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7C1728 — SEAL,PLAIN

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

7C1728: SEAL,PLAIN.

The SEAL,PLAIN is a the manufacturer industrial component. Key specifications include end_item_identification: REAR GEAR GP-CSHFT 1172769. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-466-6642, 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
7C1728
NSN: 5330-01-466-6642
FSC: 5330 — Packing and Gasket Materials
CAGE: 11083 — CATERPILLAR INC DIV CATERPILLAR DEFENSE (USA)
SPECIFICATIONS
end_item_identificationREAR GEAR GP-CSHFT 1172769
NSN5330-01-466-6642
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 7C1728 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
TECHNICAL CHARACTERISTICS
END ITEM IDENTIFICATIONREAR GEAR GP-CSHFT 1172769
SUBSTITUTES & CROSS-REFERENCES 2
8HA8Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
226-4757Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 7C1728?
7C1728 is a SEAL,PLAIN.
What parts can replace 7C1728?
There are 2 known substitutes for 7C1728: 8HA8, 226-4757. Substitute compatibility should be verified for your specific system.
What is the NSN for 7C1728?
7C1728 is cataloged in the U.S. Government catalog under NSN 5330-01-466-6642. This indicates validated use in U.S. government and defense supply chains.
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