PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

123001Seat,valve

Dh Instruments Inc. · NSN 4820-01-561-6176 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-561-6176 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-561-6176. Primary manufacturer part number: 123001.
Features
  • Seat,valve — FSC 4820
  • 2 verified cross-references
  • Primary manufacturer: Dh Instruments Inc.
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Seat,valve, cataloged under National Stock Number 4820-01-561-6176, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Dh Instruments Inc.. This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameSeat,valve
FSC / FSG4820 — No Item Name Available (FSG 48)
ManufacturersDh Instruments Inc. (CAGE 2J641)
Technical Specifications
ParameterValue
NSN4820-01-561-6176
Primary Part Number123001
Item NameSeat,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerDh Instruments Inc.
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
5950-00-059-3060SM-C-450409 INTERCHANGEABLE
Transformer,power
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5999-00-177-1700123001 INTERCHANGEABLE
Clip,electrical
Littelfuse, Inc.
6750-00-427-2779 INTERCHANGEABLE
Stabilizer,photographic
5905-00-843-92934430 INTERCHANGEABLE
Resistor,fixed,wire Wound,induct
Ohmite Holding, L.l.c. Dba Ohmite Manufacturing
5825-01-033-1276803062-2 INTERCHANGEABLE
Protector
Raytheon Company Dba Raytheon
5985-01-035-1443328-11005-8 INTERCHANGEABLE
Switch,radio Frequency Transmiss
U S Dept of Transportation Federal Aviation Administration
6210-01-141-0541123001 INTERCHANGEABLE
Light,indicator
American Dryer Corp
5998-01-421-22654000601 INTERCHANGEABLE
Electronic Components Assembly
Research & Development Laboratories
5996-01-445-7547757LC INTERCHANGEABLE
Amplifier,radio Frequency
Ar Modular Rf Corp.
5340-01-569-087912-3001 INTERCHANGEABLE
Spring,retaining
Bloom Manufacturing, Llc Dba Bloom Inc
Cross-Reference Index
Part NumberManufacturer
123001 PRIMARY Dh Instruments Inc. (USA)
U03001 Dh Instruments Inc. (USA)
Related Parts
5950-00-059-3060INTERCHANGEABLE
TRANSFORMER,POWER
SM-C-450409
5999-00-177-1700INTERCHANGEABLE
CLIP,ELECTRICAL
123001
6750-00-427-2779INTERCHANGEABLE
STABILIZER,PHOTOGRAPHIC
5905-00-843-9293INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND,INDUCT
4430
5825-01-033-1276INTERCHANGEABLE
PROTECTOR
803062-2
5985-01-035-1443INTERCHANGEABLE
SWITCH,RADIO FREQUENCY TRANSMISS
328-11005-8
6210-01-141-0541INTERCHANGEABLE
LIGHT,INDICATOR
123001
5998-01-421-2265INTERCHANGEABLE
ELECTRONIC COMPONENTS ASSEMBLY
4000601
5996-01-445-7547INTERCHANGEABLE
AMPLIFIER,RADIO FREQUENCY
757LC
5340-01-569-0879INTERCHANGEABLE
SPRING,RETAINING
12-3001

Frequently Asked Questions

What is NSN 4820-01-561-6176?

NSN 4820-01-561-6176 is a Seat,valve, manufactured by Dh Instruments Inc., classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-561-6176?

NSN 4820-01-561-6176 has 2 cross-referenced part numbers: 123001 (Dh Instruments Inc.), U03001 (Dh Instruments Inc.).

What NSN replaces 4820-01-561-6176?

There are 10 known substitutes for 4820-01-561-6176: 5950-00-059-3060, 5999-00-177-1700, 6750-00-427-2779 and 7 more. Verify interchangeability with system specifications before substitution.

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