PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

11990Detector,gas

Fibrebond Corp · NSN 6665-01-496-6938 · FSC 6665 · No Item Name Available
Verified by PartsTable
NSN 6665-01-496-6938 — this item is cataloged by the U.S. Government under National Stock Number 6665-01-496-6938. Primary manufacturer part number: 11990.
Features
  • Detector,gas — FSC 6665
  • Voltage Rating: 250.0 VOLTS NOMINAL
  • Detecting Element Detachability: INTEGRAL
  • Detecting Element Type: ANY ACCEPTABLE
  • Functional Description: USED TO DETECT HYDROGEN GAS
  • 2 verified cross-references
  • Primary manufacturer: Fibrebond Corp
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Detector,gas, cataloged under National Stock Number 6665-01-496-6938, is classified within Federal Supply Class 6665 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Fibrebond Corp. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6665-01-496-6938
Primary Part Number11990
Item NameDetector,gas
FSC / FSG6665 / 66 — No Item Name Available
ManufacturerFibrebond Corp
StatusACTIVE
Voltage Rating250.0 VOLTS NOMINAL
Detecting Element DetachabilityINTEGRAL
Detecting Element TypeANY ACCEPTABLE
Functional DescriptionUSED TO DETECT HYDROGEN GAS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
9540-00-251-2683 INTERCHANGEABLE
Channel,structural
5930-00-818-1377 INTERCHANGEABLE
Switch,rotary
5985-00-819-533511992 INTERCHANGEABLE
Switch,radio Frequency Transmiss
Dow-Key Microwave Llc
5340-01-194-938711990 INTERCHANGEABLE
Handle,manual Control
Terex Reedrill Dba Reedrill Texoma Div Terex Mining
Cross-Reference Index
Part NumberManufacturer
11990 PRIMARY Fibrebond Corp (USA)
801550-DR PRIMARY Enersys Corporation Div Motive Power National Accounts (USA)
Related Parts
9540-00-251-2683INTERCHANGEABLE
CHANNEL,STRUCTURAL
5930-00-818-1377INTERCHANGEABLE
SWITCH,ROTARY
5985-00-819-5335INTERCHANGEABLE
SWITCH,RADIO FREQUENCY TRANSMISS
11992
5340-01-194-9387INTERCHANGEABLE
HANDLE,MANUAL CONTROL
11990

Frequently Asked Questions

What is NSN 6665-01-496-6938?

NSN 6665-01-496-6938 is a Detector,gas, manufactured by Fibrebond Corp, classified under FSC 6665 (No Item Name Available). Status: active.

What are the part numbers for NSN 6665-01-496-6938?

NSN 6665-01-496-6938 has 2 cross-referenced part numbers: 11990 (Fibrebond Corp), 801550-DR (Enersys Corporation Div Motive Power National Accounts).

What NSN replaces 6665-01-496-6938?

There are 4 known substitutes for 6665-01-496-6938: 9540-00-251-2683, 5930-00-818-1377, 5985-00-819-5335 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 11990?

Key specifications for 11990: Voltage Rating: 250.0 VOLTS NOMINAL; Detecting Element Detachability: INTEGRAL; End Item Identification: NSN RESTRICTED TO NEXRAD USE ONLY;TPS; Detecting Element Type: ANY ACCEPTABLE. 6 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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