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Technical Data Sheet
PartsTable / COMPONENT / 66-2R28A
66-2R28A ✓ Verified by PartsTable
— · ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

The SEAL,CRANKSHAFT is a the manufacturer industrial component. Key specifications include general_characteristics_item_description: 2.406 IN. LG DECOMPRESSED,0.875 IN.

COMPRESSED SPRING,1.625 IN. DIA,0.344 IN. THK IN.

This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-567-2804, 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
66-2R28A
NSN: 5330-00-567-2804
FSC: 5330
CAGE: 16662 — LIFT PARTS MFG CO INC DIV OF ECHLIN MFG CO THE (USA)
SPECIFICATIONS
general_characteristics_item_description2.406 IN. LG DECOMPRESSED,0.875 IN. COMPRESSED SPRING,1.625 IN. DIA,0.344 IN. THK IN
NSN5330-00-567-2804
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 66-2R28A MFR: OEM ⚠ VERIFY BEFORE ORDERING Wrong material = failure. Viton for oil/fuel, EPDM for water/steam, Buna-N for general purpose, Silicone for food-grade. Chemical incompatibility causes swelling, brittleness, or rapid degradation ✓ BROKER TIP Durometer (hardness) affects sealing pressure tolerance. Higher Shore A = harder = higher pressure. Standard durometer is 70A — verify if application requires different hardness PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
GENERAL CHARACTERISTICS ITEM DESCRIPTION: 2.406 IN. LG DECOMPRESSED,0.875 IN. COMPRESSED SPRING,1.625 IN. DIA,0.344 IN. THK IN
TECHNICAL CHARACTERISTICS (FLIS)
GENERAL CHARACTERISTICS ITEM DESCRIPTION2.406 IN. LG DECOMPRESSED,0.875 IN. COMPRESSED SPRING,1.625 IN. DIA,0.344 IN. THK IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
53-549Interchangeable
interchangeable cross-reference
interchangeable
0705Interchangeable
interchangeable cross-reference
interchangeable
22141Interchangeable
interchangeable cross-reference
interchangeable
10-40814-9Interchangeable
interchangeable cross-reference
interchangeable
90010Interchangeable
interchangeable cross-reference
interchangeable
NN-H-93Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 66-2R28A?
66-2R28A is a SEAL,CRANKSHAFT.
What parts can replace 66-2R28A?
There are 12 known substitutes for 66-2R28A: 53-549, 0705, 22141 and 9 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 66-2R28A?
66-2R28A is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-567-2804. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026