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211055149 — INDICATOR,VALVE OPENING

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

211055149: INDICATOR,VALVE OPENING.

The INDICATOR,VALVE OPENING is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING CASE, scale_marking: LETTERS, individual_marking: OPEN;BLEED;SHUT, mounting_hole_diameter: 0.275 INCHES NOMINAL IN, mounting_arrangement_style: TWO HOLE/STUD, scale_marking_transparency: NONLUMINOUS. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-344-0370, 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
211055149
NSN: 4820-01-344-0370
FSC: 4820 — Valves, Nonpowered
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING CASE
scale_markingLETTERS
individual_markingOPEN;BLEED;SHUT
mounting_hole_diameter0.275 INCHES NOMINAL IN
mounting_arrangement_styleTWO HOLE/STUD
scale_marking_transparencyNONLUMINOUS
mounting_facility_type_and_quantity2 THREADED HOLE(S)
distance_between_mounting_facility_centers1.875 INCHES NOMINAL IN
NSN4820-01-344-0370
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 211055149 · 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
•
INDIVIDUAL MARKING: OPEN;BLEED;SHUT
•
MOUNTING FACILITY TYPE AND QUANTITY: 2 THREADED HOLE(S)
•
MOUNTING ARRANGEMENT STYLE: TWO HOLE/STUD
•
SCALE MARKING: LETTERS
•
MOUNTING HOLE DIAMETER: 0.275 INCHES NOMINAL IN
•
SCALE MARKING TRANSPARENCY: NONLUMINOUS
•
DISTANCE BETWEEN MOUNTING FACILITY CENTERS: 1.875 INCHES NOMINAL IN
•
MATERIAL: STEEL CORROSION RESISTING CASE
TECHNICAL CHARACTERISTICS
INDIVIDUAL MARKINGOPEN;BLEED;SHUT
MOUNTING FACILITY TYPE AND QUANTITY2 THREADED HOLE(S)
MOUNTING ARRANGEMENT STYLETWO HOLE/STUD
SCALE MARKINGLETTERS
MOUNTING HOLE DIAMETER0.275 INCHES NOMINAL IN
SCALE MARKING TRANSPARENCYNONLUMINOUS
DISTANCE BETWEEN MOUNTING FACILITY CENTERS1.875 INCHES NOMINAL IN
MATERIALSTEEL CORROSION RESISTING CASE
SUBSTITUTES & CROSS-REFERENCES 4
DF330645Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
801-6408785Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
801-6408785 FIND 27Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
DF330645 FIND 27Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 211055149?
211055149 is a INDICATOR,VALVE OPENING.
What parts can replace 211055149?
There are 4 known substitutes for 211055149: DF330645, 801-6408785, 801-6408785 FIND 27 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 211055149?
211055149 is cataloged in the U.S. Government catalog under NSN 4820-01-344-0370. 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.