J3719M

View detailed technical data, stock status, and sourcing information for: J3719M
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Federal Supply Group

Hand Tools

Federal Supply Classification

5120 Nonpowered Nonedged Hand Tools

National Stock Number

5120-01-025-0205

Item Name Code

17184

Assigment Date

07/24/1976 (50 years ago)

A nonadjustable wrench having an open end box wrenching feature on one or both ends for installing or removing packing nuts, flare nuts, conduit fittings, and the like. It may have a ratchet mechanism. Excludes:wrench, box and wrench, open end.

19.0 millimeters nominal first end wrenching surface size, 14.7 millimeters maximum small end head thickness, 21.0 millimeters nominal second end wrenching surface size, 15.2 millimeters maximum large end head thickness, 7.244 inches minimum 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: 7.244 inches minimum
Large End Head Thickness: 15.2 millimeters maximum
Small End Head Thickness: 14.7 millimeters maximum
Wrenching Surface Size: 19.0 millimeters nominal first end
Wrenching Surface Size: 21.0 millimeters nominal second end
Wrenching Surface Shape: 6 point both ends internal
Material: steel overall
Surface Treatment: chromium overall
Style Designator: flare nut double end
Specification/Standard Data: 05047-asme b107.100 cat 40 professional/industrial association standard
Nondefinitive Spec/Std Data: 1 type

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5120-01-428-8264	No Name Available	11/01/2015
5120-01-648-7514	No Name Available	04/01/2023

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
J3719M	Open End Box Wrench
RXFMS1921	Open End Box Wrench
RXM1921S	Open End Box Wrench

FAQs

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

What is the FSCG of the NSN 5120-01-025-0205?

The FSCG of the NSN 5120-01-025-0205 is 5120

Does the NSN 5120-01-025-0205 have a Schedule B code assigned?

Yes, the Schedule B code is 8204110030

Does NSN 5120-01-025-0205 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 5120-01-025-0205 contain precious materials?

Item does not contain precious metal.

Does NSN 5120-01-025-0205 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 5120-01-025-0205 was assigned to the Federal Catalog?

It was assigned 50 years ago, on Sat, Jul 24, 1976