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

Tube Coupling Nut

Model / MPN: 261N1-4 | NSN: 4730-00-863-9135
ITAR Registered seal

An internally threaded nut which has either an internal seat or shoulder and/or is designed to be used with a ferrule, to mate with the seat of an externally threaded tube fitting to form a leakproof connection. Excludes nut (1), tube coupling, reducing; and nut (1), union.

Product Details
NATO Stock Number
4730-00-863-9135
Sold in multiples of
5 EA
DEMIL
NO
Thread Class
2b
Thread Direction
Right-hand
Fabrication Method
Cast
Nut Style
Tube coupling
Nut Height
0.469 inches
Width Across Flats
0.562 inches
Length To Shoulder
0.312 inches
Thread Series
Unf
Thready Qty Per Inch (tpi)
20
Thread Size
0.438 inches
Tube Outside Diameter
0.250 inches
Material
Plastic polytetrafluoroethylene
261N1 Series Parts

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261N1-4 Cross Reference