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3739276 Tube Coupling Inverted Nut

4730-00-841-1514

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Official Item Classification

Name
Tube Coupling Inverted Nut
Part Number
3739276
(NSN) National Stock Number
4730-00-841-1514
(FSG) Federal Supply Group
47 Pipe, Tubing, Hose, And Fittings
(INC) Item Name Code
03857
(FIIG) Federal Item Identification Guide
T385-B
Date
01/01/1962 (64 years ago)

7/16-24 thread size, right-hand thread direction, 0.640 inches nominal overall length, not casehardened casehardening indicator, 2a thread class

Specs & Compatibility

Thread Class

2a

Thread Direction

right-hand

Casehardening Indicator

not casehardened

Overall Length

0.640 inches nominal

Thread Size

7/16-24

Tube Outside Diameter For Which Designed

0.250 inches nominal

Seat Angle In Deg

45.00

Screw Thread Series Designator

uns

Width Across Flats

0.620 inches nominal

Smallest Inside Diameter

0.255 inches minimum and 0.258 inches maximum

Special Features

0.073 dia hole drilled in head for lock wire

Material

steel

Surface Treatment

cadmium or zinc

Style Designator

inverted nut, tube, flare

Regulatory Compliance

Precious Metals Indicator
U

Precious metal content is unknown

Criticality Code
X

The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.

Hazardous Metals Indicator
N

Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

Pseudo Item Name Code

0003857

Related Hardware Products

Part Number Description
3739276 Tube Coupling Inverted Nut

Frequently Asked Questions

What is the FSCG of the NSN 4730-00-841-1514?
The FSCG of the NSN 4730-00-841-1514 is 4730
Does NSN 4730-00-841-1514 require demilitarization?
Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.
Does NSN 4730-00-841-1514 contain precious materials?
Precious metal content is unknown
Does NSN 4730-00-841-1514 contain hazardous materials?
Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.
When the NSN 4730-00-841-1514 was assigned to the Federal Catalog?
It was assigned 64 years ago, on Mon, Jan 1, 1962