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PartsTable / COMPONENT / P40-433 PIECE 41
P40-433 PIECE 41 ✓ 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 POPPET ASSEMBLY is a the manufacturer industrial component. Key specifications include general_characteristics_item_description: BRASS BODY W/SPRING LOADED POPPET AND MANUAL ACTUATOR BUTTON,0.625-18 UNF EXTERNAL MTG THD,1.725 IN. O/A LG IN.

This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-011-4384, 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
P40-433 PIECE 41
NSN: 4820-01-011-4384
FSC: 4820
CAGE: 91816 — CIRCOR AEROSPACE, INC. DBA CIRCOR AEROSPACE INC (USA)
SPECIFICATIONS
general_characteristics_item_descriptionBRASS BODY W/SPRING LOADED POPPET AND MANUAL ACTUATOR BUTTON,0.625-18 UNF EXTERNAL MTG THD,1.725 IN. O/A LG IN
NSN4820-01-011-4384
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: P40-433 PIECE 41 · 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: BRASS BODY W/SPRING LOADED POPPET AND MANUAL ACTUATOR BUTTON,0.625-18 UNF EXTERNAL MTG THD,1.725 IN. O/A LG IN
TECHNICAL CHARACTERISTICS (FLIS)
GENERAL CHARACTERISTICS ITEM DESCRIPTIONBRASS BODY W/SPRING LOADED POPPET AND MANUAL ACTUATOR BUTTON,0.625-18 UNF EXTERNAL MTG THD,1.725 IN. O/A LG IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
P67061Interchangeable
interchangeable cross-reference
interchangeable
LA1139-11Interchangeable
interchangeable cross-reference
interchangeable
A33Interchangeable
interchangeable cross-reference
interchangeable
325C120Interchangeable
interchangeable cross-reference
interchangeable
SM-D-192430Interchangeable
interchangeable cross-reference
interchangeable
1828-1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is P40-433 PIECE 41?
P40-433 PIECE 41 is a POPPET ASSEMBLY.
What parts can replace P40-433 PIECE 41?
There are 12 known substitutes for P40-433 PIECE 41: P67061, LA1139-11, A33 and 9 more. Substitute compatibility should be verified for your specific system.
What is the NSN for P40-433 PIECE 41?
P40-433 PIECE 41 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-011-4384. 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