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1753721 — DRIVER ASSEMBLY,ROTATION INDICAT

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

1753721: DRIVER ASSEMBLY,ROTATION INDICAT.

DRIVER ASSEMBLY,ROTATION INDICAT. Key specifications include end_item_identification: ENGINE,DIESEL, part_name_assigned_by_controlling_agency: DRIVER ASSEMBLY,ROT. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-579-6729, 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
1753721
NSN: 5340-01-579-6729
NIINs: 015796729, 016171522, 016674613
FSC: 5340 — Hardware, Commercial
CAGE: 11083 — CATERPILLAR INC DIV CATERPILLAR DEFENSE (USA)
SPECIFICATIONS
end_item_identificationENGINE,DIESEL
part_name_assigned_by_controlling_agencyDRIVER ASSEMBLY,ROT
NSN5340-01-579-6729
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 1753721 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
•
PERIPHERAL SHAPE STYLE: IRREGULAR, TWO HOLES
TECHNICAL CHARACTERISTICS
SPECIAL FEATURESCOVER
PERIPHERAL SHAPE STYLEIRREGULAR, TWO HOLES
END ITEM IDENTIFICATIONNSN 2410-01-565-2603 TRACTOR, FULL TRACKED, LOW SPEED
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 1753721?
1753721 is a DRIVER ASSEMBLY,ROTATION INDICAT.
What is the NSN for 1753721?
1753721 is cataloged in the U.S. Government catalog under NSN 5340-01-579-6729. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.