PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

B2254Disk,valve

Niantic Tool, Inc. Dba Niantic Tool Co · NSN 4820-01-197-4914 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-197-4914 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-197-4914. Primary manufacturer part number: B2254.
Features
  • Disk,valve — FSC 4820
  • Material: STEEL
  • Style Designator: POPPET
  • 12 verified cross-references
  • Primary manufacturer: Niantic Tool, Inc. Dba Niantic Tool Co
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel construction
General Description

The Disk,valve, cataloged under National Stock Number 4820-01-197-4914, 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. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 12 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.

Technical Specifications
ParameterValue
NSN4820-01-197-4914
Primary Part NumberB2254
Item NameDisk,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerNiantic Tool, Inc. Dba Niantic Tool Co
StatusACTIVE
MaterialSTEEL
Style DesignatorPOPPET
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4820-00-036-3510900020 INTERCHANGEABLE
Valve,flow Control
Lee Evans, Inc.
3110-00-462-41568430247 INTERCHANGEABLE
Seat,bearing
Army, United States Department of the Dba Rock Island Arsenal Jmtc
4320-00-551-29489000-24 INTERCHANGEABLE
Pump,rotary
Oberdorfer Foundries Inc
5910-00-642-6741 INTERCHANGEABLE
Capacitor,fixed,mica Dielectric
3020-00-690-0638900024 INTERCHANGEABLE
Gear,worm
Niantic Tool, Inc. Dba Niantic Tool Co
5945-00-893-64082269825 INTERCHANGEABLE
Relay,electromagnetic
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5310-00-900-9011900024 INTERCHANGEABLE
Nut,plain,hexagon
Allianz Sweeper Company
6685-01-084-5195900024 INTERCHANGEABLE
Gage,dry Chemical
Buckeye Fire Equipment Co
5910-01-157-2191C321C102J2R5CA INTERCHANGEABLE
Capacitor,fixed,ceramic Dielectr
Kemet Electronics Corporation
5360-01-246-12099000-20A INTERCHANGEABLE
Spring,helical,compression
Magnatrol Valve Corp Div Clark-Cooper
Cross-Reference Index
Part NumberManufacturer
B2254 PRIMARY Niantic Tool, Inc. Dba Niantic Tool Co (USA)
916659 Siemens Government Technologies, Inc. Dba Sgt Dresser-Rand Div Sgt Dresser-Rand (USA)
F-8277 PC1 Siemens Government Technologies, Inc. Dba Sgt Dresser-Rand Div Sgt Dresser-Rand (USA)
916659 Dresser Rand Co Terry Corp Steam Turbine Motor and Generator Co a Joint Venture (USA)
900024 Lee Evans, Inc. (USA)
900020 PRIMARY Niantic Tool, Inc. Dba Niantic Tool Co (USA)
F-8277 PC1 Dresser Rand Co Terry Corp Steam Turbine Motor and Generator Co a Joint Venture (USA)
F-8277 Dresser Rand Co Terry Corp Steam Turbine Motor and Generator Co a Joint Venture (USA)
F-8277 PC1 Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions (USA)
916659 PRIMARY Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions (USA)
F-8277 PC1 Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions (USA)
916659 Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions (USA)
Related Parts
4820-00-036-3510INTERCHANGEABLE
VALVE,FLOW CONTROL
900020
3110-00-462-4156INTERCHANGEABLE
SEAT,BEARING
8430247
4320-00-551-2948INTERCHANGEABLE
PUMP,ROTARY
9000-24
5910-00-642-6741INTERCHANGEABLE
CAPACITOR,FIXED,MICA DIELECTRIC
3020-00-690-0638INTERCHANGEABLE
GEAR,WORM
900024
5945-00-893-6408INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
2269825
5310-00-900-9011INTERCHANGEABLE
NUT,PLAIN,HEXAGON
900024
6685-01-084-5195INTERCHANGEABLE
GAGE,DRY CHEMICAL
900024
5910-01-157-2191INTERCHANGEABLE
CAPACITOR,FIXED,CERAMIC DIELECTR
C321C102J2R5CA
5360-01-246-1209INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
9000-20A
4820-01-278-4068INTERCHANGEABLE
PARTS KIT,VALVE
429070
4520-01-469-5992INTERCHANGEABLE
HEATER,SPACE,ELECTRIC
900024

Frequently Asked Questions

What is NSN 4820-01-197-4914?

NSN 4820-01-197-4914 is a Disk,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 4820-01-197-4914?

NSN 4820-01-197-4914 has 12 cross-referenced part numbers: B2254 (Niantic Tool, Inc. Dba Niantic Tool Co), 916659 (Siemens Government Technologies, Inc. Dba Sgt Dresser-Rand Div Sgt Dresser-Rand), F-8277 PC1 (Siemens Government Technologies, Inc. Dba Sgt Dresser-Rand Div Sgt Dresser-Rand), 916659 (Dresser Rand Co Terry Corp Steam Turbine Motor and Generator Co a Joint Venture), 900024 (Lee Evans, Inc.) and 7 more.

What NSN replaces 4820-01-197-4914?

There are 12 known substitutes for 4820-01-197-4914: 4820-00-036-3510, 3110-00-462-4156, 4320-00-551-2948 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of B2254?

Key specifications for B2254: Material: STEEL; Style Designator: POPPET. 2 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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