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PartsTable / COMPONENT / P39-433M PIECE 56
P39-433M PIECE 56 ✓ 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 BARREL ASSEMBLY,VALVE is a the manufacturer industrial component. Key specifications include general_characteristics_item_description: MONEL WITH POLYTETRAFLUOROETHYLENE SEAL,4.600 IN. O/A LENGTH,1.200 IN.

OUTSIDE DIAMETER OF BARREL 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 4820-01-012-6439, 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
P39-433M PIECE 56
NSN: 4820-01-012-6439
FSC: 4820
CAGE: 91816 — CIRCOR AEROSPACE, INC. DBA CIRCOR AEROSPACE INC (USA)
SPECIFICATIONS
general_characteristics_item_descriptionMONEL WITH POLYTETRAFLUOROETHYLENE SEAL,4.600 IN. O/A LENGTH,1.200 IN. OUTSIDE DIAMETER OF BARREL IN
NSN4820-01-012-6439
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: P39-433M PIECE 56 · 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: MONEL WITH POLYTETRAFLUOROETHYLENE SEAL,4.600 IN. O/A LENGTH,1.200 IN. OUTSIDE DIAMETER OF BARREL IN
TECHNICAL CHARACTERISTICS (FLIS)
GENERAL CHARACTERISTICS ITEM DESCRIPTIONMONEL WITH POLYTETRAFLUOROETHYLENE SEAL,4.600 IN. O/A LENGTH,1.200 IN. OUTSIDE DIAMETER OF BARREL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
5939Interchangeable
interchangeable cross-reference
interchangeable
059394Interchangeable
interchangeable cross-reference
interchangeable
GG-T-353 TYPE 1Interchangeable
interchangeable cross-reference
interchangeable
GG-T-353Interchangeable
interchangeable cross-reference
interchangeable
1801161Interchangeable
interchangeable cross-reference
interchangeable
2339644Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is P39-433M PIECE 56?
P39-433M PIECE 56 is a BARREL ASSEMBLY,VALVE.
What parts can replace P39-433M PIECE 56?
There are 11 known substitutes for P39-433M PIECE 56: 5939, 059394, GG-T-353 TYPE 1 and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for P39-433M PIECE 56?
P39-433M PIECE 56 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-012-6439. 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