PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1890-00Diaphragm,valve,flat

Trac Regulator Co., Inc. Dba Trac Regulator Co Inc · NSN 4820-00-410-5822 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-410-5822 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-410-5822. Primary manufacturer part number: 1890-00.
Features
  • Diaphragm,valve,flat — FSC 4820
  • Material: STEEL CORROSION RESISTING
  • 3 verified cross-references
  • Primary manufacturer: Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel Corrosion Resisting construction
General Description

The Diaphragm,valve,flat, cataloged under National Stock Number 4820-00-410-5822, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Trac Regulator Co., Inc. Dba Trac Regulator Co Inc. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-00-410-5822
Primary Part Number1890-00
Item NameDiaphragm,valve,flat
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerTrac Regulator Co., Inc. Dba Trac Regulator Co Inc
StatusACTIVE
MaterialSTEEL CORROSION RESISTING
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5950-00-239-9445SCC60934 INTERCHANGEABLE
Transformer,power
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5935-00-590-386533-1890-1 INTERCHANGEABLE
Adapter,connector
Amphenol Corporation Div Amphenol Rf
9150-01-095-5512L0189.001 INTERCHANGEABLE
Grease,ball and Roller Bearing
Fiske Bros Refining Co
5315-01-097-5027 INTERCHANGEABLE
Pin,polarization
6665-01-149-8635 INTERCHANGEABLE
Globe Assembly,meter
6240-01-344-6667 INTERCHANGEABLE
Lamp,incandescent
6515-01-588-6886EG-2990I INTERCHANGEABLE
Endoscopic Instrument,fiber Opti
Pentax of America, Inc. Dba Pentax Medical Div Pentax Medical
7025-01-620-3512189000 INTERCHANGEABLE
Interface Unit,automatic Data Pr
East Coast Datacom Inc Dba East Coast Datacom Inc
Cross-Reference Index
Part NumberManufacturer
1890-1 Lawler Manufacturing Company, Inc. (USA)
1890-00 PRIMARY Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA)
1890-00 Lawler Manufacturing Company, Inc. (USA)
Related Parts
5950-00-239-9445INTERCHANGEABLE
TRANSFORMER,POWER
SCC60934
5935-00-590-3865INTERCHANGEABLE
ADAPTER,CONNECTOR
33-1890-1
9150-01-095-5512INTERCHANGEABLE
GREASE,BALL AND ROLLER BEARING
L0189.001
5315-01-097-5027INTERCHANGEABLE
PIN,POLARIZATION
6665-01-149-8635INTERCHANGEABLE
GLOBE ASSEMBLY,METER
6240-01-344-6667INTERCHANGEABLE
LAMP,INCANDESCENT
6515-01-588-6886INTERCHANGEABLE
ENDOSCOPIC INSTRUMENT,FIBER OPTI
EG-2990I
7025-01-620-3512INTERCHANGEABLE
INTERFACE UNIT,AUTOMATIC DATA PR
189000

Frequently Asked Questions

What is NSN 4820-00-410-5822?

NSN 4820-00-410-5822 is a Diaphragm,valve,flat, manufactured by Trac Regulator Co., Inc. Dba Trac Regulator Co Inc, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-410-5822?

NSN 4820-00-410-5822 has 3 cross-referenced part numbers: 1890-1 (Lawler Manufacturing Company, Inc.), 1890-00 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc), 1890-00 (Lawler Manufacturing Company, Inc.).

What NSN replaces 4820-00-410-5822?

There are 8 known substitutes for 4820-00-410-5822: 5950-00-239-9445, 5935-00-590-3865, 9150-01-095-5512 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1890-00?

Key specifications for 1890-00: Material: STEEL CORROSION RESISTING. 1 total characteristics are documented in the Federal Logistics Information System.

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