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Technical Data Sheet
PartsTable / COMPONENT / P55504-0100
P55504-0100 ✓ 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 VALVE,REDUCING ASSEMBLY is a the manufacturer industrial component. Key specifications include general_characteristics_item_description: STEEL; 6.750 IN. LG; 3.432 IN.

W; FLANGE 4.970 IN. LG; 2.248 IN. W; TWO MTG HOLES 0.415 IN.

DIA; 0.507 IN. THICK IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-771-4729, 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
P55504-0100
NSN: 4820-00-771-4729
FSC: 4820
CAGE: 82722 — WESTINGHOUSE AIR BRAKE TECHNOLOGIES CORP DBA WESTINGHOUSE AIR BRAKE TECHNOLOGIES CORP (USA)
SPECIFICATIONS
general_characteristics_item_descriptionSTEEL; 6.750 IN. LG; 3.432 IN. W; FLANGE 4.970 IN. LG; 2.248 IN. W; TWO MTG HOLES 0.415 IN. DIA; 0.507 IN. THICK IN
NSN4820-00-771-4729
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: P55504-0100 · 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
•
GENERAL CHARACTERISTICS ITEM DESCRIPTION: STEEL; 6.750 IN. LG; 3.432 IN. W; FLANGE 4.970 IN. LG; 2.248 IN. W; TWO MTG HOLES 0.415 IN. DIA; 0.507 IN. THICK IN
TECHNICAL CHARACTERISTICS (FLIS)
GENERAL CHARACTERISTICS ITEM DESCRIPTIONSTEEL; 6.750 IN. LG; 3.432 IN. W; FLANGE 4.970 IN. LG; 2.248 IN. W; TWO MTG HOLES 0.415 IN. DIA; 0.507 IN. THICK IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
270289Interchangeable
interchangeable cross-reference
interchangeable
262155Interchangeable
interchangeable cross-reference
interchangeable
SPARTAN778YSTYPESMInterchangeable
interchangeable cross-reference
interchangeable
527647-AInterchangeable
interchangeable cross-reference
interchangeable
466AS206Interchangeable
interchangeable cross-reference
interchangeable
850074Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is P55504-0100?
P55504-0100 is a VALVE,REDUCING ASSEMBLY.
What parts can replace P55504-0100?
There are 7 known substitutes for P55504-0100: 270289, 262155, SPARTAN778YSTYPESM and 4 more. Substitute compatibility should be verified for your specific system.
Is P55504-0100 still available?
P55504-0100 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