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

Union Nut

Model / MPN: 56153-1-4-9 | NSN: 4730-01-006-1730
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
4730-01-006-1730
Sold in multiples of
DEMIL
NO
Thread Direction
Right-hand
Shoulder Width
0.250 inches
Nut Style
Hexagon
Nut Height
1.312 inches
Width Across Flats
Between 1.575 inches and 1.625 inches
Smallest Inside Diameter
0.872 inches
Thread Series
Unef
Shoulder Step Width
0.375 inches
Thready Qty Per Inch (tpi)
18
Thread Size
1.250 inches
Material
Steel comp 1018
Material Specification
Qq-s-634 federal specification single material response
Surface Treatment
Silver
Surface Treatment Specification
Ams 2412 assn standard single treatment response
561531 Series Parts

Pricing and Availability

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56153-1-4-9 Cross Reference