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Technical Data Sheet
40781 ✓ 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 PUMP,FUEL,CAM ACTUATED is a the manufacturer industrial component. Key specifications include end_item_identification: NF-5 AIRCRAFT GEARBOX. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-388-7671, 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
40781
NSN: 5330-00-388-7671
FSC: 5330
CAGE: 1ML14 — BRINKLEY TECHNOLOGY GROUP LLC DBA HERCULES MANUFACTURING (USA)
SPECIFICATIONS
end_item_identificationNF-5 AIRCRAFT GEARBOX
NSN5330-00-388-7671
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 40781 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
4078-1Interchangeable
interchangeable cross-reference
interchangeable
4501-257Interchangeable
interchangeable cross-reference
interchangeable
68B418000-257Interchangeable
interchangeable cross-reference
interchangeable
4131192Interchangeable
interchangeable cross-reference
interchangeable
M61785Interchangeable
interchangeable cross-reference
interchangeable
60012Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 40781?
40781 is a PUMP,FUEL,CAM ACTUATED.
What parts can replace 40781?
There are 10 known substitutes for 40781: 4078-1, 4501-257, 68B418000-257 and 7 more. Substitute compatibility should be verified for your specific system.
Is 40781 still available?
40781 is currently cancelled.
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