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A6689-040-235 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

A6689-040-235: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include material: RUBBER ISOBUTYLENE-ISOPRENE CLASS IIR, outside_diameter: 3.004 INCHES NOMINAL IN, center_hole_diameter: 2.844 INCHES MINIMUM AND 2.884 INCHES MAXIMUM IN, cross-sectional_height: 0.062 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5331-00-152-5408, 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
A6689-040-235
NSN: 5331-00-152-5408
FSC: 5331 — O-ring
CAGE: 01343 — ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY (USA)
SPECIFICATIONS
materialRUBBER ISOBUTYLENE-ISOPRENE CLASS IIR
outside_diameter3.004 INCHES NOMINAL IN
center_hole_diameter2.844 INCHES MINIMUM AND 2.884 INCHES MAXIMUM IN
cross-sectional_height0.062 INCHES NOMINAL IN
NSN5331-00-152-5408
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: A6689-040-235 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
•
CROSS-SECTIONAL HEIGHT: 0.062 INCHES NOMINAL IN
•
OUTSIDE DIAMETER: 3.004 INCHES NOMINAL IN
•
CENTER HOLE DIAMETER: 2.844 INCHES MINIMUM AND 2.884 INCHES MAXIMUM IN
•
MATERIAL: RUBBER ISOBUTYLENE-ISOPRENE CLASS IIR
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.062 INCHES NOMINAL IN
OUTSIDE DIAMETER3.004 INCHES NOMINAL IN
CENTER HOLE DIAMETER2.844 INCHES MINIMUM AND 2.884 INCHES MAXIMUM IN
MATERIALRUBBER ISOBUTYLENE-ISOPRENE CLASS IIR
SUBSTITUTES & CROSS-REFERENCES 3
ARP568-040MILG22050Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
AS568-040Reference document
Same NSN cross-reference
Reference document — Secondary reference
MIL DTL 33060Reference 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 A6689-040-235?
A6689-040-235 is a O-RING.
What parts can replace A6689-040-235?
There are 3 known substitutes for A6689-040-235: ARP568-040MILG22050, AS568-040, MIL DTL 33060. Substitute compatibility should be verified for your specific system.
What is the NSN for A6689-040-235?
A6689-040-235 is cataloged in the U.S. Government catalog under NSN 5331-00-152-5408. This indicates validated use in U.S. government and defense supply chains.
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