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745-238143 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

745-238143: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include material: RUBBER SILICONE CLASS Q, center_hole_diameter: 0.231 INCHES MINIMUM AND 0.247 INCHES MAXIMUM IN, cross-sectional_height: 0.070 INCHES MINIMUM AND 0.078 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5331-00-682-4552, 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
745-238143
NSN: 5331-00-682-4552
FSC: 5331 — O-ring
CAGE: Z4117 — VOLVO GROUP GOVERNMENT SALES OCEANI OCEANIA VOLVO GROUP GOVERNMENT SALES (AUS)
SPECIFICATIONS
materialRUBBER SILICONE CLASS Q
center_hole_diameter0.231 INCHES MINIMUM AND 0.247 INCHES MAXIMUM IN
cross-sectional_height0.070 INCHES MINIMUM AND 0.078 INCHES MAXIMUM IN
NSN5331-00-682-4552
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 745-238143 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: 0.070 INCHES MINIMUM AND 0.078 INCHES MAXIMUM IN
•
CENTER HOLE DIAMETER: 0.231 INCHES MINIMUM AND 0.247 INCHES MAXIMUM IN
•
MATERIAL: RUBBER SILICONE CLASS Q
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.070 INCHES MINIMUM AND 0.078 INCHES MAXIMUM IN
CENTER HOLE DIAMETER0.231 INCHES MINIMUM AND 0.247 INCHES MAXIMUM IN
MATERIALRUBBER SILICONE CLASS Q
SUBSTITUTES & CROSS-REFERENCES 2
69196Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
L31407Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 745-238143?
745-238143 is a O-RING.
What parts can replace 745-238143?
There are 2 known substitutes for 745-238143: 69196, L31407. Substitute compatibility should be verified for your specific system.
What is the NSN for 745-238143?
745-238143 is cataloged in the U.S. Government catalog under NSN 5331-00-682-4552. This indicates validated use in U.S. government and defense supply chains.
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