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Technical Data Sheet
PartsTable / COMPONENT / 90041-1
90041-1 ✓ 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 VALVE,PARKING BRAKE is a the manufacturer industrial component. Key specifications include end_item_identification: AIRCRAFT MODEL CH-53E. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-138-0436, 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
90041-1
NSN: 5340-00-138-0436
FSC: 5340
CAGE: 97499 — BELL TEXTRON INC (USA)
SPECIFICATIONS
end_item_identificationAIRCRAFT MODEL CH-53E
NSN5340-00-138-0436
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 90041-1 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
•
SURFACE TREATMENT: PASSIVATE SPRING
•
STYLE DESIGNATOR: FOLDING
•
SHANK DIAMETER: 0.467 INCHES MINIMUM AND 0.471 INCHES MAXIMUM IN
•
HANDLE CLEARANCE: 0.160 INCHES NOMINAL IN
•
HANDLE HEIGHT: 0.572 INCHES NOMINAL IN
•
SHANK LENGTH: 0.160 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
SURFACE TREATMENTPASSIVATE SPRING
OVERALL LENGTH4.860 INCHES NOMINAL IN
SURFACE TREATMENTANODIZE HANDLE
STYLE DESIGNATORFOLDING
SHANK DIAMETER0.467 INCHES MINIMUM AND 0.471 INCHES MAXIMUM IN
HANDLE CLEARANCE0.160 INCHES NOMINAL IN
HANDLE HEIGHT0.572 INCHES NOMINAL IN
SHANK LENGTH0.160 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
2843Upgraded Successor
successor cross-reference
successor
320-8328766 ITEM 57Upgraded Successor
successor cross-reference
successor
2483Upgraded Successor
successor cross-reference
successor
90041-1Interchangeable
interchangeable cross-reference
interchangeable
0N081711Interchangeable
interchangeable cross-reference
interchangeable
973-670A-92WRNInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 90041-1?
90041-1 is a VALVE,PARKING BRAKE.
What parts can replace 90041-1?
There are 14 known substitutes for 90041-1: 2843, 320-8328766 ITEM 57, 2483 and 11 more. Substitute compatibility should be verified for your specific system.
Is 90041-1 still available?
90041-1 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026