PartsTable
Technical Data Sheet
PartsTable / O-RING / 272.321.204
272.321.204 ✓ 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 272.321.204 is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-556-8268, 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
272.321.204
NSN: 5331-00-556-8268
FSC: 5331 — O-RING
CAGE: D3683 — VINCORION ADVANCED SYSTEMS GMBH DIV JENOPTIK DEFENSE AND CIVIL SYSTEMS (DEU)
SPECIFICATIONS
Part Number272.321.204
NSN5331-00-556-8268
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 272.321.204 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: 1.052 INCHES MINIMUM AND 1.084 INCHES MAXIMUM IN
•
CENTER HOLE DIAMETER: 0.856 INCHES MINIMUM AND 0.868 INCHES MAXIMUM IN
•
ELONGATION PERCENTAGE: 331 MAXIMUM
•
MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
•
TEMP RATING: -30.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF
•
CROSS-SECTIONAL HEIGHT: 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
•
HARDNESS RATING: 70.0 SHORE DUROMETER A NOMINAL
TECHNICAL CHARACTERISTICS (FLIS)
OUTSIDE DIAMETER1.052 INCHES MINIMUM AND 1.084 INCHES MAXIMUM IN
CENTER HOLE DIAMETER0.856 INCHES MINIMUM AND 0.868 INCHES MAXIMUM IN
ELONGATION PERCENTAGE331 MAXIMUM
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
TEMP RATING-30.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF
CROSS-SECTIONAL HEIGHT0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
HARDNESS RATING70.0 SHORE DUROMETER A NOMINAL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 23
AS568-118Interchangeable
interchangeable cross-reference
interchangeable
PRP118C0MP7507Interchangeable
interchangeable cross-reference
interchangeable
2-118 N304-75Interchangeable
interchangeable cross-reference
interchangeable
11-106118Interchangeable
interchangeable cross-reference
interchangeable
102602310Interchangeable
interchangeable cross-reference
interchangeable
403293-04Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
Ready to buy 272.321.204?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 272.321.204?
272.321.204 is a 272.321.204.
What parts can replace 272.321.204?
There are 23 known substitutes for 272.321.204: AS568-118, PRP118C0MP7507, 2-118 N304-75 and 20 more. Substitute compatibility should be verified for your specific system.
Is 272.321.204 still available?
272.321.204 is currently cancelled.
Community Feedback
Comments (0)
No comments yet. Be the first to share what you know.
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 272.321.204

✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026