638-1283 is 5305

Does the NSN 5305-00-638-1283 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-638-1283 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 5305-00-638-1283 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-638-1283 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 5305-00-638-1283 was assigned to the Federal Catalog?

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