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

Tube Coupling Inverted Nut

Model / MPN: FC2578M | NSN: 4730-00-580-8514
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
4730-00-580-8514
Sold in multiples of
10 EA
DEMIL
NO
Thread Class
2a
Thread Direction
Right-hand
Fabrication Method
Any acceptable
Casehardening Indicator
Not casehardened
Overall Length
0.620 inches
Thread Size
1/2-20
Tube Outside Diameter For Which Designed
0.313 inches
Seat Angle In Deg
45.0
Screw Thread Series Designator
Unf
Width Across Flats
0.500 inches
Smallest Inside Diameter
0.317 inches
Material
Steel
Material
Steel
Surface Treatment
Dichromate or zinc
Style Designator
Inverted nut, tube, flare
Surface Treatment
Dichromate or zinc
2578M Series Parts

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FC2578M Cross Reference
  • 423257