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Technical Data Sheet
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T8854 ✓ 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

The WORM SHAFT is a the manufacturer industrial component. Key specifications include material: STEEL, overall_length: 19.500 INCHES NOMINAL IN, worm_thread_direction: RIGHT-HAND, largest_outside_diameter: 0.188 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-562-1059, 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
T8854
NSN: 4820-00-562-1059
FSC: 4820
CAGE: 73782 — TOWMOTOR CORP DALLAS PLANT SUB OF CATERPILLAR TRACTOR CO (USA)
SPECIFICATIONS
materialSTEEL
overall_length19.500 INCHES NOMINAL IN
worm_thread_quantity5
worm_thread_directionRIGHT-HAND
largest_outside_diameter0.188 INCHES NOMINAL IN
NSN4820-00-562-1059
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: T8854 · 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
KEY FEATURES
•
MATERIAL: STEEL
•
LARGEST OUTSIDE DIAMETER: 0.188 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL LENGTH1.656 INCHES NOMINAL IN
MATERIALSTEEL
LARGEST OUTSIDE DIAMETER0.188 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
130729Interchangeable
interchangeable cross-reference
interchangeable
543-2693-002Interchangeable
interchangeable cross-reference
interchangeable
15S754 PIECE 89Interchangeable
interchangeable cross-reference
interchangeable
15S754Interchangeable
interchangeable cross-reference
interchangeable
18P0129-0000Interchangeable
interchangeable cross-reference
interchangeable
CVCPICInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is T8854?
T8854 is a WORM SHAFT.
What parts can replace T8854?
There are 12 known substitutes for T8854: 130729, 543-2693-002, 15S754 PIECE 89 and 9 more. Substitute compatibility should be verified for your specific system.
Is T8854 still available?
T8854 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026