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H3299577 — INDICATOR,VALVE OPENING

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

H3299577: INDICATOR,VALVE OPENING.

The INDICATOR,VALVE OPENING is a the manufacturer industrial component. Key specifications include material: STEEL, outside_diameter: 5.125 INCHES NOMINAL IN, special_features: 5.000 IN. BOLT CIRCLE; 4 HOLES 0.188 IN.DIA IN, general_characteristics_item_description: CORROSION RESISTING STEEL;2.188 IN.LG;0.750 IN.DIA;0.625-11 UNC THD IN.

This part is cataloged in the U.S. Government catalog under NSN 4820-01-210-0408, 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
H3299577
NSN: 4820-01-210-0408
NIINs: 012100408, 012100409, 012112200
FSC: 4820 — Valves, Nonpowered
CAGE: 80064 — NAVAL SHIP SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialSTEEL
outside_diameter5.125 INCHES NOMINAL IN
special_features5.000 IN. BOLT CIRCLE; 4 HOLES 0.188 IN.DIA IN
general_characteristics_item_descriptionCORROSION RESISTING STEEL;2.188 IN.LG;0.750 IN.DIA;0.625-11 UNC THD IN
NSN4820-01-210-0408
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: H3299577 · 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
•
OUTSIDE DIAMETER: 5.125 INCHES NOMINAL IN
•
MATERIAL: STEEL
TECHNICAL CHARACTERISTICS
OUTSIDE DIAMETER5.125 INCHES NOMINAL IN
SPECIAL FEATURES5.000 IN. BOLT CIRCLE; 4 HOLES 0.188 IN.DIA IN
MATERIALSTEEL
SUBSTITUTES & CROSS-REFERENCES 4
H3299577 PIECE 14Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
89456Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
5VQE72 PIECE 14Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
5VQE72Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
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 H3299577?
H3299577 is a INDICATOR,VALVE OPENING.
What parts can replace H3299577?
There are 4 known substitutes for H3299577: H3299577 PIECE 14, 89456, 5VQE72 PIECE 14 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for H3299577?
H3299577 is cataloged in the U.S. Government catalog under NSN 4820-01-210-0408. 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.