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Technical Data Sheet
PartsTable / COMPONENT / 63-S
63-S ✓ Verified by PartsTable
— · GATE VALVE
WHAT YOU NEED TO KNOW
Full open or full close only — never throttle Rising stem shows position visually
Throttling a gate valve erodes seats
PRODUCT OVERVIEW

PARTS KIT,HYDRAULIC BRAKE WHEEL. Key specifications include supply_items_and_quantities: 76761 5174 CUP 2; 76761 14492 BOOT 2; 76761 31664 EXPANDER 2; 76761 23741 SPRING 1. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-359-5355, 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
63-S
NSN: 4820-00-359-5355
FSC: 4820
CAGE: 39305 — ITT MCDONNELL-MILLER A UNIT OF ITT FLUID HANDLING DIV (USA)
SPECIFICATIONS
component_quantity7
supply_items_and_quantities76761 5174 CUP 2; 76761 14492 BOOT 2; 76761 31664 EXPANDER 2; 76761 23741 SPRING 1
NSN4820-00-359-5355
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 63-S · OEM ⚠ VERIFY BEFORE ORDERING Gate valves = FULL OPEN or FULL CLOSE only — never throttle. Partial opening causes seat erosion and vibration. ✓ BROKER TIP Rising stem shows valve position visually — easier maintenance. Non-rising stem saves headroom. PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
63-SInterchangeable
interchangeable cross-reference
interchangeable
173-59Interchangeable
interchangeable cross-reference
interchangeable
6829Interchangeable
interchangeable cross-reference
interchangeable
320102032Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 63-S?
63-S is a PARTS KIT,HYDRAULIC BRAKE WHEEL.
What parts can replace 63-S?
There are 4 known substitutes for 63-S: 63-S, 173-59, 6829 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 63-S?
63-S is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-359-5355. 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