H643-6503-A1 — CYLINDER ASSEMBLY,ACTUATING,LINE

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

H643-6503-A1: CYLINDER ASSEMBLY,ACTUATING,LINE.

CYLINDER ASSEMBLY,ACTUATING,LINE. Key specifications include bore_diameter: 5.477 INCHES NOMINAL IN, extended_length: 303.372 INCHES NOMINAL IN, special_features: MATREIAL OF CYLINDER: MONEL, compressed_length: 173.372 INCHES NOMINAL IN, design_characteristics: SINGLE ACTING SINGLE CYLINDER, end_item_identification: LOS ANGELES CLASS SSN (688). This part is cataloged in the U.S.

Government catalog under NSN 3040-01-498-7969, 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

H643-6503-A1

NSN: 3040-01-498-7969
FSC: 3040 — Miscellaneous Power Transmission Equipment
CAGE: 96169 — ELECTRIC BOAT CORPORATION DIV GENERAL DYNAMICS ELECTRIC BOAT (USA)

SPECIFICATIONS

bore_diameter	5.477 INCHES NOMINAL IN
extended_length	303.372 INCHES NOMINAL IN
special_features	MATREIAL OF CYLINDER: MONEL
compressed_length	173.372 INCHES NOMINAL IN
design_characteristics	SINGLE ACTING SINGLE CYLINDER
end_item_identification	LOS ANGELES CLASS SSN (688)
part_name_assigned_by_controlling_agency	CYLINDER ASSEMBLY, HYDRAULIC
NSN	3040-01-498-7969

COMPONENT DIAGRAM

KEY FEATURES

•

COMPRESSED LENGTH: 173.372 INCHES NOMINAL IN

•

EXTENDED LENGTH: 303.372 INCHES NOMINAL IN

•

DESIGN CHARACTERISTICS: SINGLE ACTING SINGLE CYLINDER

•

BORE DIAMETER: 5.477 INCHES NOMINAL IN

TECHNICAL CHARACTERISTICS

COMPRESSED LENGTH	173.372 INCHES NOMINAL IN
EXTENDED LENGTH	303.372 INCHES NOMINAL IN
DESIGN CHARACTERISTICS	SINGLE ACTING SINGLE CYLINDER
SPECIAL FEATURES	MATREIAL OF CYLINDER: MONEL
PART NAME ASSIGNED BY CONTROLLING AGENCY	CYLINDER ASSEMBLY, HYDRAULIC
END ITEM IDENTIFICATION	LOS ANGELES CLASS SSN (688)
BORE DIAMETER	5.477 INCHES NOMINAL IN

SUBSTITUTES & CROSS-REFERENCES 1

342-7067318Reference document

Same NSN cross-reference

Reference document — Drawing number reference only

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Normally procured from the manufacturer (OEM)Demilitarization required — mutilation + specific procedure

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FREQUENTLY ASKED QUESTIONS

What is H643-6503-A1?

H643-6503-A1 is a CYLINDER ASSEMBLY,ACTUATING,LINE.

What parts can replace H643-6503-A1?

There is 1 known substitute for H643-6503-A1: 342-7067318. Substitute compatibility should be verified for your specific system.

What is the NSN for H643-6503-A1?

H643-6503-A1 is cataloged in the U.S. Government catalog under NSN 3040-01-498-7969. This indicates validated use in U.S. government and defense supply chains.

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