PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

D3Valve,flow Control

Marine Electric Systems Inc · NSN 4820-00-251-1555 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-251-1555 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-251-1555. Primary manufacturer part number: D3.
Features
  • Valve,flow Control — FSC 4820
  • 3 verified cross-references
  • Primary manufacturer: Marine Electric Systems Inc
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve,flow Control, cataloged under National Stock Number 4820-00-251-1555, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Marine Electric Systems Inc. This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameValve,flow Control
FSC / FSG4820 — No Item Name Available (FSG 48)
ManufacturersMarine Electric Systems Inc (CAGE 00062); Navistar Intl Corp Melrose Park Engine Plant Location /melrose Park/ (CAGE 92679); Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Pump Division (CAGE 9F512)
Technical Specifications
ParameterValue
NSN4820-00-251-1555
Primary Part NumberD3
Item NameValve,flow Control
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerMarine Electric Systems Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4730-00-034-7752HG861 INTERCHANGEABLE
Coupling Half,quick Disconnect
Lockheed Martin Corporation Div Rms
3110-00-100-8514E3 INTERCHANGEABLE
Bearing,ball,thrust
Abc Acquisition Company Dba Aetna Bearing Company
5905-00-107-7132 INTERCHANGEABLE
Resistor,fixed,composition
3110-00-142-4425 INTERCHANGEABLE
Bearing,ball,airframe
4320-00-336-8912D3 INTERCHANGEABLE
Sleeve,shaft,pump
Circor Naval Solutions Llc Dba Warren Pumps
5915-00-342-6344 INTERCHANGEABLE
Cover,filter Box
5905-00-500-7768 INTERCHANGEABLE
Resistor,fixed,composition
5340-00-724-2883D3 INTERCHANGEABLE
Hinge,tee
Dent Manufacturing Inc
5360-00-955-3189 INTERCHANGEABLE
Spring,helical,compression
6740-01-015-1452 INTERCHANGEABLE
Enlarger System
Cross-Reference Index
Part NumberManufacturer
D3 PRIMARY Marine Electric Systems Inc (USA)
3043250R91 PRIMARY Navistar Intl Corp Melrose Park Engine Plant Location /melrose Park/ (USA)
517-00012 PRIMARY Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Pump Division (USA)
Related Parts
4730-00-034-7752INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
HG861
3110-00-100-8514INTERCHANGEABLE
BEARING,BALL,THRUST
E3
5905-00-107-7132INTERCHANGEABLE
RESISTOR,FIXED,COMPOSITION
3110-00-142-4425INTERCHANGEABLE
BEARING,BALL,AIRFRAME
4320-00-336-8912INTERCHANGEABLE
SLEEVE,SHAFT,PUMP
D3
5915-00-342-6344INTERCHANGEABLE
COVER,FILTER BOX
5905-00-500-7768INTERCHANGEABLE
RESISTOR,FIXED,COMPOSITION
5340-00-724-2883INTERCHANGEABLE
HINGE,TEE
D3
5360-00-955-3189INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
6740-01-015-1452INTERCHANGEABLE
ENLARGER SYSTEM
4330-01-036-5583INTERCHANGEABLE
FILTER ELEMENT,FLUID
D3
5961-01-040-6421INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE

Frequently Asked Questions

What is NSN 4820-00-251-1555?

NSN 4820-00-251-1555 is a Valve,flow Control, manufactured by Marine Electric Systems Inc, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-251-1555?

NSN 4820-00-251-1555 has 3 cross-referenced part numbers: D3 (Marine Electric Systems Inc), 3043250R91 (Navistar Intl Corp Melrose Park Engine Plant Location /melrose Park/), 517-00012 (Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Pump Division).

What NSN replaces 4820-00-251-1555?

There are 12 known substitutes for 4820-00-251-1555: 4730-00-034-7752, 3110-00-100-8514, 5905-00-107-7132 and 9 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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