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Technical Data Sheet
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372870 — 372870

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

372870: 372870.

The 372870 is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5340-00-529-3953, 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
372870
NSN: 5340-00-529-3953
FSC: 5340 — Hardware, Commercial
CAGE: 01604 — BENDIX CORP THE HYDRAULICS DIV (USA)
SPECIFICATIONS
Part Number372870
NSN5340-00-529-3953
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 372870 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 1
408028Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 372870?
372870 is a 372870.
What parts can replace 372870?
There is 1 known substitute for 372870: 408028. Substitute compatibility should be verified for your specific system.
What is the NSN for 372870?
372870 is cataloged in the U.S. Government catalog under NSN 5340-00-529-3953. This indicates validated use in U.S. government and defense supply chains.
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