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PartsTable / COMPONENT / 4975553
4975553 ✓ Verified by PartsTable
— · COMPONENT
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The SHOCK ABSORBER,DIRECT ACTION is a the manufacturer industrial component. Key specifications include operation_method: HYDRAULIC, protective_shield_type: STONE, nominal_extended_length: 20.531 INCHES IN, nominal_compressed_length: 12.281 INCHES IN, piston_end_nominal_shank_length: 2.813 INCHES IN, cylinder_end_nominal_shank_length: 2.813 INCHES IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 2510-00-294-6339, 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
4975553
NSN: 2510-00-294-6339
FSC: 2510
CAGE: 72560 — GENERAL MOTORS CORP DELCO PRODUCTS DIV MACHINE CONTROL SYSTEMS (USA)
SPECIFICATIONS
operation_methodHYDRAULIC
protective_shield_typeSTONE
nominal_extended_length20.531 INCHES IN
nominal_compressed_length12.281 INCHES IN
piston_end_nominal_shank_length2.813 INCHES IN
cylinder_end_nominal_shank_length2.813 INCHES IN
piston_end_nominal_shank_diameter0.438 INCHES IN
cylinder_end_nominal_shank_diameter0.438 INCHES IN
piston_end_nominal_shank_unthreaded_length1.875 INCHES IN
cylinder_end_nominal_shank_unthreaded_length1.875 INCHES IN
NSN2510-00-294-6339
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SHOCK ABSORBER,DIRECT ACTION TITLE COMPONENT PN 4975553 MFR SHOCK ABSORBER,DIRECT
KEY FEATURES
•
CYLINDER END NOMINAL SHANK LENGTH: 2.813 INCHES IN
•
PISTON END NOMINAL SHANK LENGTH: 2.813 INCHES IN
•
CYLINDER END NOMINAL SHANK UNTHREADED LENGTH: 1.875 INCHES IN
•
NOMINAL EXTENDED LENGTH: 20.531 INCHES IN
•
NOMINAL COMPRESSED LENGTH: 12.281 INCHES IN
•
PISTON END NOMINAL SHANK UNTHREADED LENGTH: 1.875 INCHES IN
•
PROTECTIVE SHIELD TYPE: STONE
•
PISTON END NOMINAL SHANK DIAMETER: 0.438 INCHES IN
TECHNICAL CHARACTERISTICS (FLIS)
CYLINDER END NOMINAL SHANK LENGTH2.813 INCHES IN
PISTON END NOMINAL SHANK LENGTH2.813 INCHES IN
CYLINDER END NOMINAL SHANK UNTHREADED LENGTH1.875 INCHES IN
NOMINAL EXTENDED LENGTH20.531 INCHES IN
NOMINAL COMPRESSED LENGTH12.281 INCHES IN
PISTON END NOMINAL SHANK UNTHREADED LENGTH1.875 INCHES IN
PROTECTIVE SHIELD TYPESTONE
PISTON END NOMINAL SHANK DIAMETER0.438 INCHES IN
OPERATION METHODHYDRAULIC
CYLINDER END NOMINAL SHANK DIAMETER0.438 INCHES IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 21
12091Interchangeable
interchangeable cross-reference
interchangeable
C12091Interchangeable
interchangeable cross-reference
interchangeable
53116Interchangeable
interchangeable cross-reference
interchangeable
12479Interchangeable
interchangeable cross-reference
interchangeable
4501-UBInterchangeable
interchangeable cross-reference
interchangeable
91308-1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 4975553?
4975553 is a SHOCK ABSORBER,DIRECT ACTION.
What parts can replace 4975553?
There are 21 known substitutes for 4975553: 12091, C12091, 53116 and 18 more. Substitute compatibility should be verified for your specific system.
Is 4975553 still available?
4975553 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026