137618661 — NUT,COUPLING,FLEXIBLE CASING

✓ Government record, cited

— · HOSE FITTING

PRODUCT OVERVIEW

137618661: NUT,COUPLING,FLEXIBLE CASING.

The NUT,COUPLING,FLEXIBLE CASING is a the manufacturer industrial component. Key specifications include material: STEEL COMP 316 OVERALL, nut_style: TUBE COUPLING, nut_height: 1.047 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 4730-01-283-9586, 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

137618661

NSN: 4730-01-283-9586
NIINs: 012839586, 013509706
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: A0199 — LEONARDO S.P.A. - ELECTRONICS DIVISION - DEFENCE BUSINESS AREA (ITA)

SPECIFICATIONS

material	STEEL COMP 316 OVERALL
nut_style	TUBE COUPLING
nut_height	1.047 INCHES NOMINAL IN
seat_angle	45.0 DEGREES NOMINAL
thread_class	3B
thread_series	UNIFIED NATIONAL JOINT (UNJ)
thread_direction	RIGHT-HAND
fabrication_method	MACHINED
length_to_shoulder	0.687 INCHES NOMINAL IN
width_across_flats	1.500 INCHES NOMINAL IN
nominal_thread_size	1.312 INCHES IN
smallest_inside_diameter	1.074 INCHES NOMINAL IN
NSN	4730-01-283-9586

COMPONENT DIAGRAM

KEY FEATURES

•

LENGTH TO SHOULDER: 0.687 INCHES NOMINAL IN

•

WIDTH ACROSS FLATS: 1.500 INCHES NOMINAL IN

•

THREAD SERIES: UNIFIED NATIONAL JOINT (UNJ)

•

SEAT ANGLE: 45.0 DEGREES NOMINAL

•

THREAD DIRECTION: RIGHT-HAND

•

NOMINAL THREAD SIZE: 1.312 INCHES IN

•

SPECIFICATION/STANDARD DATA: 96906-MS21921 GOVERNMENT STANDARD

•

NUT HEIGHT: 1.047 INCHES NOMINAL IN

TECHNICAL CHARACTERISTICS

LENGTH TO SHOULDER	0.687 INCHES NOMINAL IN
WIDTH ACROSS FLATS	1.500 INCHES NOMINAL IN
THREAD SERIES	UNIFIED NATIONAL JOINT (UNJ)
SEAT ANGLE	45.0 DEGREES NOMINAL
THREAD DIRECTION	RIGHT-HAND
NOMINAL THREAD SIZE	1.312 INCHES IN
SPECIFICATION/STANDARD DATA	96906-MS21921 GOVERNMENT STANDARD
NUT HEIGHT	1.047 INCHES NOMINAL IN
NUT STYLE	TUBE COUPLING
THREAD CLASS	3B

SUBSTITUTES & CROSS-REFERENCES 3

AS18280Reference document

Same NSN cross-reference

Reference document — Secondary reference

SAE-AS18280Reference document

Same NSN cross-reference

Reference document — Design control — primary reference

MS21921-16KReference document

Same NSN cross-reference

Reference document — Secondary reference

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 137618661?

137618661 is a NUT,COUPLING,FLEXIBLE CASING.

What parts can replace 137618661?

There are 3 known substitutes for 137618661: AS18280, SAE-AS18280, MS21921-16K. Substitute compatibility should be verified for your specific system.

What is the NSN for 137618661?

137618661 is cataloged in the U.S. Government catalog under NSN 4730-01-283-9586. This indicates validated use in U.S. government and defense supply chains.

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137618661 — NUT,COUPLING,FLEXIBLE CASING

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