161-F-04 — NUT,TUBE COUPLING

✓ Government record, cited

— · HOSE FITTING

PRODUCT OVERVIEW

161-F-04: NUT,TUBE COUPLING.

The NUT,TUBE COUPLING is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY 360 OVERALL, nut_style: TUBE COUPLING, nut_height: 0.750 INCHES NOMINAL IN, seat_angle: 45.00 DEGREES NOMINAL, thread_class: 2B, thread_series: UNS. This part is cataloged in the U.S.

Government catalog under NSN 4730-00-111-9420, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS

161-F-04

NSN: 4730-00-111-9420
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 30327 — IMPERIAL (USA)

SPECIFICATIONS

material	COPPER ALLOY 360 OVERALL
nut_style	TUBE COUPLING
nut_height	0.750 INCHES NOMINAL IN
seat_angle	45.00 DEGREES NOMINAL
thread_class	2B
thread_series	UNS
thread_direction	RIGHT-HAND
width_across_flats	0.562 INCHES NOMINAL IN
nominal_thread_size	0.438 INCHES IN
smallest_inside_diameter	0.257 INCHES NOMINAL IN
thread_quantity_per_inch	24
nominal_tube_outside_diameter	0.250 INCHES IN
NSN	4730-00-111-9420

COMPONENT DIAGRAM

KEY FEATURES

•

WIDTH ACROSS FLATS: 0.562 INCHES NOMINAL IN

•

THREAD SERIES: UNS

•

MATERIAL DOCUMENT AND CLASSIFICATION: SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL

•

SEAT ANGLE: 45.00 DEGREES NOMINAL

•

THREAD DIRECTION: RIGHT-HAND

•

NOMINAL THREAD SIZE: 0.438 INCHES IN

•

NUT HEIGHT: 0.750 INCHES NOMINAL IN

•

NUT STYLE: TUBE COUPLING

TECHNICAL CHARACTERISTICS

WIDTH ACROSS FLATS	0.562 INCHES NOMINAL IN
THREAD SERIES	UNS
MATERIAL DOCUMENT AND CLASSIFICATION	SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
SEAT ANGLE	45.00 DEGREES NOMINAL
THREAD DIRECTION	RIGHT-HAND
NOMINAL THREAD SIZE	0.438 INCHES IN
NUT HEIGHT	0.750 INCHES NOMINAL IN
NUT STYLE	TUBE COUPLING
THREAD CLASS	2B
THREAD QUANTITY PER INCH	24

SUBSTITUTES & CROSS-REFERENCES 2

1611X4Reference document

Same NSN cross-reference

Reference document — Secondary reference

21611X4Reference document

Same NSN cross-reference

Reference document — Secondary reference

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 161-F-04?

161-F-04 is a NUT,TUBE COUPLING.

What parts can replace 161-F-04?

There are 2 known substitutes for 161-F-04: 1611X4, 21611X4. Substitute compatibility should be verified for your specific system.

What is the NSN for 161-F-04?

161-F-04 is cataloged in the U.S. Government catalog under NSN 4730-00-111-9420. This indicates validated use in U.S. government and defense supply chains.

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