5120-00-678-5439

Find complete technical information, availability, and procurement data for: 5120-00-678-5439
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Federal Supply Group

Hand Tools

Federal Supply Classification

5120 Nonpowered Nonedged Hand Tools

National Stock Number

5120-00-678-5439

Item Name Code

60023

Assigment Date

01/01/1963 (63 years ago)

bell yhu-1d, hu-1b, hu-1a, hu-1 and yh-40 helicopters end item identification, 0.750 inches nominal single end drive surface size, 2.200 inches minimum and 2.215 inches maximum second end wrenching surface size, 1.257 inches minimum and 1.267 inches maximum first end wrenching surface size, 10.000 inches nominal overall length

Product Characteristics

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

Overall Length: 10.000 inches nominal
End Item Identification: bell yhu-1d, hu-1b, hu-1a, hu-1 and yh-40 helicopters
Wrenching Surface Size: 1.257 inches minimum and 1.267 inches maximum first end
Wrenching Surface Size: 2.200 inches minimum and 2.215 inches maximum second end
Drive Surface Size: 0.750 inches nominal single end
Wrenching Surface Shape: hexagon both ends internal
Drive End Shape: square single end internal
Special Features: 1/2 in. thick
Functional Description: used to install/remove no. 204-010-481 nut, 204-010-150 support and 52te-242 nut
Material: steel overall

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5120-00-979-8942	No Name Available	01/01/1962

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
5120HU1-001	Torque Wrench Adapter
5120HU1001	Torque Wrench Adapter
T101358	Torque Wrench Adapter

FAQs

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

What is the FSCG of the NSN 5120-00-678-5439?

The FSCG of the NSN 5120-00-678-5439 is 5120

Does the NSN 5120-00-678-5439 have a Schedule B code assigned?

Yes, the Schedule B code is 8204110060

Does NSN 5120-00-678-5439 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 5120-00-678-5439 contain precious materials?

Item does not contain precious metal.

Does NSN 5120-00-678-5439 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 5120-00-678-5439 was assigned to the Federal Catalog?

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