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455128 — VALVE,REGULATING,FLUID PRESSURE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

455128: VALVE,REGULATING,FLUID PRESSURE.

VALVE,REGULATING,FLUID PRESSURE. Key specifications include material: COPPER ALLOY BODY, flow_control_device: DISK, valve_loading_method: SPRING. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-199-3085, 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
455128
NSN: 4820-01-199-3085
FSC: 4820 — Valves, Nonpowered
CAGE: 07524 — DOVER PUMPS & PROCESS SOLUTIONS SEGMENT INC DBA BLACKMER DIV BLACKMER (USA)
SPECIFICATIONS
materialCOPPER ALLOY BODY
flow_control_deviceDISK
valve_loading_methodSPRING
NSN4820-01-199-3085
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 455128 · 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
•
FLOW CONTROL DEVICE: DISK
•
VALVE LOADING METHOD: SPRING
•
MATERIAL: COPPER ALLOY BODY
TECHNICAL CHARACTERISTICS
FLOW CONTROL DEVICEDISK
VALVE LOADING METHODSPRING
MATERIALCOPPER ALLOY BODY
SUBSTITUTES & CROSS-REFERENCES 2
E-3595 PIECE 9Reference document
Same NSN cross-reference
Reference document — Secondary reference
E-3595Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
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 455128?
455128 is a VALVE,REGULATING,FLUID PRESSURE.
What parts can replace 455128?
There are 2 known substitutes for 455128: E-3595 PIECE 9, E-3595. Substitute compatibility should be verified for your specific system.
What is the NSN for 455128?
455128 is cataloged in the U.S. Government catalog under NSN 4820-01-199-3085. 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.