73997

View detailed technical data, stock status, and sourcing information for: 73997
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-01-728-5388

Item Name Code

06666

Assigment Date

04/10/2025 (1 year ago)

An item designed to transfer rotary motion from a rotary, turbine, aircraft gas turbine engine to a rotor, compressor, aircraft gas turbine engine and/or a rotor, fan, aircraft gas turbine engine. It may include the hub, turbine, aircraft gas turbine engine. It may include provisions for mounting bearings and/or seals.

0.75 inches nominal thread diameter, 3.0 inches nominal fastener length, flat countersunk head style, hexagon internal drive style, right-hand thread direction

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Thread Direction: right-hand
Fastener Length: 3.0 inches nominal
Head Style: flat countersunk
Internal Drive Style: hexagon
Nominal Thread Diameter: 0.75 inches
Width Across Flats: 0.5 inches nominal
Thread Quantity Per Inch: 10
Part Name Assigned By Controlling Agency: flat head socket cap screw
Material: steel corrosion resisting 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
73997	Internal Wrenching Bolt

FAQs

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

What is the FSCG of the NSN 5306-01-728-5388?

The FSCG of the NSN 5306-01-728-5388 is 5306

Does the NSN 5306-01-728-5388 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5306-01-728-5388 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 5306-01-728-5388 contain precious materials?

Item does not contain precious metal.

Does NSN 5306-01-728-5388 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 5306-01-728-5388 was assigned to the Federal Catalog?

It was assigned 1 year ago, on Thu, Apr 10, 2025