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Technical Data Sheet
PartsTable / O-RING / BJ4554-21SA4PC40
BJ4554-21SA4PC40 ✓ 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 O-RING is a the manufacturer industrial component. Key specifications include material: RUBBER CHLOROPRENE CLASS CR, temp_rating: -40.0 FAHRENHEIT AND 212.0 FAHRENHEIT DEGF, outside_diameter: 3.443 INCHES NOMINAL IN, center_hole_diameter: 3.222 INCHES MINIMUM AND 3.252 INCHES MAXIMUM IN, cross-sectional_height: 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-457-2736, 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
BJ4554-21SA4PC40
NSN: 5331-00-457-2736
FSC: 5331 — O-RING
CAGE: 29709 — HUNT VALVE COMPANY, INC. (USA)
SPECIFICATIONS
materialRUBBER CHLOROPRENE CLASS CR
temp_rating-40.0 FAHRENHEIT AND 212.0 FAHRENHEIT DEGF
outside_diameter3.443 INCHES NOMINAL IN
center_hole_diameter3.222 INCHES MINIMUM AND 3.252 INCHES MAXIMUM IN
cross-sectional_height0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
NSN5331-00-457-2736
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: BJ4554-21SA4PC40 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
•
OUTSIDE DIAMETER: 3.443 INCHES NOMINAL IN
•
CENTER HOLE DIAMETER: 3.222 INCHES MINIMUM AND 3.252 INCHES MAXIMUM IN
•
TEMP RATING: -40.0 FAHRENHEIT AND 212.0 FAHRENHEIT DEGF
•
MATERIAL: RUBBER CHLOROPRENE CLASS CR
•
CROSS-SECTIONAL HEIGHT: 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
OUTSIDE DIAMETER3.443 INCHES NOMINAL IN
CENTER HOLE DIAMETER3.222 INCHES MINIMUM AND 3.252 INCHES MAXIMUM IN
TEMP RATING-40.0 FAHRENHEIT AND 212.0 FAHRENHEIT DEGF
MATERIALRUBBER CHLOROPRENE CLASS CR
CROSS-SECTIONAL HEIGHT0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 19
N141021610Interchangeable
interchangeable cross-reference
interchangeable
2-152C557-7Interchangeable
interchangeable cross-reference
interchangeable
MS28775-152Interchangeable
interchangeable cross-reference
interchangeable
AS568-152 AMS-P-5516 CLASS AInterchangeable
interchangeable cross-reference
interchangeable
AMS-P-5516 CL AInterchangeable
interchangeable cross-reference
interchangeable
ASM7270Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is BJ4554-21SA4PC40?
BJ4554-21SA4PC40 is a O-RING.
What parts can replace BJ4554-21SA4PC40?
There are 19 known substitutes for BJ4554-21SA4PC40: N141021610, 2-152C557-7, MS28775-152 and 16 more. Substitute compatibility should be verified for your specific system.
Is BJ4554-21SA4PC40 still available?
BJ4554-21SA4PC40 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