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NSN 6665-01-644-0249Government record, cited

Detector, Gas6665-01-644-0249

NSN 6665-01-644-0249 · NIIN 016440249 · Part number XGARD-TYPE 5
Crowcon Detection Instrs Ltd · FSC 6665 — Hazard-detecting Instruments and Apparatus · FSG 66 — Instruments and Laboratory Equipment · CAGE 1RR68
Government record, cited
NSN 6665-01-644-0249 — this item is cataloged by the U.S. Government under National Stock Number 6665-01-644-0249. Manufacturer of record part number: XGARD-TYPE 5.
Also searched as  6665-01-644-0249 · 6665016440249 · NIIN 016440249 · 01-644-0249 · FSC 6665 Hazard-detecting Instruments and Apparatus · CAGE 1RR68 · XGARD-TYPE 5 · XG-DMA300 · 40037199
Nearby stock numbers  ·
Features
  • Detector,gas — FSC 6665
  • 3 manufacturer part numbers on file
  • Manufacturer of record: Crowcon Detection Instrs Ltd
Identification
  • NSN: 6665-01-644-0249
  • NIIN: 016440249
  • FSC: 6665 — Hazard-detecting Instruments and Apparatus
  • FSG: 66 — Instruments and Laboratory Equipment
  • Primary part number: XGARD-TYPE 5
  • Manufacturer: Crowcon Detection Instrs Ltd
General Description

The Detector,gas, cataloged under National Stock Number 6665-01-644-0249, is classified within Federal Supply Class 6665 (Hazard-detecting Instruments and Apparatus) of the Instruments and Laboratory Equipment group. The manufacturer of record is Crowcon Detection Instrs Ltd. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Catalog Facts
Item NameDetector,gas
FSC / FSG6665 — Hazard-detecting Instruments and Apparatus (FSG 66)
ManufacturersSociete Analyse Detection Securite (CAGE F7995); Crowcon Detection Instrs Ltd (CAGE 1RR68); Ministry of Defence, Future Aircraft Carrier Ipt (cvf Ipt) (CAGE KCUC6)
Technical Specifications
ParameterValue
NSN6665-01-644-0249
Primary Part NumberXGARD-TYPE 5
Item NameDetector,gas
FSC / FSG6665 / 66 — Hazard-detecting Instruments and Apparatus
ManufacturerCrowcon Detection Instrs Ltd
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardPossible hazard — SDS may be required (DLA HMIC P)
Cross-Reference Index
Part NumberManufacturer
XG-DMA300 Societe Analyse Detection Securite (FRA)
XGARD-TYPE 5 PRIMARY Crowcon Detection Instrs Ltd (USA)
40037199 Ministry of Defence, Future Aircraft Carrier Ipt (cvf Ipt) (GBR)
No interchangeability data on file.
Other items in FSC 6665 — Hazard-detecting Instruments and Apparatus
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
6665-00-001-2316
6665-00-001-2316 · Item name not on file
6665-00-001-5355
RADIACMETER
6665-00-006-0951
6665-00-006-0951 · Item name not on file
6665-00-007-6584
6665-00-007-6584 · Item name not on file
6665-00-008-8883
6665-00-008-8883 · Item name not on file
6665-00-009-9478
COUNTER,RATEMETER
6665-00-009-9492
RADIACMETER
6665-00-010-0061
6665-00-010-0061 · Item name not on file

Frequently Asked Questions

What is NSN 6665-01-644-0249?

NSN 6665-01-644-0249 is a Detector,gas, manufactured by Crowcon Detection Instrs Ltd, classified under FSC 6665, Hazard-detecting Instruments and Apparatus. Status: active.

What part numbers are listed for NSN 6665-01-644-0249?

NSN 6665-01-644-0249 has 3 manufacturer part numbers on file: XG-DMA300 (Societe Analyse Detection Securite), XGARD-TYPE 5 (Crowcon Detection Instrs Ltd), 40037199 (Ministry of Defence, Future Aircraft Carrier Ipt (cvf Ipt)).

Is NSN 6665-01-644-0249 hazardous material?

Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.

Sources

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.

✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.
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