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PartsTable / COMPONENT / 1-1/2CXT W/1-1/2 SPOOL PIECE
1-1/2CXT W/1-1/2 SPOOL PIECE ✓ 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 1-1/2CXT W/1-1/2 SPOOL PIECE is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-142-0257, 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
1-1/2CXT W/1-1/2 SPOOL PIECE
NSN: 4820-01-142-0257
FSC: 4820
CAGE: 95368 — AERCO INTERNATIONAL, INC. DBA AERCO INTERNATIONAL INC (USA)
SPECIFICATIONS
Part Number1-1/2CXT W/1-1/2 SPOOL PIECE
NSN4820-01-142-0257
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 1-1/2CXT W/1-1/2 SPOOL PIECE · 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
•
NONDEFINITIVE SPEC/STD DATA: III TYPE AND 1 CLASS AND 100 SERIES
•
FIRST END THREAD DIRECTION: RIGHT-HAND
•
MATERIAL: PLASTIC POLYTETRAFLUOROETHYLENE SEAT
•
SECOND END RELATIONSHIP WITH FIRST END: IDENTICAL
•
TEMP ADJUSTABILITY: NOT ADJUSTABLE
•
TEMP RATING: 392.0 FAHRENHEIT MAXIMUM DEGF
•
BODY STYLE: STRAIGHT THRU
•
FIRST END CONNECTION TYPE: THREADED INTERNAL PIPE
TECHNICAL CHARACTERISTICS (FLIS)
NONDEFINITIVE SPEC/STD DATAIII TYPE AND 1 CLASS AND 100 SERIES
FIRST END THREAD DIRECTIONRIGHT-HAND
MATERIALPLASTIC POLYTETRAFLUOROETHYLENE SEAT
SECOND END RELATIONSHIP WITH FIRST ENDIDENTICAL
TEMP ADJUSTABILITYNOT ADJUSTABLE
TEMP RATING392.0 FAHRENHEIT MAXIMUM DEGF
BODY STYLESTRAIGHT THRU
FIRST END CONNECTION TYPETHREADED INTERNAL PIPE
THREAD SIZE AND SERIES/TYPE DESIGNATOR1.500-11.5 NPT FIRST END
SPECIAL FEATURESMEDIA STEAM
VERIFIED SUBSTITUTES & CROSS-REFERENCES 19
5249Interchangeable
interchangeable cross-reference
interchangeable
D444Interchangeable
interchangeable cross-reference
interchangeable
GGG-D-751 TYBCL1Interchangeable
interchangeable cross-reference
interchangeable
406Interchangeable
interchangeable cross-reference
interchangeable
5598287-1Interchangeable
interchangeable cross-reference
interchangeable
5249-1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1-1/2CXT W/1-1/2 SPOOL PIECE?
1-1/2CXT W/1-1/2 SPOOL PIECE is a 1-1/2CXT W/1-1/2 SPOOL PIECE.
What parts can replace 1-1/2CXT W/1-1/2 SPOOL PIECE?
There are 19 known substitutes for 1-1/2CXT W/1-1/2 SPOOL PIECE: 5249, D444, GGG-D-751 TYBCL1 and 16 more. Substitute compatibility should be verified for your specific system.
Is 1-1/2CXT W/1-1/2 SPOOL PIECE still available?
1-1/2CXT W/1-1/2 SPOOL PIECE 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