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Technical Data Sheet

40401-09 PART 750 FIND 9 — Technical Data Sheet

✓ Verified by PartsTable
— · ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

The O-RING is a the manufacturer industrial component. Key specifications include material: RUBBER CHLOROPRENE CLASS CR, center_hole_diameter: 1.228 INCHES MINIMUM AND 1.240 INCHES MAXIMUM IN, cross-sectional_height: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System under NSN 5331-01-061-3331, 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
40401-09 PART 750 FIND 9
NSN: 5331-01-061-3331
FSC: 5331 — O-RING
CAGE: 55378 — TRAC REGULATOR CO., INC. DBA TRAC REGULATOR CO INC (USA)
SPECIFICATIONS
materialRUBBER CHLOROPRENE CLASS CR
center_hole_diameter1.228 INCHES MINIMUM AND 1.240 INCHES MAXIMUM IN
cross-sectional_height0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
NSN5331-01-061-3331
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 40401-09 PART 750 FIND 9 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: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
•
MATERIAL: RUBBER CHLOROPRENE CLASS CR
•
CENTER HOLE DIAMETER: 1.228 INCHES MINIMUM AND 1.240 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
MATERIALRUBBER CHLOROPRENE CLASS CR
CENTER HOLE DIAMETER1.228 INCHES MINIMUM AND 1.240 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
10087978InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
63842InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
SAE-J512InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
SAE J512 3-3-3 040401BAInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
502-0373InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
502373InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVEGOVERNMENT REGISTRY
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 40401-09 PART 750 FIND 9?
40401-09 PART 750 FIND 9 is a O-RING.
What parts can replace 40401-09 PART 750 FIND 9?
There are 12 known substitutes for 40401-09 PART 750 FIND 9: 10087978, 63842, SAE-J512 and 9 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 40401-09 PART 750 FIND 9?
40401-09 PART 750 FIND 9 is cataloged in the Federal Logistics Information System under NSN 5331-01-061-3331. This indicates validated use in U.S. government and defense supply chains.
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