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

Tube Coupling Inverted Nut

Model / MPN: B3783 | NSN: 4730-00-202-8830
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
4730-00-202-8830
Sold in multiples of
DEMIL
NO
Thread Class
2a
Thread Direction
Right-hand
Fabrication Method
Bar stock, machined
Casehardening Indicator
Not casehardened
Overall Length
0.468 inches
Thread Size
5/16-24
Tube Outside Diameter For Which Designed
0.156 inches
Seat Angle In Deg
55.000
Screw Thread Series Designator
Unf
Width Across Flats
0.313 inches
Smallest Inside Diameter
0.165 inches
Material
Brass
Material
Copper alloy
Style Designator
Inverted nut, tube, flare
B3783 Series Parts

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B3783 Cross Reference
  • 78574