Tube Coupling Nut

Model / MPN: 641F1-4 | NSN: 4730-00-189-2729

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

4730-00-189-2729

Sold in multiples of

10 EA

DEMIL

Thread Class

Thread Direction

Right-hand

Fabrication Method

Forged

Nut Style

Tube coupling

Nut Height

0.937 inches

Width Across Flats

0.625 inches

Smallest Inside Diameter

Between 0.255 inches and 0.260 inches

Thread Series

Unf

Thready Qty Per Inch (tpi)

Thread Size

0.438 inches

Tube Outside Diameter

0.250 inches

Seat Angle

45.00 degrees

Material

Copper alloy

Material Specification

Mil-c-895 military specification single material response

Specification Data

81343-j513 professional/industrial association standard

Nondefinitive Specification/std Data

36a figure

641F1 Series Parts

Pricing and Availability

Send us a request for quote using the form below. Our team will contact you with an up to date pricing and availability quote ASAP.

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ISO 9001:2015 + AS9120B
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641F1-4 Cross Reference

DD1CA051
DD01CA051
A440
N4-4
N4-4
N4-4
14FL-4
C7621-3
000-8006-568
2W22959FA56
2W22959FA56
641-F04
J513
92000321
346503PC1
JD661
5118-80-3
5118-80-3
4-010167B
3301