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555679 — RING,COMPRESSOR ROTOR

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

555679: RING,COMPRESSOR ROTOR.

The RING,COMPRESSOR ROTOR is a the manufacturer industrial component. Key specifications include end_item_identification: J75 ENG. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-118-1738, 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
555679
NSN: 5340-00-118-1738
NIINs: 001181738, 002278887
FSC: 5340 — Hardware, Commercial
CAGE: 24617 — GENERAL MOTORS CORP (USA)
SPECIFICATIONS
end_item_identificationJ75 ENG
general_characteristics_item_descriptionNICKEL CADMIUM PLATED AMS2416 ALLOVER;25.140 MIN,25.160 MAX IN. DIA;36 SLOTS EQUALLY SPACED ON OUTSIDE EDGE,0.3135 MIN,0.3185 MAX IN. W
NSN5340-00-118-1738
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 555679 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
•
RADIUS: 0.696 INCHES NOMINAL IN
•
OUTSIDE DIAMETER: 1.508 INCHES NOMINAL IN
•
STYLE DESIGNATOR: DOME
•
MATERIAL THICKNESS: 0.058 INCHES NOMINAL IN
•
HEIGHT: 1.500 INCHES NOMINAL IN
•
SURFACE TREATMENT: CADMIUM
•
MATERIAL: STEEL
TECHNICAL CHARACTERISTICS
RADIUS0.696 INCHES NOMINAL IN
OUTSIDE DIAMETER1.508 INCHES NOMINAL IN
STYLE DESIGNATORDOME
MATERIAL THICKNESS0.058 INCHES NOMINAL IN
HEIGHT1.500 INCHES NOMINAL IN
SURFACE TREATMENTCADMIUM
MATERIALSTEEL
SUBSTITUTES & CROSS-REFERENCES 1
25513256Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
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 555679?
555679 is a RING,COMPRESSOR ROTOR.
What parts can replace 555679?
There is 1 known substitute for 555679: 25513256. Substitute compatibility should be verified for your specific system.
What is the NSN for 555679?
555679 is cataloged in the U.S. Government catalog under NSN 5340-00-118-1738. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.