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PartsTable / COMPONENT / 40146-2 1/2IN 6
40146-2 1/2IN 6 ✓ 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 40146-2 1/2IN 6 is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-164-7068, 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
40146-2 1/2IN 6
NSN: 4820-01-164-7068
FSC: 4820
CAGE: 55378 — TRAC REGULATOR CO., INC. DBA TRAC REGULATOR CO INC (USA)
SPECIFICATIONS
Part Number40146-2 1/2IN 6
NSN4820-01-164-7068
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 40146-2 1/2IN 6 · 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 DOCUMENT AND CLASSIFICATION: MIL-B-16541 MIL SPEC SINGLE MATERIAL RESPONSE BODY
•
MATERIAL: COPPER ALLOY 922 BODY
•
FIRST END FLANGE SHAPE STYLE: ROUND W/ BOLT HOLES
•
FIRST END CONNECTION TYPE: PLAIN FACE FLANGE
•
END CONNECTION QUANTITY: 2
•
FIRST END STYLE DESIGNATOR: PLAIN
•
BODY STYLE: STRAIGHT THRU
•
FIRST END FLANGE OUTSIDE DIAMETER: 7.000 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-B-16541 MIL SPEC SINGLE MATERIAL RESPONSE BODY
MATERIALCOPPER ALLOY 922 BODY
FIRST END FLANGE SHAPE STYLEROUND W/ BOLT HOLES
FIRST END CONNECTION TYPEPLAIN FACE FLANGE
END CONNECTION QUANTITY2
FIRST END STYLE DESIGNATORPLAIN
BODY STYLESTRAIGHT THRU
FIRST END FLANGE OUTSIDE DIAMETER7.000 INCHES NOMINAL IN
SECOND END RELATIONSHIP WITH FIRST ENDIDENTICAL
FLOW CONTROL DEVICESTEM AND INTEGRAL DISK
VERIFIED SUBSTITUTES & CROSS-REFERENCES 19
6002-857Interchangeable
interchangeable cross-reference
interchangeable
40146Interchangeable
interchangeable cross-reference
interchangeable
CMN4Interchangeable
interchangeable cross-reference
interchangeable
M2-10Interchangeable
interchangeable cross-reference
interchangeable
495-CInterchangeable
interchangeable cross-reference
interchangeable
03000242Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 40146-2 1/2IN 6?
40146-2 1/2IN 6 is a 40146-2 1/2IN 6.
What parts can replace 40146-2 1/2IN 6?
There are 19 known substitutes for 40146-2 1/2IN 6: 6002-857, 40146, CMN4 and 16 more. Substitute compatibility should be verified for your specific system.
Is 40146-2 1/2IN 6 still available?
40146-2 1/2IN 6 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026