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Technical Data Sheet
PartsTable / COMPONENT / 318773
318773 ✓ 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 CARTRIDGE,CHECK VALVE is a the manufacturer industrial component. Key specifications include material: STEEL TUBING, design_form: PREBENT, special_features: LEFT STEERING AXLE BRAKE LINE, end_item_identification: HYSTER CO. MODEL E40B SERIES EE ELECTRIC FORK LIFT TRUCK.

This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-545-2193, 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
318773
NSN: 5340-00-545-2193
FSC: 5340
CAGE: 77445 — RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY (USA)
SPECIFICATIONS
materialSTEEL TUBING
design_formPREBENT
special_featuresLEFT STEERING AXLE BRAKE LINE
end_item_identificationHYSTER CO. MODEL E40B SERIES EE ELECTRIC FORK LIFT TRUCK
NSN5340-00-545-2193
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 318773 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
•
SECOND LEG HOLE ARRANGEMENT STYLE: TWO HOLES
•
SECOND LEG DISTANCE FROM EDGE TO HOLE CENTER ALONG LENGTH: 0.310 INCHES MINIMUM AND 0.330 INCHES MAXIMUM IN
•
FIRST LEG DISTANCE FROM EDGE TO HOLE CENTER ALONG LENGTH: 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN
•
SECOND LEG DISTANCE BETWEEN HOLE CENTERS ALONG LENGTH: 0.034 INCHES NOMINAL IN
•
FIRST LEG DISTANCE FROM EDGE TO HOLE CENTER ALONG WIDTH: 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN
•
FIRST LEG STYLE: END RADIUS AND TAPERED
•
FIRST LEG HOLE DIAMETER: 0.216 INCHES MINIMUM AND 0.226 INCHES MAXIMUM IN
•
FIRST LEG THICKNESS: 0.056 INCHES MINIMUM AND 0.068 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
SECOND LEG HOLE ARRANGEMENT STYLETWO HOLES
SECOND LEG DISTANCE FROM EDGE TO HOLE CENTER ALONG LENGTH0.310 INCHES MINIMUM AND 0.330 INCHES MAXIMUM IN
FIRST LEG DISTANCE FROM EDGE TO HOLE CENTER ALONG LENGTH0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN
SECOND LEG DISTANCE BETWEEN HOLE CENTERS ALONG LENGTH0.034 INCHES NOMINAL IN
FIRST LEG DISTANCE FROM EDGE TO HOLE CENTER ALONG WIDTH0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN
FIRST LEG STYLEEND RADIUS AND TAPERED
FIRST LEG HOLE DIAMETER0.216 INCHES MINIMUM AND 0.226 INCHES MAXIMUM IN
FIRST LEG THICKNESS0.056 INCHES MINIMUM AND 0.068 INCHES MAXIMUM IN
SECOND LEG DISTANCE FROM EDGE TO HOLE CENTER ALONG WIDTH0.310 INCHES MINIMUM AND 0.330 INCHES MAXIMUM IN
SPECIAL FEATURESFIRST LEG ANGLE IN DEGREES 100.0 MIN. 104.0 MAX.
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
318773Interchangeable
interchangeable cross-reference
interchangeable
317368Interchangeable
interchangeable cross-reference
interchangeable
317368 ITEM 13Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 318773?
318773 is a CARTRIDGE,CHECK VALVE.
What parts can replace 318773?
There are 3 known substitutes for 318773: 318773, 317368, 317368 ITEM 13. Substitute compatibility should be verified for your specific system.
What is the NSN for 318773?
318773 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-545-2193. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026