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Technical Data Sheet
PartsTable / COMPONENT / 1384 1.25IN12T3
1384 1.25IN12T3 ✓ 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 1384 1.25IN12T3 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 4820-01-222-2716, 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
1384 1.25IN12T3
NSN: 4820-01-222-2716
FSC: 4820
CAGE: 35795 — LESLIE CONTROLS, INC. DBA LESLIE CONTROLS INC (USA)
SPECIFICATIONS
Part Number1384 1.25IN12T3
NSN4820-01-222-2716
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 1384 1.25IN12T3 · 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
•
FLOW CONTROL DEVICE: DISK
•
DISK LOADING METHOD: SPRING
•
MATERIAL: NICKEL ALLOY 400 STEM
•
MEDIA FOR WHICH DESIGNED: AIR SECOND RESPONSE
•
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 1.250 INCHES ALL ENDS IN
•
STYLE DESIGNATOR: ANGLE
•
MAXIMUM OPERATING TEMP: 180.0 FAHRENHEIT SINGLE RESPONSE DEGF
TECHNICAL CHARACTERISTICS (FLIS)
FLOW CONTROL DEVICEDISK
DISK LOADING METHODSPRING
MATERIALNICKEL ALLOY 400 STEM
MEDIA FOR WHICH DESIGNEDAIR SECOND RESPONSE
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED1.250 INCHES ALL ENDS IN
STYLE DESIGNATORANGLE
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR FLOW CONTROL DEVICE
MAXIMUM OPERATING TEMP180.0 FAHRENHEIT SINGLE RESPONSE DEGF
CONNECTION STYLESOCKET WITH BRAZING RING (TUBE) ALL ENDS
MEDIA FOR WHICH DESIGNEDWATER, FRESH FIRST RESPONSE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 21
1385PL4141 11/2IN 30TO50PSIInterchangeable
interchangeable cross-reference
interchangeable
C3459Interchangeable
interchangeable cross-reference
interchangeable
1384 PL4141 1-1-2IN 30T50PSIInterchangeable
interchangeable cross-reference
interchangeable
1385 2IN 2385H228Interchangeable
interchangeable cross-reference
interchangeable
C3459 AND 4136A 130T200PSIInterchangeable
interchangeable cross-reference
interchangeable
1384 2IN AND 4136A 130T200PSIInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1384 1.25IN12T3?
1384 1.25IN12T3 is a 1384 1.25IN12T3.
What parts can replace 1384 1.25IN12T3?
There are 21 known substitutes for 1384 1.25IN12T3: 1385PL4141 11/2IN 30TO50PSI, C3459, 1384 PL4141 1-1-2IN 30T50PSI and 18 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1384 1.25IN12T3?
1384 1.25IN12T3 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-222-2716. 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