BLT72

View detailed technical data, stock status, and sourcing information for: BLT72
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-00-845-9958

Item Name Code

04905

Assigment Date

09/27/1967 (58 years ago)

1.750 inches nominal fastener length, hexagon head style, 2a thread class, right-hand thread direction, 0.750 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: 0.750 inches minimum
Fastener Length: 1.750 inches nominal
Head Style: hexagon
Head Height: 0.226 inches minimum and 0.243 inches maximum
Width Between Flats: 0.553 inches minimum and 0.565 inches maximum
Shoulder Diameter: 0.3650 inches minimum and 0.3750 inches maximum first shoulder
Shoulder Length: 0.677 inches minimum and 0.687 inches maximum first shoulder
Nominal Thread Diameter: 0.312 inches
Thread Quantity Per Inch: 18
Minimum Tensile Strength: 120000 pounds per square inch
Hardness Rating: 23.0 rockwell c minimum and 32.0 rockwell c maximum overall
Shoulder Shape: round first shoulder
Material: steel overall
Material Document And Classification: sae j429 gr 5 assn std single material response overall
Surface Treatment: cadmium and chromate overall
Thread Series Designator: unc

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
BLT72	Shoulder Bolt

FAQs

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

What is the FSCG of the NSN 5306-00-845-9958?

The FSCG of the NSN 5306-00-845-9958 is 5306

Does the NSN 5306-00-845-9958 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5306-00-845-9958 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 5306-00-845-9958 contain precious materials?

Item does not contain precious metal.

Does NSN 5306-00-845-9958 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 5306-00-845-9958 was assigned to the Federal Catalog?

It was assigned 58 years ago, on Wed, Sep 27, 1967