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

Tube Coupling Inverted Nut

Model / MPN: 137523 | NSN: 4730-00-278-5538
ITAR Registered seal

An externally threaded fastening device which has an internal or external seat, designed to mate with the seat of an internally threaded tube fitting for the purpose of securing the tube to the fitting to form a leakproof connection.

Product Details
NATO Stock Number
4730-00-278-5538
Sold in multiples of
5 EA
DEMIL
NO
Thread Class
2a
Thread Direction
Right-hand
Fabrication Method
Bar stock, machined
Casehardening Indicator
Not casehardened
Overall Length
0.781 inches
Thread Size
3/4-16
Tube Outside Diameter For Which Designed
0.563 inches
Seat Radius
0.438 inches
Screw Thread Series Designator
Unf
Width Across Flats
0.813 inches
Smallest Inside Diameter
Between 0.566 inches and 0.570 inches
Material
Brass
Material
Copper alloy
Style Designator
Inverted nut, tube, compression
13752 Series Parts

Pricing and Availability

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137523 Cross Reference