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1146-089T — INDICATOR,VALVE OPENING

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

1146-089T: INDICATOR,VALVE OPENING.

The INDICATOR,VALVE OPENING is a the manufacturer industrial component. Key specifications include ratchet: NOT INCLUDED, material: ALUMINUM OVERALL, hub_length: 0.578 INCHES NOMINAL IN, drive_width: 0.403 INCHES MINIMUM AND 0.409 INCHES MAXIMUM IN, overall_height: 0.875 INCHES NOMINAL IN, handwheel_style: GRIPS. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-507-0476, 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
1146-089T
NSN: 4820-01-507-0476
NIINs: 015070476, 015073165, 015073212, 015107202, 015108576, 015139617, 015139628, 015398605, 015398610, 016211640
FSC: 4820 — Valves, Nonpowered
CAGE: 76364 — MILWAUKEE VALVE CO, INC DIV MILWAUKEE VALVE COMPANY, LLC (USA)
SPECIFICATIONS
ratchetNOT INCLUDED
materialALUMINUM OVERALL
hub_length0.578 INCHES NOMINAL IN
drive_width0.403 INCHES MINIMUM AND 0.409 INCHES MAXIMUM IN
overall_height0.875 INCHES NOMINAL IN
spoke_quantity4
handwheel_styleGRIPS
outside_diameter3.750 INCHES NOMINAL IN
spoke_angle_in_deg90.0
drive_facility_styleSQUARE
hub_outside_diameter0.750 INCHES NOMINAL IN
end_item_identificationVALVE
NSN4820-01-507-0476
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 1146-089T · 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
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

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 1146-089T?
1146-089T is a INDICATOR,VALVE OPENING.
What is the NSN for 1146-089T?
1146-089T is cataloged in the U.S. Government catalog under NSN 4820-01-507-0476. 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.