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1146-052S-200 — 1146-052S-200

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

1146-052S-200: 1146-052S-200.

The 1146-052S-200 is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 4820-01-452-1683, 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
1146-052S-200
NSN: 4820-01-452-1683
FSC: 4820 — Valves, Nonpowered
CAGE: 76364 — MILWAUKEE VALVE CO, INC DIV MILWAUKEE VALVE COMPANY, LLC (USA)
SPECIFICATIONS
Part Number1146-052S-200
NSN4820-01-452-1683
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 1146-052S-200 · 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
•
INLET RELATIONSHIP WITH OUTLET: IDENTICAL
•
CONNECTION TYPE: SOCKET, WELD, TUBE
•
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 2.156 INCHES IN
•
VALVE SIZE: 2.000 INCHES IN
•
MATERIAL: COPPER ALLOY BODY
•
VALVE OPERATION METHOD: MANUAL
TECHNICAL CHARACTERISTICS
INLET RELATIONSHIP WITH OUTLETIDENTICAL
CONNECTION TYPESOCKET, WELD, TUBE
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED2.156 INCHES IN
VALVE SIZE2.000 INCHES IN
SPECIAL FEATURESPOLYTETRAFLUOROETHYLENE O-RINGS; VITTON PACKING
END ITEM IDENTIFICATIONNIMITZ CLASS CVN
MATERIALCOPPER ALLOY BODY
VALVE OPERATION METHODMANUAL
SUBSTITUTES & CROSS-REFERENCES 3
1146-082S 2INReference document
Same NSN cross-reference
Reference document — Design control — primary reference
1146-0825-200Reference document
Same NSN cross-reference
Reference document — Secondary reference
1146-082-J-0001Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 1146-052S-200?
1146-052S-200 is a 1146-052S-200.
What parts can replace 1146-052S-200?
There are 3 known substitutes for 1146-052S-200: 1146-082S 2IN, 1146-0825-200, 1146-082-J-0001. Substitute compatibility should be verified for your specific system.
What is the NSN for 1146-052S-200?
1146-052S-200 is cataloged in the U.S. Government catalog under NSN 4820-01-452-1683. This indicates validated use in U.S. government and defense supply chains.
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PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.