PartsTable
Technical Data Sheet
PartsTable / O-RING / 021.450629
021.450629 ✓ 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 021.450629 is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-248-3843, 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
021.450629
NSN: 5331-00-248-3843
FSC: 5331 — O-RING
CAGE: D1597 — AIM INFRAROT-MODULE GMBH (DEU)
SPECIFICATIONS
Part Number021.450629
NSN5331-00-248-3843
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 021.450629 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
•
CENTER HOLE DIAMETER: 0.546 INCHES MINIMUM AND 0.556 INCHES MAXIMUM IN
•
TEMP RATING: -65.0 FAHRENHEIT AND 200.0 FAHRENHEIT DEGF
•
ELONGATION PERCENTAGE: 200 MAXIMUM
•
OUTSIDE DIAMETER: 0.691 INCHES NOMINAL IN
•
CROSS-SECTIONAL HEIGHT: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
•
MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
TECHNICAL CHARACTERISTICS (FLIS)
CENTER HOLE DIAMETER0.546 INCHES MINIMUM AND 0.556 INCHES MAXIMUM IN
TEMP RATING-65.0 FAHRENHEIT AND 200.0 FAHRENHEIT DEGF
ELONGATION PERCENTAGE200 MAXIMUM
OUTSIDE DIAMETER0.691 INCHES NOMINAL IN
CROSS-SECTIONAL HEIGHT0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
VERIFIED SUBSTITUTES & CROSS-REFERENCES 29
568015Interchangeable
interchangeable cross-reference
interchangeable
GDD8253G13Interchangeable
interchangeable cross-reference
interchangeable
250-27Interchangeable
interchangeable cross-reference
interchangeable
7700025Interchangeable
interchangeable cross-reference
interchangeable
14X1,78-24B7Interchangeable
interchangeable cross-reference
interchangeable
2-015 N304-75Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 021.450629?
021.450629 is a 021.450629.
What parts can replace 021.450629?
There are 29 known substitutes for 021.450629: 568015, GDD8253G13, 250-27 and 26 more. Substitute compatibility should be verified for your specific system.
Is 021.450629 still available?
021.450629 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