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7477H ✓ 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 RING SET,PISTON is a the manufacturer industrial component. Key specifications include standard_bore_diameter: 3.000 INCHES IN, ring_set_component_parts: COMPRESSION RING,113A50,44940,1,COMPRESSION RING,113A7,44940,1,EXPANDER RING,113A72,44940,1,OIL RING,113A74,44940,1. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 2805-00-303-4438, 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
7477H
NSN: 2805-00-303-4438
FSC: 2805
CAGE: 80756 — SPIROLOX INC (USA)
SPECIFICATIONS
standard_bore_diameter3.000 INCHES IN
ring_set_component_partsCOMPRESSION RING,113A50,44940,1,COMPRESSION RING,113A7,44940,1,EXPANDER RING,113A72,44940,1,OIL RING,113A74,44940,1
piston_accommodation_quantity1
NSN2805-00-303-4438
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RING SET,PISTON TITLE COMPONENT PN 7477H MFR RING SET,PISTON
KEY FEATURES
•
PISTON ACCOMMODATION QUANTITY: 1
•
STANDARD BORE DIAMETER: 3.000 INCHES IN
•
RING SET COMPONENT PARTS: COMPRESSION RING,113A50,44940,1,COMPRESSION RING,113A7,44940,1,EXPANDER RING,113A72,44940,1,OIL RING,113A74,44940,1
TECHNICAL CHARACTERISTICS (FLIS)
PISTON ACCOMMODATION QUANTITY1
STANDARD BORE DIAMETER3.000 INCHES IN
RING SET COMPONENT PARTSCOMPRESSION RING,113A50,44940,1,COMPRESSION RING,113A7,44940,1,EXPANDER RING,113A72,44940,1,OIL RING,113A74,44940,1
VERIFIED SUBSTITUTES & CROSS-REFERENCES 20
00000-4759Interchangeable
interchangeable cross-reference
interchangeable
2710-001Interchangeable
interchangeable cross-reference
interchangeable
1613-1Interchangeable
interchangeable cross-reference
interchangeable
11-0351-21Interchangeable
interchangeable cross-reference
interchangeable
A11-387Interchangeable
interchangeable cross-reference
interchangeable
11-351Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 7477H?
7477H is a RING SET,PISTON.
What parts can replace 7477H?
There are 20 known substitutes for 7477H: 00000-4759, 2710-001, 1613-1 and 17 more. Substitute compatibility should be verified for your specific system.
Is 7477H still available?
7477H 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