PartsTable
Technical Data Sheet
PartsTable / O-RING / B14SR728-65
B14SR728-65 ✓ 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, outside_diameter: 1.279 INCHES NOMINAL IN, center_hole_diameter: 1.041 INCHES MINIMUM AND 1.053 INCHES MAXIMUM IN, cross-sectional_height: 0.112 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-01-006-2137, 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
B14SR728-65
NSN: 5331-01-006-2137
FSC: 5331 — O-RING
CAGE: 95272 — STILLMAN SEAL CORPORATION DIV STILLMAN SEAL CORPERATION (USA)
SPECIFICATIONS
materialRUBBER CHLOROPRENE CLASS CR
outside_diameter1.279 INCHES NOMINAL IN
center_hole_diameter1.041 INCHES MINIMUM AND 1.053 INCHES MAXIMUM IN
cross-sectional_height0.112 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN
NSN5331-01-006-2137
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: B14SR728-65 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 CHLOROPRENE CLASS CR
•
OUTSIDE DIAMETER: 1.279 INCHES NOMINAL IN
•
CROSS-SECTIONAL HEIGHT: 0.112 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN
•
CENTER HOLE DIAMETER: 1.041 INCHES MINIMUM AND 1.053 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALRUBBER CHLOROPRENE CLASS CR
OUTSIDE DIAMETER1.279 INCHES NOMINAL IN
CROSS-SECTIONAL HEIGHT0.112 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN
CENTER HOLE DIAMETER1.041 INCHES MINIMUM AND 1.053 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
A185-14Interchangeable
interchangeable cross-reference
interchangeable
213291-440-8Interchangeable
interchangeable cross-reference
interchangeable
50-8443-11Interchangeable
interchangeable cross-reference
interchangeable
E0688 2-013Interchangeable
interchangeable cross-reference
interchangeable
H467C001 ITEM 66Interchangeable
interchangeable cross-reference
interchangeable
CP031A013D3Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
Ready to buy B14SR728-65?
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 B14SR728-65?
B14SR728-65 is a O-RING.
What parts can replace B14SR728-65?
There are 14 known substitutes for B14SR728-65: A185-14, 213291-440-8, 50-8443-11 and 11 more. Substitute compatibility should be verified for your specific system.
Is B14SR728-65 still available?
B14SR728-65 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 — B14SR728-65

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