PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

700204Stem,fluid Valve

Niantic Tool, Inc. Dba Niantic Tool Co · NSN 4820-01-157-4379 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-157-4379 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-157-4379. Primary manufacturer part number: 700204.
Features
  • Stem,fluid Valve — FSC 4820
  • 13 verified cross-references
  • Primary manufacturer: Niantic Tool, Inc. Dba Niantic Tool Co
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Stem,fluid Valve, cataloged under National Stock Number 4820-01-157-4379, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Niantic Tool, Inc. Dba Niantic Tool Co. This item has 13 commercial cross-references from 6 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 NameStem,fluid Valve
FSC / FSG4820 — No Item Name Available (FSG 48)
ManufacturersDresser Rand Co Terry Corp Steam Turbine Motor and Generator Co a Joint Venture (CAGE 82328); Naval Sea Systems Command (CAGE 53711); Niantic Tool, Inc. Dba Niantic Tool Co (CAGE 0B5H6); Siemens Government Technologies, Inc. Dba Sgt Dresser-Rand Div Sgt Dresser-Rand (CAGE 0BR59); Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions (CAGE 8FGX3)
Technical Specifications
ParameterValue
NSN4820-01-157-4379
Primary Part Number700204
Item NameStem,fluid Valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerNiantic Tool, Inc. Dba Niantic Tool Co
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5360-00-089-9036A4364 INTERCHANGEABLE
Spring,helical,compression
Miller-Holzwarth Inc.
5962-00-243-2555 INTERCHANGEABLE
Microcircuit,digital
2805-00-353-7584230101 INTERCHANGEABLE
Valve,poppet,engine
Briggs and Stratton Corp
4530-00-391-8595H8-4-13 INTERCHANGEABLE
Housing Assembly
Todd Combustion Inc
5310-00-970-4384 INTERCHANGEABLE
Nut,wheel,inner
6130-01-036-90945EB100 INTERCHANGEABLE
Power Supply
Acopian Technical Company
5305-01-136-8422100A900009 INTERCHANGEABLE
Screw
Northrop Grumman Systems Corporation
4820-01-157-4361120005 INTERCHANGEABLE
Ball,valve,ported
Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions
4820-01-261-9742717252 INTERCHANGEABLE
Seat,valve
Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions
5325-01-296-7718700-204 INTERCHANGEABLE
Ring,retaining
W a Whitney Co Dba Whitney
Cross-Reference Index
Part NumberManufacturer
H-8413 Dresser Rand Co Terry Corp Steam Turbine Motor and Generator Co a Joint Venture (USA)
6705255SH52 Naval Sea Systems Command (USA)
700204 PRIMARY Niantic Tool, Inc. Dba Niantic Tool Co (USA)
A1091 PRIMARY Niantic Tool, Inc. Dba Niantic Tool Co (USA)
A-4364 Dresser Rand Co Terry Corp Steam Turbine Motor and Generator Co a Joint Venture (USA)
H-8413 PIECE 179 Dresser Rand Co Terry Corp Steam Turbine Motor and Generator Co a Joint Venture (USA)
831954 PRIMARY Naval Sea Systems Command (USA)
H-8413 PIECE 179 Siemens Government Technologies, Inc. Dba Sgt Dresser-Rand Div Sgt Dresser-Rand (USA)
831954 Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions (USA)
831954 Dresser Rand Co Terry Corp Steam Turbine Motor and Generator Co a Joint Venture (USA)
831954 Siemens Government Technologies, Inc. Dba Sgt Dresser-Rand Div Sgt Dresser-Rand (USA)
A-4364 Siemens Government Technologies, Inc. Dba Sgt Dresser-Rand Div Sgt Dresser-Rand (USA)
900009 Lee Evans, Inc. (USA)
Related Parts
5360-00-089-9036INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
A4364
5962-00-243-2555INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
2805-00-353-7584INTERCHANGEABLE
VALVE,POPPET,ENGINE
230101
4530-00-391-8595INTERCHANGEABLE
HOUSING ASSEMBLY
H8-4-13
5310-00-970-4384INTERCHANGEABLE
NUT,WHEEL,INNER
6130-01-036-9094INTERCHANGEABLE
POWER SUPPLY
5EB100
5305-01-136-8422INTERCHANGEABLE
SCREW
100A900009
4820-01-157-4361INTERCHANGEABLE
BALL,VALVE,PORTED
120005
4820-01-261-9742INTERCHANGEABLE
SEAT,VALVE
717252
5325-01-296-7718INTERCHANGEABLE
RING,RETAINING
700-204
7025-01-429-8710INTERCHANGEABLE
PRINTER,AUTOMATIC DATA PROCESSIN
900009
5330-01-464-9848INTERCHANGEABLE
GASKET
M83248/2-236

Frequently Asked Questions

What is NSN 4820-01-157-4379?

NSN 4820-01-157-4379 is a Stem,fluid Valve, manufactured by Niantic Tool, Inc. Dba Niantic Tool Co, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-157-4379?

NSN 4820-01-157-4379 has 13 cross-referenced part numbers: H-8413 (Dresser Rand Co Terry Corp Steam Turbine Motor and Generator Co a Joint Venture), 6705255SH52 (Naval Sea Systems Command), 700204 (Niantic Tool, Inc. Dba Niantic Tool Co), A1091 (Niantic Tool, Inc. Dba Niantic Tool Co), A-4364 (Dresser Rand Co Terry Corp Steam Turbine Motor and Generator Co a Joint Venture) and 8 more.

What NSN replaces 4820-01-157-4379?

There are 12 known substitutes for 4820-01-157-4379: 5360-00-089-9036, 5962-00-243-2555, 2805-00-353-7584 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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