PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

100057Adapter,valve

Niantic Tool, Inc. Dba Niantic Tool Co · NSN 4820-01-197-4912 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-197-4912 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-197-4912. Primary manufacturer part number: 100057.
Features
  • Adapter,valve — FSC 4820
  • General Characteristics Item Description: CARBON STEEL
  • 9 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 Adapter,valve, cataloged under National Stock Number 4820-01-197-4912, 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 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 9 commercial cross-references from 5 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
NSN4820-01-197-4912
Primary Part Number100057
Item NameAdapter,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerNiantic Tool, Inc. Dba Niantic Tool Co
StatusACTIVE
General Characteristics Item DescriptionCARBON STEEL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
1680-00-011-98021000-57 INTERCHANGEABLE
Restrictor
Nammo Defense Systems Inc. Dba Nammo Defense Systems Inc
7520-00-272-96847520-00-272-9684 INTERCHANGEABLE
Stencil Set,marking
National Industries for the Blind
5905-00-273-9467100-057 INTERCHANGEABLE
Resistor Network,fixed,film
Vishay Thin Film Llc Div Vishay Thin Film
3120-00-401-1975100057 INTERCHANGEABLE
Bearing,sleeve
Middleby Marshall Inc Conveyor Ovens and Mixers Div
2815-00-416-1235 INTERCHANGEABLE
Head,cylinder
5975-00-587-8860100057 INTERCHANGEABLE
Base,chassis
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
5910-00-784-06969998826 INTERCHANGEABLE
Capacitor,fixed,ceramic Dielectr
Us Army Aviation and Missile Command
5310-01-067-4159100057 INTERCHANGEABLE
Washer,lock
Mcculloch Corp
5940-01-116-9875100057 INTERCHANGEABLE
Terminal Board Assembly
Mission Systems Davenport Inc.
5905-01-273-081794PM104 INTERCHANGEABLE
Resistor,variable,nonwire Wound,
Rockwell Automation, Inc. Dba Rockwell Automation
Cross-Reference Index
Part NumberManufacturer
100057 PRIMARY Niantic Tool, Inc. Dba Niantic Tool Co (USA)
106109 Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions (USA)
F-8278 PC9 Siemens Government Technologies, Inc. Dba Sgt Dresser-Rand Div Sgt Dresser-Rand (USA)
F-8278 PC9 Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions (USA)
106109 PRIMARY Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions (USA)
F-8278 PC9 Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions (USA)
106109 Dresser Rand Co Terry Corp Steam Turbine Motor and Generator Co a Joint Venture (USA)
106109 Siemens Government Technologies, Inc. Dba Sgt Dresser-Rand Div Sgt Dresser-Rand (USA)
F-8278 PC9 Dresser Rand Co Terry Corp Steam Turbine Motor and Generator Co a Joint Venture (USA)
Related Parts
1680-00-011-9802INTERCHANGEABLE
RESTRICTOR
1000-57
7520-00-272-9684INTERCHANGEABLE
STENCIL SET,MARKING
7520-00-272-9684
5905-00-273-9467INTERCHANGEABLE
RESISTOR NETWORK,FIXED,FILM
100-057
3120-00-401-1975INTERCHANGEABLE
BEARING,SLEEVE
100057
2815-00-416-1235INTERCHANGEABLE
HEAD,CYLINDER
5975-00-587-8860INTERCHANGEABLE
BASE,CHASSIS
100057
5910-00-784-0696INTERCHANGEABLE
CAPACITOR,FIXED,CERAMIC DIELECTR
9998826
5310-01-067-4159INTERCHANGEABLE
WASHER,LOCK
100057
5940-01-116-9875INTERCHANGEABLE
TERMINAL BOARD ASSEMBLY
100057
5905-01-273-0817INTERCHANGEABLE
RESISTOR,VARIABLE,NONWIRE WOUND,
94PM104
5342-01-308-2364INTERCHANGEABLE
CLAMP,SUPPORT
100057-1
5999-01-383-1580INTERCHANGEABLE
CLIP,ELECTRICAL
100057

Frequently Asked Questions

What is NSN 4820-01-197-4912?

NSN 4820-01-197-4912 is a Adapter,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 4820-01-197-4912?

NSN 4820-01-197-4912 has 9 cross-referenced part numbers: 100057 (Niantic Tool, Inc. Dba Niantic Tool Co), 106109 (Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions), F-8278 PC9 (Siemens Government Technologies, Inc. Dba Sgt Dresser-Rand Div Sgt Dresser-Rand), F-8278 PC9 (Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions), 106109 (Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions) and 4 more.

What NSN replaces 4820-01-197-4912?

There are 12 known substitutes for 4820-01-197-4912: 1680-00-011-9802, 7520-00-272-9684, 5905-00-273-9467 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 100057?

Key specifications for 100057: General Characteristics Item Description: CARBON STEEL. 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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