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F4891-273662 — BRACKET,MOUNTING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

F4891-273662: BRACKET,MOUNTING.

The BRACKET,MOUNTING is a the manufacturer industrial component. Key specifications include end_item_identification: STEERABLE DRIVE AXLE MODEL SDA 18. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-644-5552, 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
F4891-273662
NSN: 5340-01-644-5552
FSC: 5340 — Hardware, Commercial
CAGE: 89619 — MACK TRUCKS, INC. DBA MACUNGIE OPERATIONS DIV LEHIGH VALLEY OPERATIONS (USA)
SPECIFICATIONS
end_item_identificationSTEERABLE DRIVE AXLE MODEL SDA 18
NSN5340-01-644-5552
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: F4891-273662 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 IDENTIFICATIONSTEERABLE DRIVE AXLE MODEL SDA 18
OTHER ITEMS IN FSC 5340 — Hardware, Commercial
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5340-00-000-0068 5340-00-000-0132 5340-00-000-8150 5340-00-001-1251 5340-00-001-1264 5340-00-001-1265 5340-00-001-1266 5340-00-001-1275
SUBSTITUTES & CROSS-REFERENCES 2
273662Reference document
Same NSN cross-reference
Reference document — Secondary reference
4891-273662Same 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 F4891-273662?
F4891-273662 is a BRACKET,MOUNTING.
What parts can replace F4891-273662?
There are 2 known substitutes for F4891-273662: 273662, 4891-273662. Substitute compatibility should be verified for your specific system.
What is the NSN for F4891-273662?
F4891-273662 is cataloged in the U.S. Government catalog under NSN 5340-01-644-5552. This indicates validated use in U.S. government and defense supply chains.
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