1611X8 — NUT,TUBE COUPLING

✓ Government record, cited

— · HOSE FITTING

PRODUCT OVERVIEW

1611X8: 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: 1.000 INCHES NOMINAL IN, seat_angle: 45.0 DEGREES NOMINAL, thread_class: 2B, thread_series: UNEF. This part is cataloged in the U.S.

Government catalog under NSN 4730-01-277-1329, 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

1611X8

NSN: 4730-01-277-1329
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 01276 — DANFOSS POWER SOLUTIONS II, LLC (USA)

SPECIFICATIONS

material	COPPER ALLOY 360 OVERALL
nut_style	TUBE COUPLING
nut_height	1.000 INCHES NOMINAL IN
seat_angle	45.0 DEGREES NOMINAL
thread_class	2B
thread_series	UNEF
thread_direction	RIGHT-HAND
fabrication_method	FORGED OR MACHINED
width_across_flats	0.812 INCHES NOMINAL IN
nominal_thread_size	0.688 INCHES IN
smallest_inside_diameter	0.506 INCHES NOMINAL IN
thread_quantity_per_inch	20
NSN	4730-01-277-1329

COMPONENT DIAGRAM

KEY FEATURES

•

WIDTH ACROSS FLATS: 0.812 INCHES NOMINAL IN

•

THREAD SERIES: UNEF

•

SEAT ANGLE: 45.0 DEGREES NOMINAL

•

THREAD DIRECTION: RIGHT-HAND

•

NOMINAL THREAD SIZE: 0.688 INCHES IN

•

NUT HEIGHT: 1.000 INCHES NOMINAL IN

•

NUT STYLE: TUBE COUPLING

•

THREAD CLASS: 2B

TECHNICAL CHARACTERISTICS

WIDTH ACROSS FLATS	0.812 INCHES NOMINAL IN
THREAD SERIES	UNEF
SEAT ANGLE	45.0 DEGREES NOMINAL
THREAD DIRECTION	RIGHT-HAND
NOMINAL THREAD SIZE	0.688 INCHES IN
NUT HEIGHT	1.000 INCHES NOMINAL IN
NUT STYLE	TUBE COUPLING
THREAD CLASS	2B
THREAD QUANTITY PER INCH	20
MATERIAL	COPPER ALLOY 360 OVERALL

OTHER ITEMS IN FSC 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

4730-00-000-1895 4730-00-000-4289 4730-00-000-4445 4730-00-000-8373 4730-00-000-8897 4730-00-001-0007 4730-00-001-0008

SUBSTITUTES & CROSS-REFERENCES 2

161-F-8Reference document

Same NSN cross-reference

Reference document — Secondary reference

21611X8Reference 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 1611X8?

1611X8 is a NUT,TUBE COUPLING.

What parts can replace 1611X8?

There are 2 known substitutes for 1611X8: 161-F-8, 21611X8. Substitute compatibility should be verified for your specific system.

What is the NSN for 1611X8?

1611X8 is cataloged in the U.S. Government catalog under NSN 4730-01-277-1329. This indicates validated use in U.S. government and defense supply chains.

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1611X8 — NUT,TUBE COUPLING

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