DF6503-173 AY-91 — PISTON,LINEAR ACTUATING CYLINDER

✓ Government record, cited

— · GATE VALVE

PRODUCT OVERVIEW

DF6503-173 AY-91: PISTON,LINEAR ACTUATING CYLINDER.

PISTON,LINEAR ACTUATING CYLINDER. Key specifications include special_features: COMPONENT OF AIR INDUCTION AND DIESEL EXHAUST VALVES OPERATING GEAR & GAGGING ASSY;BACKUP VALVE MANUAL OPERATOR ASSY., end_item_identification: SEAWOLF CLASS SSN. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-413-6338, 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

DF6503-173 AY-91

NSN: 4820-01-413-6338
FSC: 4820 — Valves, Nonpowered
CAGE: 43689 — HUNTINGTON INGALLS INC DIV NEWPORT NEWS SHIPBUILDING (USA)

SPECIFICATIONS

special_features	COMPONENT OF AIR INDUCTION AND DIESEL EXHAUST VALVES OPERATING GEAR & GAGGING ASSY;BACKUP VALVE MANUAL OPERATOR ASSY.
end_item_identification	SEAWOLF CLASS SSN
NSN	4820-01-413-6338

COMPONENT DIAGRAM

TECHNICAL CHARACTERISTICS

SPECIAL FEATURES	COMPONENT OF AIR INDUCTION AND DIESEL EXHAUST VALVES OPERATING GEAR & GAGGING ASSY;BACKUP VALVE MANUAL OPERATOR ASSY.
END ITEM IDENTIFICATION	SEAWOLF CLASS SSN

SUBSTITUTES & CROSS-REFERENCES 3

DF6503-173Reference document

Same NSN cross-reference

Reference document — Drawing number reference only

512-6404652-AY91Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

6404652Reference 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)No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is DF6503-173 AY-91?

DF6503-173 AY-91 is a PISTON,LINEAR ACTUATING CYLINDER.

What parts can replace DF6503-173 AY-91?

There are 3 known substitutes for DF6503-173 AY-91: DF6503-173, 512-6404652-AY91, 6404652. Substitute compatibility should be verified for your specific system.

What is the NSN for DF6503-173 AY-91?

DF6503-173 AY-91 is cataloged in the U.S. Government catalog under NSN 4820-01-413-6338. This indicates validated use in U.S. government and defense supply chains.

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DF6503-173 AY-91 — PISTON,LINEAR ACTUATING CYLINDER

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