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PartsTable / COMPONENT / 1146F208T-.275IN
1146F208T-.275IN ✓ 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 1146F208T-.275IN 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 4820-01-203-5448, 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
1146F208T-.275IN
NSN: 4820-01-203-5448
FSC: 4820
CAGE: 76364 — MILWAUKEE VALVE CO, INC DIV MILWAUKEE VALVE COMPANY, LLC (USA)
SPECIFICATIONS
Part Number1146F208T-.275IN
NSN4820-01-203-5448
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 1146F208T-.275IN · 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
•
FILTER: NOT INCLUDED
•
FIRST END STYLE DESIGNATOR: PLAIN
•
MATERIAL: RUBBER CHLOROPRENE CLASS CR FLOW CONTROL DEVICE
•
BODY STYLE: STRAIGHT THRU
•
FIRST END FLANGE OUTSIDE DIAMETER: 6.125 INCHES NOMINAL IN
•
FACE TO FACE DISTANCE: 11.750 INCHES NOMINAL IN
•
FIRST END FLANGE SHAPE STYLE: ROUND W/ BOLT HOLES
TECHNICAL CHARACTERISTICS (FLIS)
FILTERNOT INCLUDED
FIRST END STYLE DESIGNATORPLAIN
MATERIALRUBBER CHLOROPRENE CLASS CR FLOW CONTROL DEVICE
BODY STYLESTRAIGHT THRU
FIRST END FLANGE OUTSIDE DIAMETER6.125 INCHES NOMINAL IN
MATERIALNICKEL ALLOY STEM
FACE TO FACE DISTANCE11.750 INCHES NOMINAL IN
FIRST END FLANGE SHAPE STYLEROUND W/ BOLT HOLES
FIRST END BOLT CIRCLE DIAMETER5.000 INCHES NOMINAL IN
FIRST END BOLT HOLE QUANTITY6
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
203047Interchangeable
interchangeable cross-reference
interchangeable
N58-1Interchangeable
interchangeable cross-reference
interchangeable
30 N581 25TO60PSIInterchangeable
Same NIIN cross-reference
interchangeable
30 N581 25TO60PInterchangeable
Same NIIN cross-reference
interchangeable
30 N581 25T60PSInterchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1146F208T-.275IN?
1146F208T-.275IN is a 1146F208T-.275IN.
What parts can replace 1146F208T-.275IN?
There are 5 known substitutes for 1146F208T-.275IN: 203047, N58-1, 30 N581 25TO60PSI and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1146F208T-.275IN?
1146F208T-.275IN is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-203-5448. 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