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B318-7-2-229 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

B318-7-2-229: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include material: RUBBER ISOBUTYLENE-ISOPRENE CLASS IIR, outside_diameter: 2.609 INCHES MINIMUM AND 2.665 INCHES MAXIMUM IN, center_hole_diameter: 2.339 INCHES MINIMUM AND 2.379 INCHES MAXIMUM IN, cross-sectional_height: 0.125 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5331-00-815-9169, 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
B318-7-2-229
NSN: 5331-00-815-9169
FSC: 5331 — O-ring
CAGE: 83259 — PARKER-HANNIFIN CORPORATION DBA PNEUTRONICS DIV COMPOSITE SEALING SYSTEMS DIVISION (USA)
SPECIFICATIONS
materialRUBBER ISOBUTYLENE-ISOPRENE CLASS IIR
outside_diameter2.609 INCHES MINIMUM AND 2.665 INCHES MAXIMUM IN
center_hole_diameter2.339 INCHES MINIMUM AND 2.379 INCHES MAXIMUM IN
cross-sectional_height0.125 INCHES NOMINAL IN
NSN5331-00-815-9169
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: B318-7-2-229 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: 0.125 INCHES NOMINAL IN
•
OUTSIDE DIAMETER: 2.609 INCHES MINIMUM AND 2.665 INCHES MAXIMUM IN
•
CENTER HOLE DIAMETER: 2.339 INCHES MINIMUM AND 2.379 INCHES MAXIMUM IN
•
MATERIAL: RUBBER ISOBUTYLENE-ISOPRENE CLASS IIR
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.125 INCHES NOMINAL IN
OUTSIDE DIAMETER2.609 INCHES MINIMUM AND 2.665 INCHES MAXIMUM IN
CENTER HOLE DIAMETER2.339 INCHES MINIMUM AND 2.379 INCHES MAXIMUM IN
MATERIALRUBBER ISOBUTYLENE-ISOPRENE CLASS IIR
OTHER ITEMS IN FSC 5331 — O-ring
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5331-00-001-1971 5331-00-001-1979 5331-00-001-3904 5331-00-001-3905 5331-00-001-3906 5331-00-001-3908 5331-00-001-3923 5331-00-001-3924
SUBSTITUTES & CROSS-REFERENCES 6
2-229B318-70Reference document
Same NSN cross-reference
Reference document — Secondary reference
B0318 2-229Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
9021-229Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
2-229 B318-7Reference document
Same NSN cross-reference
Reference document — Secondary reference
AS113-16-229Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
AS568-229/AMS3238Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is B318-7-2-229?
B318-7-2-229 is a O-RING.
What parts can replace B318-7-2-229?
There are 6 known substitutes for B318-7-2-229: 2-229B318-70, B0318 2-229, 9021-229 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for B318-7-2-229?
B318-7-2-229 is cataloged in the U.S. Government catalog under NSN 5331-00-815-9169. This indicates validated use in U.S. government and defense supply chains.
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