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PartsTable / COMPONENT / P39-433M PIECE 12
P39-433M PIECE 12 ✓ 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 DISK,VALVE is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY, thread_class: 3A A, overall_height: 2.415 INCHES NOMINAL IN, outside_diameter: 1.732 INCHES NOMINAL IN, nominal_thread_size: 1.000 INCHES IN, thread_series_designator: UNEF. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-012-6968, 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 12
NSN: 4820-01-012-6968
FSC: 4820
CAGE: 91816 — CIRCOR AEROSPACE, INC. DBA CIRCOR AEROSPACE INC (USA)
SPECIFICATIONS
materialNICKEL ALLOY
thread_class3A A
overall_height2.415 INCHES NOMINAL IN
outside_diameter1.732 INCHES NOMINAL IN
nominal_thread_size1.000 INCHES IN
thread_series_designatorUNEF
NSN4820-01-012-6968
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: P39-433M PIECE 12 · 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
•
THREAD CLASS: 3A A
•
MATERIAL: NICKEL ALLOY
•
THREAD SERIES DESIGNATOR: UNEF
•
NOMINAL THREAD SIZE: 1.000 INCHES IN
•
OUTSIDE DIAMETER: 1.732 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
THREAD CLASS3A A
MATERIALNICKEL ALLOY
THREAD SERIES DESIGNATORUNEF
NOMINAL THREAD SIZE1.000 INCHES IN
OUTSIDE DIAMETER1.732 INCHES NOMINAL IN
OVERALL HEIGHT2.415 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 20
18280Interchangeable
interchangeable cross-reference
interchangeable
99118280Interchangeable
interchangeable cross-reference
interchangeable
93L03X1EInterchangeable
interchangeable cross-reference
interchangeable
103KSZInterchangeable
interchangeable cross-reference
interchangeable
376P141Interchangeable
interchangeable cross-reference
interchangeable
SK-69540Interchangeable
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 12?
P39-433M PIECE 12 is a DISK,VALVE.
What parts can replace P39-433M PIECE 12?
There are 20 known substitutes for P39-433M PIECE 12: 18280, 99118280, 93L03X1E and 17 more. Substitute compatibility should be verified for your specific system.
What is the NSN for P39-433M PIECE 12?
P39-433M PIECE 12 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-012-6968. 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