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Technical Data Sheet
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149-5240 — RETAINER,PACKING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

149-5240: RETAINER,PACKING.

The RETAINER,PACKING is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5330-01-469-7581, 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
149-5240
NSN: 5330-01-469-7581
FSC: 5330 — Packing and Gasket Materials
CAGE: 11083 — CATERPILLAR INC DIV CATERPILLAR DEFENSE (USA)
SPECIFICATIONS
Part Number149-5240
NSN5330-01-469-7581
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 149-5240 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
SUBSTITUTES & CROSS-REFERENCES 5
10186857Reference document
Same NSN cross-reference
Reference document — Informative reference only
23KP148Reference document
Same NSN cross-reference
Reference document — Secondary reference
7HA425Reference document
Same NSN cross-reference
Reference document — Vendor item drawing reference
1000773Reference document
Same NSN cross-reference
Reference document — Secondary reference
5330PL2133646Reference document
Same NSN cross-reference
Reference document — Informative reference only
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 149-5240?
149-5240 is a RETAINER,PACKING.
What parts can replace 149-5240?
There are 5 known substitutes for 149-5240: 10186857, 23KP148, 7HA425 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 149-5240?
149-5240 is cataloged in the U.S. Government catalog under NSN 5330-01-469-7581. This indicates validated use in U.S. government and defense supply chains.
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