AP728L16J — NUT,TUBE COUPLING

✓ Government record, cited

— · HOSE FITTING

PRODUCT OVERVIEW

AP728L16J: NUT,TUBE COUPLING.

The NUT,TUBE COUPLING is a the manufacturer industrial component. Key specifications include material: STEEL COMP 304 OVERALL, nut_style: TUBE COUPLING, nut_height: 1.131 INCHES NOMINAL IN, seat_angle: 45.0 DEGREES NOMINAL, thread_class: 3B, thread_series: UNIFIED NATIONAL JOINT (UNJ). This part is cataloged in the U.S.

Government catalog under NSN 4730-01-153-1899, 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

AP728L16J

NSN: 4730-01-153-1899
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 01673 — SPS TECHNOLOGIES, LLC DBA AIRDROME PRECISION COMPONENTS (USA)

SPECIFICATIONS

material	STEEL COMP 304 OVERALL
nut_style	TUBE COUPLING
nut_height	1.131 INCHES NOMINAL IN
seat_angle	45.0 DEGREES NOMINAL
thread_class	3B
thread_series	UNIFIED NATIONAL JOINT (UNJ)
special_features	WITH LOCKWIRE HOLES; LUBRICANT DRY FILM THREADS
thread_direction	RIGHT-HAND
length_to_shoulder	0.962 INCHES NOMINAL IN
width_across_flats	1.500 INCHES NOMINAL IN
nominal_thread_size	1.312 INCHES IN
end_item_identification	USED ON UH AND E1 AIRCRAFT (97499); USED ON AH1J AIRCRAFT
NSN	4730-01-153-1899

COMPONENT DIAGRAM

KEY FEATURES

•

LENGTH TO SHOULDER: 0.962 INCHES NOMINAL IN

•

WIDTH ACROSS FLATS: 1.500 INCHES NOMINAL IN

•

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: T10 LUBE 460 MFR REF 1ST TREATMENT RESPONSE THREADS

•

THREAD SERIES: UNIFIED NATIONAL JOINT (UNJ)

•

MATERIAL DOCUMENT AND CLASSIFICATION: MIL-F-5509 MIL SPEC ALL MATERIAL RESPONSES OVERALL

•

SEAT ANGLE: 45.0 DEGREES NOMINAL

•

THREAD DIRECTION: RIGHT-HAND

•

NOMINAL THREAD SIZE: 1.312 INCHES IN

TECHNICAL CHARACTERISTICS

LENGTH TO SHOULDER	0.962 INCHES NOMINAL IN
WIDTH ACROSS FLATS	1.500 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	T10 LUBE 460 MFR REF 1ST TREATMENT RESPONSE THREADS
THREAD SERIES	UNIFIED NATIONAL JOINT (UNJ)
MATERIAL DOCUMENT AND CLASSIFICATION	MIL-F-5509 MIL SPEC ALL MATERIAL RESPONSES OVERALL
SEAT ANGLE	45.0 DEGREES NOMINAL
THREAD DIRECTION	RIGHT-HAND
NOMINAL THREAD SIZE	1.312 INCHES IN
NUT HEIGHT	1.131 INCHES NOMINAL IN
SPECIAL FEATURES	WITH LOCKWIRE HOLES; LUBRICANT DRY FILM THREADS

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

NA500004-16LJSame NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

40561-16LJReference 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 AP728L16J?

AP728L16J is a NUT,TUBE COUPLING.

What parts can replace AP728L16J?

There are 2 known substitutes for AP728L16J: NA500004-16LJ, 40561-16LJ. Substitute compatibility should be verified for your specific system.

What is the NSN for AP728L16J?

AP728L16J is cataloged in the U.S. Government catalog under NSN 4730-01-153-1899. This indicates validated use in U.S. government and defense supply chains.

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AP728L16J — NUT,TUBE COUPLING

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