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PartsTable / COMPONENT / CR54521PC283
CR54521PC283 ✓ 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 RETAINER,PACKING is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, peripheral_diameter: 1.812 INCHES NOMINAL IN, center_hole_diameter: 0.781 INCHES NOMINAL IN, cross-sectional_height: 0.156 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-149-2335, 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
CR54521PC283
NSN: 5330-00-149-2335
FSC: 5330
CAGE: 62983 — EATON AEROSPACE, LLC DBA JACKSON SOUTH (USA)
SPECIFICATIONS
materialSTEEL OVERALL
peripheral_diameter1.812 INCHES NOMINAL IN
center_hole_diameter0.781 INCHES NOMINAL IN
cross-sectional_height0.156 INCHES NOMINAL IN
NSN5330-00-149-2335
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: CR54521PC283 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
•
MATERIAL: STEEL OVERALL
•
CROSS-SECTIONAL HEIGHT: 0.156 INCHES NOMINAL IN
•
CENTER HOLE DIAMETER: 0.781 INCHES NOMINAL IN
•
PERIPHERAL DIAMETER: 1.812 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL OVERALL
CROSS-SECTIONAL HEIGHT0.156 INCHES NOMINAL IN
CENTER HOLE DIAMETER0.781 INCHES NOMINAL IN
PERIPHERAL DIAMETER1.812 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 29
PF147Interchangeable
interchangeable cross-reference
interchangeable
29400198087Interchangeable
interchangeable cross-reference
interchangeable
PM-305Interchangeable
interchangeable cross-reference
interchangeable
51138Interchangeable
interchangeable cross-reference
interchangeable
10387Interchangeable
interchangeable cross-reference
interchangeable
452LXInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is CR54521PC283?
CR54521PC283 is a RETAINER,PACKING.
What parts can replace CR54521PC283?
There are 29 known substitutes for CR54521PC283: PF147, 29400198087, PM-305 and 26 more. Substitute compatibility should be verified for your specific system.
Is CR54521PC283 still available?
CR54521PC283 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