PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

122034Seat,valve

Dh Instruments Inc. · NSN 4820-01-561-6171 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-561-6171 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-561-6171. Primary manufacturer part number: 122034.
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 4820-01-561-6171, 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. 2 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
NSN4820-01-561-6171
Primary Part Number122034
Item NameSeat,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerDh Instruments Inc.
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5310-01-472-037150-123-1 INTERCHANGEABLE
Nut Assembly,retainer Plate
Bell Textron Inc
4720-01-614-9280122034 INTERCHANGEABLE
Hose Assembly,nonmetallic
Wiggins Lift Co Inc
Cross-Reference Index
Part NumberManufacturer
U02034 Dh Instruments Inc. (USA)
122034 PRIMARY Dh Instruments Inc. (USA)
Related Parts
5310-01-472-0371INTERCHANGEABLE
NUT ASSEMBLY,RETAINER PLATE
50-123-1
4720-01-614-9280INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
122034

Frequently Asked Questions

What is NSN 4820-01-561-6171?

NSN 4820-01-561-6171 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 4820-01-561-6171?

NSN 4820-01-561-6171 has 2 cross-referenced part numbers: U02034 (Dh Instruments Inc.), 122034 (Dh Instruments Inc.).

What NSN replaces 4820-01-561-6171?

There are 2 known substitutes for 4820-01-561-6171: 5310-01-472-0371, 4720-01-614-9280. Verify interchangeability with system specifications before substitution.

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