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M46-1-MH AND MPL2274 — Technical Data Sheet

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— · 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 CARTRIDGE,NEEDLE VALVE is a the manufacturer industrial component. Key specifications include material: RUBBER NATURAL SIDES OF HEAD, base_style: SUB-MIDGET FLANGED, body_width: 1.620 INCHES NOMINAL IN, body_height: 2.000 INCHES NOMINAL IN, body_length: 1.620 INCHES NOMINAL IN, construction: LAMINATED. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System under NSN 4820-01-415-1795, 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
M46-1-MH AND MPL2274
NSN: 4820-01-415-1795
FSC: 4820
CAGE: 0ASY6 — DERBYSHIRE MARINE PRODUCTS, LLC DBA DERBYSHIRE MARINE PRODUCTS LLC (USA)
SPECIFICATIONS
materialRUBBER NATURAL SIDES OF HEAD
base_styleSUB-MIDGET FLANGED
body_width1.620 INCHES NOMINAL IN
body_height2.000 INCHES NOMINAL IN
body_length1.620 INCHES NOMINAL IN
constructionLAMINATED
nominal_width0.531 INCHES IN
conductor_formSTRANDED ALL CONDUCTORS
inclosure_typeHERMETICALLY SEALED
overall_length49.438 INCHES IN
voltage_rating28.000 VOLTS NOMINAL
bulb_designatorT-1
NSN4820-01-415-1795
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: M46-1-MH AND MPL2274 · 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 24
63357InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
81627InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
AX227AInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
657658InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
43007018-4InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
OL-6839InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVEGOVERNMENT REGISTRY
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is M46-1-MH AND MPL2274?
M46-1-MH AND MPL2274 is a CARTRIDGE,NEEDLE VALVE.
What parts can replace M46-1-MH AND MPL2274?
There are 24 known substitutes for M46-1-MH AND MPL2274: 63357, 81627, AX227A and 21 more. Substitute compatibility should be verified for your specific system.
What is the NSN for M46-1-MH AND MPL2274?
M46-1-MH AND MPL2274 is cataloged in the Federal Logistics Information System under NSN 4820-01-415-1795. 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: September 2026