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Worldwide distributor of NSN parts and consumables located in the USA.

Union Nut

Model / MPN: 7739519 | NSN: 4730-01-125-0398
ITAR Registered seal

An internally threaded nut which has an internal seat or shoulder designed to engage the nut retaining flange of a union tailpiece. The threaded portion is used to engage the thread piece of a union, union elbor or the like. Excludes nut (1), tube coupling.

Product Details
NATO Stock Number
4730-01-125-0398
Sold in multiples of
1 EA
DEMIL
NO
Thread Class
2b
Thread Direction
Right-hand
Shoulder Width
0.055 inches
Nut Style
Hexagon
Nut Height
1.000 inches
Width Across Flats
Between 1.605 inches and 1.625 inches
Smallest Inside Diameter
0.625 inches
Thread Series
Uns
Shoulder Step Width
0.156 inches
Shoulder Seat Diameter
1.270 inches
Thready Qty Per Inch (tpi)
14
Thread Size
1.375 inches
Material
Aluminum alloy 2017
Material Specification
Qq-a-225/5, t4 federal specification single material response
77395 Series Parts
Solicitations
Solicitation Description Qty UOM Close Date
SPE7M318T6759 Nut, Union 1 EA 04/20/2018
SPE7M318T8789 Nut, Union 26 EA 06/04/2018
SPE7M319T8370 Nut, Union 26 EA 04/22/2019

Pricing and Availability

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7739519 Cross Reference