NSN 6665-01-682-5581 · NIIN 016825581 · Part number ES-1821
Rki Instruments, Inc. Dba Rki Instruments Inc · FSC 6665 — Hazard-detecting Instruments and Apparatus · FSG 66 — Instruments and Laboratory Equipment · CAGE 04VL7
Government record, cited
NSN 6665-01-682-5581 — this item is cataloged by the U.S. Government under National Stock Number 6665-01-682-5581. Manufacturer of record part number: ES-1821.
Also searched as6665-01-682-5581 ·
6665016825581 ·
NIIN 016825581 ·
01-682-5581 ·
FSC 6665 Hazard-detecting Instruments and Apparatus · CAGE 04VL7 · ES-1821
Manufacturer of record: Rki Instruments, Inc. Dba Rki Instruments Inc
Identification
NSN: 6665-01-682-5581
NIIN: 016825581
FSC: 6665 — Hazard-detecting Instruments and Apparatus
FSG: 66 — Instruments and Laboratory Equipment
Primary part number: ES-1821
Manufacturer: Rki Instruments, Inc. Dba Rki Instruments Inc
General Description
The Indicator,carbon Monoxide, cataloged under National Stock Number 6665-01-682-5581, is classified within Federal Supply Class 6665 (Hazard-detecting Instruments and Apparatus) of the Instruments and Laboratory Equipment group. The manufacturer of record is Rki Instruments, Inc. Dba Rki Instruments Inc. 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
6665-01-682-5581
Primary Part Number
ES-1821
Item Name
Indicator,carbon Monoxide
FSC / FSG
6665 / 66 — Hazard-detecting Instruments and Apparatus
Manufacturer
Rki Instruments, Inc. Dba Rki Instruments Inc
Status
ACTIVE
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
Possible hazard — SDS may be required (DLA HMIC P)
Rki Instruments, Inc. Dba Rki Instruments Inc (USA)
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 6665-01-682-5581?
NSN 6665-01-682-5581 is a Indicator,carbon Monoxide, manufactured by Rki Instruments, Inc. Dba Rki Instruments Inc, classified under FSC 6665, Hazard-detecting Instruments and Apparatus. Status: active.
What part numbers are listed for NSN 6665-01-682-5581?
NSN 6665-01-682-5581 has 1 manufacturer part number on file: ES-1821 (Rki Instruments, Inc. Dba Rki Instruments Inc).
What are the specifications of ES-1821?
Key specifications for ES-1821: Part Name Assigned by Controlling Agency: CARBON MONOXIDE INDICATOR. 0 specifications are documented in the U.S. Government catalog.
Is NSN 6665-01-682-5581 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.