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Technical Data Sheet
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73653 ✓ Verified by PartsTable
Lindy · ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

The SWITCH,PUSH is a Lindy industrial component. Key specifications include material: STEEL, body_style: BUSHING MOUNTED, design_type: FRICTION, end_similarity: NOT IDENTICAL, overall_length: 1.266 INCHES NOMINAL IN, first_end_style: SLOTTED. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-103-5513, 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
73653
NSN: 5340-00-103-5513
FSC: 5340
CAGE: 95097 — LITTLE GIANT CRANE AND SHOVEL INC (USA)
SPECIFICATIONS
materialSTEEL
body_styleBUSHING MOUNTED
design_typeFRICTION
step_quantity3
end_similarityNOT IDENTICAL
overall_length1.266 INCHES NOMINAL IN
first_end_styleSLOTTED
overall_diameter1.532 INCHES NOMINAL IN
second_end_styleSLOTTED
first_end_diameter0.5620 INCHES NOMINAL IN
second_end_diameter0.7000 INCHES NOMINAL IN
first_end_slot_depth0.240 INCHES NOMINAL IN
NSN5340-00-103-5513
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 73653 MFR: Lindy ⚠ 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
•
MATERIAL: STEEL
•
TUBE OUTSIDE DIAMETER FOR WHICH DESIGNED: 1.012 INCHES NOMINAL IN
•
DESIGN TYPE: FRICTION
•
OVERALL DIAMETER: 1.532 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL
TUBE OUTSIDE DIAMETER FOR WHICH DESIGNED1.012 INCHES NOMINAL IN
DESIGN TYPEFRICTION
OVERALL DIAMETER1.532 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
73653Interchangeable
interchangeable cross-reference
interchangeable
77515Interchangeable
interchangeable cross-reference
interchangeable
72RX89Interchangeable
Same NIIN cross-reference
interchangeable
029083-5Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 73653?
73653 is a SWITCH,PUSH manufactured by Lindy.
What parts can replace 73653?
There are 4 known substitutes for 73653: 73653, 77515, 72RX89 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 73653?
73653 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-103-5513. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026