5306-00-638-1950

Find complete technical information, availability, and procurement data for: 5306-00-638-1950
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-00-638-1950

Item Name Code

06666

Assigment Date

01/01/1963 (63 years ago)

2a thread class, 1.125 inches nominal fastener length, flat chamfer head style, right-hand thread direction, 0.875 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: 2a
Thread Direction: right-hand
Thread Length: 0.875 inches minimum
Fastener Length: 1.125 inches nominal
Head Style: flat chamfer
Head Diameter: 0.375 inches nominal
Head Height: 0.250 inches nominal
Hole Diameter: 0.055 inches nominal
Internal Drive Style: hexagon
Nominal Thread Diameter: 0.250 inches
Width Across Flats: 0.188 inches nominal
Hole Quantity: 4
Hole Type: drilled
Thread Quantity Per Inch: 28
Hardness Rating: 38.0 rockwell c minimum and 42.0 rockwell c maximum overall
Hole Configuration Style: round longitudinal hole
Material: steel overall
Surface Treatment: cadmium and chromate overall
Surface Treatment Document And Classification: qq-p-416 type 2 class 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
844013	Internal Wrenching Bolt

FAQs

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

What is the FSCG of the NSN 5306-00-638-1950?

The FSCG of the NSN 5306-00-638-1950 is 5306

Does the NSN 5306-00-638-1950 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5306-00-638-1950 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 5306-00-638-1950 contain precious materials?

Precious metal content is unknown

Does NSN 5306-00-638-1950 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 5306-00-638-1950 was assigned to the Federal Catalog?

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