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FMYB-5120 — INDICATOR,VALVE OPENING

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

FMYB-5120: INDICATOR,VALVE OPENING.

The INDICATOR,VALVE OPENING is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING CASE, current_type: AC, ac_voltage_rating: 250.0 VOLTS NOMINAL, presentation_type: INDICATOR LIGHT, end_item_identification: VALVE, INDICATOR, part_name_assigned_by_controlling_agency: INDICATOR, VALVE. This part is cataloged in the U.S.

Government catalog under NSN 4810-01-583-6739, 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
FMYB-5120
NSN: 4810-01-583-6739
FSC: 4810 — Valves, Powered
CAGE: 0V203 — DEACON INDUSTRIAL SUPPLY CO INC (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING CASE
current_typeAC
special_featuresWATCHMAN SERIES; WITH INDICATOR; INDICATOR TYPE=BLACK/YELLOW STANDARD; BRONZE BEARING; SWITCH-SENSOR TYPE=MECHANICAL SPDT 15A-250VAC; 1 SWITCH; CONDUIT CONNECTION-2-1/2" F NPT VAC
ac_voltage_rating250.0 VOLTS NOMINAL
presentation_typeINDICATOR LIGHT
end_item_identificationVALVE, INDICATOR
electrical_connection_quantity3
part_name_assigned_by_controlling_agencyINDICATOR, VALVE
NSN4810-01-583-6739
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: FMYB-5120 · 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
•
AC VOLTAGE RATING: 250.0 VOLTS NOMINAL
•
CURRENT TYPE: AC
•
ELECTRICAL CONNECTION QUANTITY: 3
•
PRESENTATION TYPE: INDICATOR LIGHT
•
MATERIAL: STEEL CORROSION RESISTING CASE
TECHNICAL CHARACTERISTICS
AC VOLTAGE RATING250.0 VOLTS NOMINAL
CURRENT TYPEAC
ELECTRICAL CONNECTION QUANTITY3
PRESENTATION TYPEINDICATOR LIGHT
SPECIAL FEATURESWATCHMAN SERIES; WITH INDICATOR; INDICATOR TYPE=BLACK/YELLOW STANDARD; BRONZE BEARING; SWITCH-SENSOR TYPE=MECHANICAL SPDT 15A-250VAC; 1 SWITCH; CONDUIT CONNECTION-2-1/2" F NPT VAC
PART NAME ASSIGNED BY CONTROLLING AGENCYINDICATOR, VALVE
END ITEM IDENTIFICATIONVALVE, INDICATOR
MATERIALSTEEL CORROSION RESISTING CASE
OTHER ITEMS IN FSC 4810 — Valves, Powered
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4810-00-001-1247 4810-00-001-4499 4810-00-001-4531 4810-00-001-4532 4810-00-001-4554 4810-00-001-4555 4810-00-001-4556 4810-00-001-4611
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 FMYB-5120?
FMYB-5120 is a INDICATOR,VALVE OPENING.
What is the NSN for FMYB-5120?
FMYB-5120 is cataloged in the U.S. Government catalog under NSN 4810-01-583-6739. 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.