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Technical Data Sheet
PartsTable / COMPONENT / SK3-G3/4"-DN20
SK3-G3/4"-DN20 ✓ 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 SK3-G3/4"-DN20 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 4820-01-303-1147, 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
SK3-G3/4"-DN20
NSN: 4820-01-303-1147
FSC: 4820
CAGE: 16236 — DLA LAND AND MARITIME DBA ENGINEERING AND TECHNICAL SUPPORT DIV DOCUMENT STANDARDIZATION DIVISION (VENDOR ITEM DRAWINGS) (USA)
SPECIFICATIONS
Part NumberSK3-G3/4"-DN20
NSN4820-01-303-1147
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: SK3-G3/4"-DN20 · 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
•
Generation 3 Platform
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
12220Interchangeable
interchangeable cross-reference
interchangeable
2012-T 20Interchangeable
interchangeable cross-reference
interchangeable
150 20Interchangeable
interchangeable cross-reference
interchangeable
24095Interchangeable
interchangeable cross-reference
interchangeable
RE1066-1Interchangeable
interchangeable cross-reference
interchangeable
D168391Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is SK3-G3/4"-DN20?
SK3-G3/4"-DN20 is a SK3-G3/4"-DN20.
What parts can replace SK3-G3/4"-DN20?
There are 16 known substitutes for SK3-G3/4"-DN20: 12220, 2012-T 20, 150 20 and 13 more. Substitute compatibility should be verified for your specific system.
What is the NSN for SK3-G3/4"-DN20?
SK3-G3/4"-DN20 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-303-1147. 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