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Technical Data Sheet
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120-7543 — GASKET

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

120-7543: GASKET.

The GASKET is a the manufacturer industrial component. Key specifications include material: RUBBER SYNTHETIC SEALING ELEMENT, style_designator: NON-CIRCULAR, end_item_identification: 3830-01-538-1421, WINCH ATTACHMENT, SINGLE DRUM, MODEL PA80, part_name_assigned_by_controlling_agency: GASKET. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-547-9752, 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
120-7543
NSN: 5330-01-547-9752
FSC: 5330 — Packing and Gasket Materials
CAGE: 11083 — CATERPILLAR INC DIV CATERPILLAR DEFENSE (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC SEALING ELEMENT
special_featuresNHA IS WINCH CASE AND COVERS;GASKET IS FOR THE SIDE ACCESS COVER;APPLY RTV 732 SILASTIC SEALANT TO BOTH SIDES OF THE GASKET AND DRIVE SCREWS
style_designatorNON-CIRCULAR
bolt_hole_quantity8
end_item_identification3830-01-538-1421, WINCH ATTACHMENT, SINGLE DRUM, MODEL PA80
part_name_assigned_by_controlling_agencyGASKET
NSN5330-01-547-9752
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 120-7543 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
•
STYLE DESIGNATOR: NON-CIRCULAR
•
BOLT HOLE QUANTITY: 8
•
MATERIAL: RUBBER SYNTHETIC SEALING ELEMENT
TECHNICAL CHARACTERISTICS
STYLE DESIGNATORNON-CIRCULAR
BOLT HOLE QUANTITY8
SPECIAL FEATURESNHA IS WINCH CASE AND COVERS;GASKET IS FOR THE SIDE ACCESS COVER;APPLY RTV 732 SILASTIC SEALANT TO BOTH SIDES OF THE GASKET AND DRIVE SCREWS
PART NAME ASSIGNED BY CONTROLLING AGENCYGASKET
END ITEM IDENTIFICATION3830-01-538-1421, WINCH ATTACHMENT, SINGLE DRUM, MODEL PA80
MATERIALRUBBER SYNTHETIC SEALING ELEMENT
SUBSTITUTES & CROSS-REFERENCES 2
69950Reference document
Same NSN cross-reference
Reference document — Secondary reference
CV171617Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 120-7543?
120-7543 is a GASKET.
What parts can replace 120-7543?
There are 2 known substitutes for 120-7543: 69950, CV171617. Substitute compatibility should be verified for your specific system.
What is the NSN for 120-7543?
120-7543 is cataloged in the U.S. Government catalog under NSN 5330-01-547-9752. This indicates validated use in U.S. government and defense supply chains.
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