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JHP21-004 — COUPLING FRAME ASSEMBLY

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

JHP21-004: COUPLING FRAME ASSEMBLY.

The COUPLING FRAME ASSEMBLY is a the manufacturer industrial component. Key specifications include general_characteristics_item_description: STEEL,CONSIST OF 1 FRAME,1 HUB,4 COLLARS,1 BOSS,KEWAY,1 COUNTER-WEIGHT AND 2 SCREWS. This part is cataloged in the U.S.

Government catalog under NSN 2990-00-396-3315, 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
JHP21-004
NSN: 2990-00-396-3315
FSC: 2990 — Miscellaneous Engine Accessories, Nonaircraft
CAGE: 54764 — MANCRAFT INDUSTRIES INC (USA)
SPECIFICATIONS
general_characteristics_item_descriptionSTEEL,CONSIST OF 1 FRAME,1 HUB,4 COLLARS,1 BOSS,KEWAY,1 COUNTER-WEIGHT AND 2 SCREWS
NSN2990-00-396-3315
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available COUPLING FRAME ASSEMBLY TITLE COMPONENT PN JHP21-004 MFR COUPLING FRAME ASSEMBL
KEY FEATURES
•
GENERAL CHARACTERISTICS ITEM DESCRIPTION: STEEL,CONSIST OF 1 FRAME,1 HUB,4 COLLARS,1 BOSS,KEWAY,1 COUNTER-WEIGHT AND 2 SCREWS
TECHNICAL CHARACTERISTICS
GENERAL CHARACTERISTICS ITEM DESCRIPTIONSTEEL,CONSIST OF 1 FRAME,1 HUB,4 COLLARS,1 BOSS,KEWAY,1 COUNTER-WEIGHT AND 2 SCREWS
SUBSTITUTES & CROSS-REFERENCES 1
MJHP21-004Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is JHP21-004?
JHP21-004 is a COUPLING FRAME ASSEMBLY.
What parts can replace JHP21-004?
There is 1 known substitute for JHP21-004: MJHP21-004. Substitute compatibility should be verified for your specific system.
What is the NSN for JHP21-004?
JHP21-004 is cataloged in the U.S. Government catalog under NSN 2990-00-396-3315. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.