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Technical Data Sheet
PartsTable / COMPONENT / Z-3343-B PC.4
Z-3343-B PC.4 ✓ 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 Z-3343-B PC.4 is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-220-7082, 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
Z-3343-B PC.4
NSN: 4820-01-220-7082
FSC: 4820
CAGE: 62753 — XOMOX CORP SUB OF EMERSON ELECTRIC CO (USA)
SPECIFICATIONS
Part NumberZ-3343-B PC.4
NSN4820-01-220-7082
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: Z-3343-B PC.4 · 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
•
MATERIAL: PLASTIC POLYTETRAFLUOROETHYLENE
•
STYLE DESIGNATOR: FLAT
•
OUTSIDE DIAMETER: 3.000 INCHES NOMINAL IN
•
CRITICALITY CODE JUSTIFICATION: ZZZY
•
MATERIAL THICKNESS: 0.063 INCHES NOMINAL IN
•
CENTER HOLE DIAMETER: 1.130 INCHES MINIMUM AND 1.135 INCHES MAXIMUM IN
•
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS: MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALPLASTIC POLYTETRAFLUOROETHYLENE
STYLE DESIGNATORFLAT
OUTSIDE DIAMETER3.000 INCHES NOMINAL IN
CRITICALITY CODE JUSTIFICATIONZZZY
MATERIAL THICKNESS0.063 INCHES NOMINAL IN
CENTER HOLE DIAMETER1.130 INCHES MINIMUM AND 1.135 INCHES MAXIMUM IN
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSMATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
Z3343B4Interchangeable
interchangeable cross-reference
interchangeable
012388Interchangeable
interchangeable cross-reference
interchangeable
29377Interchangeable
interchangeable cross-reference
interchangeable
029377Interchangeable
interchangeable cross-reference
interchangeable
09-29377Interchangeable
interchangeable cross-reference
interchangeable
3871348Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is Z-3343-B PC.4?
Z-3343-B PC.4 is a Z-3343-B PC.4.
What parts can replace Z-3343-B PC.4?
There are 8 known substitutes for Z-3343-B PC.4: Z3343B4, 012388, 29377 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for Z-3343-B PC.4?
Z-3343-B PC.4 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-220-7082. 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