PartsTable
Technical Data Sheet
PartsTable / O-RING / R72328
R72328 ✓ 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 BUTADIENE-ACRYLONITRILE CLASS NBR, outside_diameter: 0.928 INCHES MINIMUM AND 0.958 INCHES MAXIMUM IN, center_hole_diameter: 0.732 INCHES MINIMUM AND 0.742 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 5331-00-579-3156, 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
R72328
NSN: 5331-00-579-3156
FSC: 5331 — O-RING
CAGE: 3H244 — C-K POWER PRODUCTS CORP (USA)
SPECIFICATIONS
materialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
outside_diameter0.928 INCHES MINIMUM AND 0.958 INCHES MAXIMUM IN
center_hole_diameter0.732 INCHES MINIMUM AND 0.742 INCHES MAXIMUM IN
cross-sectional_height0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
NSN5331-00-579-3156
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: R72328 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: 0.732 INCHES MINIMUM AND 0.742 INCHES MAXIMUM IN
•
OUTSIDE DIAMETER: 0.928 INCHES MINIMUM AND 0.958 INCHES MAXIMUM IN
•
CROSS-SECTIONAL HEIGHT: 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
•
MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
TECHNICAL CHARACTERISTICS (FLIS)
CENTER HOLE DIAMETER0.732 INCHES MINIMUM AND 0.742 INCHES MAXIMUM IN
OUTSIDE DIAMETER0.928 INCHES MINIMUM AND 0.958 INCHES MAXIMUM IN
CROSS-SECTIONAL HEIGHT0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
VERIFIED SUBSTITUTES & CROSS-REFERENCES 29
230-927-116-730 -000Interchangeable
interchangeable cross-reference
interchangeable
ARP568-116MILP5 516-70Interchangeable
interchangeable cross-reference
interchangeable
6191268Interchangeable
interchangeable cross-reference
interchangeable
10383836Interchangeable
interchangeable cross-reference
interchangeable
SE20XD01Interchangeable
interchangeable cross-reference
interchangeable
SS5221-1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
Ready to buy R72328?
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 R72328?
R72328 is a O-RING.
What parts can replace R72328?
There are 29 known substitutes for R72328: 230-927-116-730 -000, ARP568-116MILP5 516-70, 6191268 and 26 more. Substitute compatibility should be verified for your specific system.
Is R72328 still available?
R72328 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 — R72328

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