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Technical Data Sheet
PartsTable / COMPONENT / 3,285,478 PIECE 12
3,285,478 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 3,285,478 PIECE 12 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 4820-01-197-8936, 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
3,285,478 PIECE 12
NSN: 4820-01-197-8936
FSC: 4820
CAGE: 80064 — NAVAL SHIP SYSTEMS COMMAND (USA)
SPECIFICATIONS
Part Number3,285,478 PIECE 12
NSN4820-01-197-8936
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 3,285,478 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
•
CONNECTION TYPE: THREADED INTERNAL PIPE ALL ENDS
•
BONNET TYPE: INSIDE SCREW
•
OPERATING PRESSURE: 600.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
•
BONNET ATTACHMENT METHOD: THREADED
•
MATERIAL: COPPER ALLOY BODY
•
MEDIA FOR WHICH DESIGNED: WATER-OIL-GAS SINGLE RESPONSE
•
VALVE OPERATION METHOD: MANUAL
•
CONNECTION STYLE: PLAIN,OPTIONAL END(PIPE) ALL ENDS
TECHNICAL CHARACTERISTICS (FLIS)
CONNECTION TYPETHREADED INTERNAL PIPE ALL ENDS
BONNET TYPEINSIDE SCREW
OPERATING PRESSURE600.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
BONNET ATTACHMENT METHODTHREADED
MATERIALCOPPER ALLOY BODY
MEDIA FOR WHICH DESIGNEDWATER-OIL-GAS SINGLE RESPONSE
VALVE OPERATION METHODMANUAL
CONNECTION STYLEPLAIN,OPTIONAL END(PIPE) ALL ENDS
FLOW CONTROL DEVICEDISK
STYLE DESIGNATORSTRAIGHT THRU
VERIFIED SUBSTITUTES & CROSS-REFERENCES 23
43110Interchangeable
interchangeable cross-reference
interchangeable
43130Interchangeable
Tweezers,craftsman's
interchangeable
EROP3CSAInterchangeable
Tweezers,craftsman's
interchangeable
995158-01Interchangeable
interchangeable cross-reference
interchangeable
12-430-00-001Interchangeable
interchangeable cross-reference
interchangeable
50060680Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 3,285,478 PIECE 12?
3,285,478 PIECE 12 is a 3,285,478 PIECE 12.
What parts can replace 3,285,478 PIECE 12?
There are 23 known substitutes for 3,285,478 PIECE 12: 43110, 43130, EROP3CSA and 20 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 3,285,478 PIECE 12?
3,285,478 PIECE 12 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-197-8936. 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