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MA040 — GEAR OPERATOR,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

MA040: GEAR OPERATOR,VALVE.

The GEAR OPERATOR,VALVE is a the manufacturer industrial component. Key specifications include material: IRON AND STEEL, gear_ratio: 30TO1, special_features: INCL VALVE POSITION INDICATOR. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-227-1138, 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
MA040
NSN: 4820-01-227-1138
FSC: 4820 — Valves, Nonpowered
CAGE: 53154 — PORTLAND VALVE LLC (USA)
SPECIFICATIONS
materialIRON AND STEEL
gear_ratio30TO1
special_featuresINCL VALVE POSITION INDICATOR
NSN4820-01-227-1138
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: MA040 · 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: IRON AND STEEL
•
GEAR RATIO: 30TO1
TECHNICAL CHARACTERISTICS
SPECIAL FEATURESINCL VALVE POSITION INDICATOR
MATERIALIRON AND STEEL
GEAR RATIO30TO1
OTHER ITEMS IN FSC 4820 — Valves, Nonpowered
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4820-00-000-0097 4820-00-001-0010 4820-00-001-0020 4820-00-001-0021 4820-00-001-0032 4820-00-001-0037 4820-00-001-0042 4820-00-001-1230
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is MA040?
MA040 is a GEAR OPERATOR,VALVE.
What is the NSN for MA040?
MA040 is cataloged in the U.S. Government catalog under NSN 4820-01-227-1138. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
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.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.