SEAL ASSEMBLY,SHAFT,SPRING LOADE. This part is cataloged in the U.S. Government catalog under NSN 4320-01-078-2523, 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
7L5663
NSN:4320-01-078-2523 FSC:4320 — Power and Hand Pumps CAGE:11083 — CATERPILLAR INC DIV CATERPILLAR DEFENSE (USA)
SPECIFICATIONS
Part Number
7L5663
NSN
4320-01-078-2523
COMPONENT DIAGRAM
KEY FEATURES
•
GENERAL CHARACTERISTICS ITEM DESCRIPTION: CONSISTS OF SPRING,HELICAL COMPRESSION 1.813 IN. L. 1 IN. I.D. WIRESIZE 10 GAGE,4.5 TURNS ASSEMBLY OF PRIMARY SEAL RING 0.828 IN. I.D. 1.186 IN. O.D. 0.594 IN. L. MATERIAL-TUNGSTEN CARBIDE FLEXIBLE DIAPHRAGM,MATERIAL-BONA-N RETAINER AND DRIVE RING-STAINLESS STEEL 316 MATING RING-TUNGSTEN CARBIDE AND COP TYPE STATIONARY SECONDARY ASSEMBLY 0.813 IN. I.D. 1.375 IN. O.D. 0.375 IN. L UNIT DESIGNED FOR SHAFT 0.750 IN. IN
TECHNICAL CHARACTERISTICS
GENERAL CHARACTERISTICS ITEM DESCRIPTION
CONSISTS OF SPRING,HELICAL COMPRESSION 1.813 IN. L. 1 IN. I.D. WIRESIZE 10 GAGE,4.5 TURNS ASSEMBLY OF PRIMARY SEAL RING 0.828 IN. I.D. 1.186 IN. O.D. 0.594 IN. L. MATERIAL-TUNGSTEN CARBIDE FLEXIBLE DIAPHRAGM,MATERIAL-BONA-N RETAINER AND DRIVE RING-STAINLESS STEEL 316 MATING RING-TUNGSTEN CARBIDE AND COP TYPE STATIONARY SECONDARY ASSEMBLY 0.813 IN. I.D. 1.375 IN. O.D. 0.375 IN. L UNIT DESIGNED FOR SHAFT 0.750 IN. IN
OTHER ITEMS IN FSC 4320 — Power and Hand Pumps
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
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FREQUENTLY ASKED QUESTIONS
What is 7L5663?
7L5663 is a SEAL ASSEMBLY,SHAFT,SPRING LOADE.
What parts can replace 7L5663?
There is 1 known substitute for 7L5663: 5N6649. Substitute compatibility should be verified for your specific system.
What is the NSN for 7L5663?
7L5663 is cataloged in the U.S. Government catalog under NSN 4320-01-078-2523. This indicates validated use in U.S. government and defense supply chains.
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