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Technical Data Sheet
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00.550.0203 — SEAL,PLAIN

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

00.550.0203: SEAL,PLAIN.

The SEAL,PLAIN is a the manufacturer industrial component. Key specifications include material: RUBBER OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-272-7455, 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
00.550.0203
NSN: 5330-01-272-7455
FSC: 5330 — Packing and Gasket Materials
CAGE: 65713 — HEIDELBERG USA INC (USA)
SPECIFICATIONS
materialRUBBER OVERALL
NSN5330-01-272-7455
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 00.550.0203 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: RUBBER OVERALL
TECHNICAL CHARACTERISTICS
MATERIALRUBBER OVERALL
SUBSTITUTES & CROSS-REFERENCES 3
371.238Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
10342724Reference document
Same NSN cross-reference
Reference document — Informative reference only
G30X40X4Reference document
Same NSN cross-reference
Reference document — Secondary 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 00.550.0203?
00.550.0203 is a SEAL,PLAIN.
What parts can replace 00.550.0203?
There are 3 known substitutes for 00.550.0203: 371.238, 10342724, G30X40X4. Substitute compatibility should be verified for your specific system.
What is the NSN for 00.550.0203?
00.550.0203 is cataloged in the U.S. Government catalog under NSN 5330-01-272-7455. 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.