PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

120202Valvesubassembly

Bei Sensors & Systems Co. Inc Dba Edcliff Instruments Division · NSN 6680-00-491-3817 · FSC 6680 · No Item Name Available
Verified by PartsTable
NSN 6680-00-491-3817 — this item is cataloged by the U.S. Government under National Stock Number 6680-00-491-3817. Primary manufacturer part number: 120202.
Features
  • Valvesubassembly — FSC 6680
  • 2 verified cross-references
  • Primary manufacturer: Bei Sensors & Systems Co. Inc Dba Edcliff Instruments Division
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Valvesubassembly, cataloged under National Stock Number 6680-00-491-3817, is classified within Federal Supply Class 6680 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Bei Sensors & Systems Co. Inc Dba Edcliff Instruments Division. This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameValvesubassembly
FSC / FSG6680 — No Item Name Available (FSG 66)
ManufacturersBei Sensors & Systems Co. Inc Dba Edcliff Instruments Division (CAGE 00153); Bei Sensors & Systems Company, Inc. Dba Bei Duncan (CAGE 11534)
Technical Specifications
ParameterValue
NSN6680-00-491-3817
Primary Part Number120202
Item NameValvesubassembly
FSC / FSG6680 / 66 — No Item Name Available
ManufacturerBei Sensors & Systems Co. Inc Dba Edcliff Instruments Division
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
2920-00-040-2576120202 INTERCHANGEABLE
Base Asy
Am General Llc
4130-00-287-49892152303 INTERCHANGEABLE
Filter Element,air Conditioning
L3harris Technologies, Inc.
4820-01-114-7539104689 INTERCHANGEABLE
Valve
Bendix Commercial Vehicle Systems Llc Dba Bendix Commercial Vehicle Systems
5995-01-447-1122 INTERCHANGEABLE
Cable Assembly,radio Frequency
5845-01-464-041212020-2 INTERCHANGEABLE
Modification Kit,sonar Equipment
Coda Octopus Engineering, Inc.
5998-01-487-2394120202 INTERCHANGEABLE
Circuit Card Assembly
Science Applications International Corporation Dba Saic
6160-01-649-7453120202 INTERCHANGEABLE
Connector Board,battery
Helmer Scientific Llc Dba Helmer
Cross-Reference Index
Part NumberManufacturer
120202 Bei Sensors & Systems Co. Inc Dba Edcliff Instruments Division (USA)
120202 Bei Sensors & Systems Company, Inc. Dba Bei Duncan (USA)
Related Parts
2920-00-040-2576INTERCHANGEABLE
BASE ASY
120202
4130-00-287-4989INTERCHANGEABLE
FILTER ELEMENT,AIR CONDITIONING
2152303
4820-01-114-7539INTERCHANGEABLE
VALVE
104689
5995-01-447-1122INTERCHANGEABLE
CABLE ASSEMBLY,RADIO FREQUENCY
5845-01-464-0412INTERCHANGEABLE
MODIFICATION KIT,SONAR EQUIPMENT
12020-2
5998-01-487-2394INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
120202
6160-01-649-7453INTERCHANGEABLE
CONNECTOR BOARD,BATTERY
120202

Frequently Asked Questions

What is NSN 6680-00-491-3817?

NSN 6680-00-491-3817 is a Valvesubassembly, manufactured by Bei Sensors & Systems Co. Inc Dba Edcliff Instruments Division, classified under FSC 6680 (No Item Name Available). Status: active.

What are the part numbers for NSN 6680-00-491-3817?

NSN 6680-00-491-3817 has 2 cross-referenced part numbers: 120202 (Bei Sensors & Systems Co. Inc Dba Edcliff Instruments Division), 120202 (Bei Sensors & Systems Company, Inc. Dba Bei Duncan).

What NSN replaces 6680-00-491-3817?

There are 7 known substitutes for 6680-00-491-3817: 2920-00-040-2576, 4130-00-287-4989, 4820-01-114-7539 and 4 more. Verify interchangeability with system specifications before substitution.

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