PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1623Valve

Dresser Industries Inc Masoneilan North American Opns · NSN 4820-00-803-8445 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-803-8445 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-803-8445. Primary manufacturer part number: 1623.
Features
  • Valve — FSC 4820
  • 1 verified cross-reference
  • Primary manufacturer: Dresser Industries Inc Masoneilan North American Opns
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve, cataloged under National Stock Number 4820-00-803-8445, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Dresser Industries Inc Masoneilan North American Opns. This item has 1 commercial cross-reference from 1 manufacturer, 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
FSC / FSG4820 — No Item Name Available (FSG 48)
ManufacturersDresser Industries Inc Masoneilan North American Opns (CAGE 90723)
Technical Specifications
ParameterValue
NSN4820-00-803-8445
Primary Part Number1623
Item NameValve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerDresser Industries Inc Masoneilan North American Opns
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5355-00-152-83530L1170 INTERCHANGEABLE
Knob
Caterpillar Inc Div Caterpillar Defense
6240-00-155-7900 INTERCHANGEABLE
Lamp,incandescent
5360-00-312-67851623 INTERCHANGEABLE
Spring,helical,torsion
Fairbanks Morse, Llc
5120-00-529-2727TL-690 INTERCHANGEABLE
Repair Tool,pneumatic Tire Valve
Haltec Corp
3110-00-554-3232204S INTERCHANGEABLE
Bearing,ball,annular
Skf Usa Inc.
5950-00-648-4412D0-T23 INTERCHANGEABLE
Transformer,audio Frequency
Magnetika Inc
5330-00-744-133016-23 INTERCHANGEABLE
Ring,wiper
Hydranamics Inc
5910-00-852-1523160P33296 INTERCHANGEABLE
Capacitor,fixed,plastic Dielectr
Sprague Electric Co World Hqs
5950-00-892-82241623 INTERCHANGEABLE
Transformer,current
Hickok Waekon Llc
6110-01-062-99303CD115-4731-1 INTERCHANGEABLE
Regulator,voltage
Electric Regulator Corp
Cross-Reference Index
Part NumberManufacturer
1623 Dresser Industries Inc Masoneilan North American Opns (USA)
Related Parts
5355-00-152-8353INTERCHANGEABLE
KNOB
0L1170
6240-00-155-7900INTERCHANGEABLE
LAMP,INCANDESCENT
5360-00-312-6785INTERCHANGEABLE
SPRING,HELICAL,TORSION
1623
5120-00-529-2727INTERCHANGEABLE
REPAIR TOOL,PNEUMATIC TIRE VALVE
TL-690
3110-00-554-3232INTERCHANGEABLE
BEARING,BALL,ANNULAR
204S
5950-00-648-4412INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
D0-T23
5330-00-744-1330INTERCHANGEABLE
RING,WIPER
16-23
5910-00-852-1523INTERCHANGEABLE
CAPACITOR,FIXED,PLASTIC DIELECTR
160P33296
5950-00-892-8224INTERCHANGEABLE
TRANSFORMER,CURRENT
1623
6110-01-062-9930INTERCHANGEABLE
REGULATOR,VOLTAGE
3CD115-4731-1
5905-01-096-3663INTERCHANGEABLE
RESISTOR
1623
4330-01-132-4842INTERCHANGEABLE
FILTER ELEMENT,FLUID
25010643

Frequently Asked Questions

What is NSN 4820-00-803-8445?

NSN 4820-00-803-8445 is a Valve, manufactured by Dresser Industries Inc Masoneilan North American Opns, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-803-8445?

NSN 4820-00-803-8445 has 1 cross-referenced part number: 1623 (Dresser Industries Inc Masoneilan North American Opns).

What NSN replaces 4820-00-803-8445?

There are 12 known substitutes for 4820-00-803-8445: 5355-00-152-8353, 6240-00-155-7900, 5360-00-312-6785 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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