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PartsTable / COMPONENT / 1977-MA346H21002
1977-MA346H21002 ✓ 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

HEATING ELEMENT,ELECTRICAL,NONIM. Key specifications include material: STEEL CORROSION RESISTING OVERALL, lens_type: CONVEX, SNAP SINGLE LIGHT FIRST POSITION HORIZONTAL, fork_depth: 0.562 INCHES NOMINAL IN, head_style: KNURLED NO. 1, lens_color: RED SINGLE LIGHT FIRST POSITION HORIZONTAL, shaft_type: ROUND SINGLE ACTUATOR.

This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-092-9220, 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
1977-MA346H21002
NSN: 4820-01-092-9220
FSC: 4820
CAGE: 55683 — WHEELER FLEET SOLUTIONS, CO. (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
lens_typeCONVEX, SNAP SINGLE LIGHT FIRST POSITION HORIZONTAL
fork_depth0.562 INCHES NOMINAL IN
head_styleKNURLED NO. 1
lens_colorRED SINGLE LIGHT FIRST POSITION HORIZONTAL
shaft_typeROUND SINGLE ACTUATOR
stem_styleTAPERED AND GROOVED
body_length0.687 INCHES NOMINAL IN
design_typeCURVED
head_height0.125 INCHES NOMINAL IN
hose_length300.000 INCHES NOMINAL IN
point_styleFLAT
NSN4820-01-092-9220
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 1977-MA346H21002 · 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 7
11-1118Interchangeable
interchangeable cross-reference
interchangeable
11-7083Interchangeable
interchangeable cross-reference
interchangeable
2887926Interchangeable
interchangeable cross-reference
interchangeable
2887926-2Interchangeable
interchangeable cross-reference
interchangeable
412-48Interchangeable
interchangeable cross-reference
interchangeable
MA346H-21002Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1977-MA346H21002?
1977-MA346H21002 is a HEATING ELEMENT,ELECTRICAL,NONIM.
What parts can replace 1977-MA346H21002?
There are 7 known substitutes for 1977-MA346H21002: 11-1118, 11-7083, 2887926 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1977-MA346H21002?
1977-MA346H21002 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-092-9220. 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