NSN 6665-01-654-0994 · NIIN 016540994 · Part number 6401-0504
Bacharach, Inc. · FSC 6665 — Hazard-detecting Instruments and Apparatus · FSG 66 — Instruments and Laboratory Equipment · CAGE 05083
Government record, cited
NSN 6665-01-654-0994 — this item is cataloged by the U.S. Government under National Stock Number 6665-01-654-0994. Manufacturer of record part number: 6401-0504.
Also searched as6665-01-654-0994 ·
6665016540994 ·
NIIN 016540994 ·
01-654-0994 ·
FSC 6665 Hazard-detecting Instruments and Apparatus · CAGE 05083 · 6401-0504
Nearby stock numbers← 6665-01-654-0990 Detector, Gas
·
6665-01-654-1411 Detector, Gas →
Features
Detector,gas — FSC 6665
Detecting Element Type: SOLID STATE
Voltage Rating: 24.0 VOLTS NOMINAL
1 manufacturer part number on file
Manufacturer of record: Bacharach, Inc.
Identification
NSN: 6665-01-654-0994
NIIN: 016540994
FSC: 6665 — Hazard-detecting Instruments and Apparatus
FSG: 66 — Instruments and Laboratory Equipment
Primary part number: 6401-0504
Manufacturer: Bacharach, Inc.
General Description
The Detector,gas, cataloged under National Stock Number 6665-01-654-0994, is classified within Federal Supply Class 6665 (Hazard-detecting Instruments and Apparatus) of the Instruments and Laboratory Equipment group. The manufacturer of record is Bacharach, Inc.. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
6665-01-654-0994
Primary Part Number
6401-0504
Item Name
Detector,gas
FSC / FSG
6665 / 66 — Hazard-detecting Instruments and Apparatus
Manufacturer
Bacharach, Inc.
Status
ACTIVE
Detecting Element Type
SOLID STATE
Voltage Rating
24.0 VOLTS NOMINAL
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
Possible hazard — SDS may be required (DLA HMIC P)
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 6665-01-654-0994?
NSN 6665-01-654-0994 is a Detector,gas, manufactured by Bacharach, Inc., classified under FSC 6665, Hazard-detecting Instruments and Apparatus. Status: active.
What part numbers are listed for NSN 6665-01-654-0994?
NSN 6665-01-654-0994 has 1 manufacturer part number on file: 6401-0504 (Bacharach, Inc.).
What are the specifications of 6401-0504?
Key specifications for 6401-0504: Overall Height: 1.5 INCHES NOMINAL IN; Detecting Element Type: SOLID STATE; Overall Length: 4.0 INCHES NOMINAL IN; Overall Width: 5.5 INCHES NOMINAL IN. 2 specifications are documented in the U.S. Government catalog.
Is NSN 6665-01-654-0994 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.