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Technical Data Sheet
PartsTable / COMPONENT / 3118-3.125 ITEM 2
3118-3.125 ITEM 2 ✓ 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 3118-3.125 ITEM 2 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 4820-01-194-2167, 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
3118-3.125 ITEM 2
NSN: 4820-01-194-2167
FSC: 4820
CAGE: 15187 — EMERSON AUTOMATION SOLUTIONS FINAL CONTROL US LP DIV NAVY PRODUCT TEAM (USA)
SPECIFICATIONS
Part Number3118-3.125 ITEM 2
NSN4820-01-194-2167
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 3118-3.125 ITEM 2 · 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: COPPER ALLOY
•
STYLE DESIGNATOR: POPPET
•
TEMP RATING: 400.0 FAHRENHEIT NOMINAL DEGF
•
PRESSURE RATING: 150.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALCOPPER ALLOY
STYLE DESIGNATORPOPPET
TEMP RATING400.0 FAHRENHEIT NOMINAL DEGF
PRESSURE RATING150.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
31183Interchangeable
interchangeable cross-reference
interchangeable
GGG-D-296Interchangeable
interchangeable cross-reference
interchangeable
31-243-BInterchangeable
interchangeable cross-reference
interchangeable
A77312Interchangeable
interchangeable cross-reference
interchangeable
B2556.001.123Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 3118-3.125 ITEM 2?
3118-3.125 ITEM 2 is a 3118-3.125 ITEM 2.
What parts can replace 3118-3.125 ITEM 2?
There are 5 known substitutes for 3118-3.125 ITEM 2: 31183, GGG-D-296, 31-243-B and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 3118-3.125 ITEM 2?
3118-3.125 ITEM 2 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-194-2167. 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