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68173 ✓ 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 CYLINDER HEAD,DIESEL ENGINE is a the manufacturer industrial component. Key specifications include engine_design_control_activity: 13446, engine_model_number_for_which_designed: DA-55A-8 A. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-981-8701, 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
68173
NSN: 5340-00-981-8701
FSC: 5340
CAGE: 59647 — SHAW DEVELOPMENT, LLC (USA)
SPECIFICATIONS
engine_design_control_activity13446
engine_model_number_for_which_designedDA-55A-8 A
NSN5340-00-981-8701
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 68173 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
•
ACCOMMODATION TYPE: HANDLE END GRIPPING
•
RETAINING DEVICE LENGTH: 5.000 INCHES NOMINAL IN
•
STYLE DESIGNATOR: ADJUSTABLE TYPE-INTERNAL
•
MATERIAL: COPPER ALLOY HANDLE
•
RETAINING DEVICE TYPE: CHAIN
•
OUTSIDE DIAMETER: 1.145 INCHES NOMINAL IN
•
SYSTEM FOR WHICH DESIGNED: NONPRESSURIZED
TECHNICAL CHARACTERISTICS (FLIS)
ACCOMMODATION TYPEHANDLE END GRIPPING
RETAINING DEVICE LENGTH5.000 INCHES NOMINAL IN
STYLE DESIGNATORADJUSTABLE TYPE-INTERNAL
MATERIALCOPPER ALLOY HANDLE
RETAINING DEVICE TYPECHAIN
OUTSIDE DIAMETER1.145 INCHES NOMINAL IN
SYSTEM FOR WHICH DESIGNEDNONPRESSURIZED
MATERIALRUBBER SYNTHETIC AND COPPER ALLOY BODY
VERIFIED SUBSTITUTES & CROSS-REFERENCES 19
D15-745BPC241-242Interchangeable
interchangeable cross-reference
interchangeable
D15-787GPC241-242Interchangeable
interchangeable cross-reference
interchangeable
D15-743KPC241-242Interchangeable
interchangeable cross-reference
interchangeable
590012Interchangeable
interchangeable cross-reference
interchangeable
8168879Interchangeable
interchangeable cross-reference
interchangeable
8173Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 68173?
68173 is a CYLINDER HEAD,DIESEL ENGINE.
What parts can replace 68173?
There are 19 known substitutes for 68173: D15-745BPC241-242, D15-787GPC241-242, D15-743KPC241-242 and 16 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 68173?
68173 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-981-8701. 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