NSN 6665-01-688-3535 · NIIN 016883535 · Part number FHZ 691-10
Thermo Fisher Scientific Inc. · FSC 6665 — Hazard-detecting Instruments and Apparatus · FSG 66 — Instruments and Laboratory Equipment · CAGE 8Z672
Government record, cited
NSN 6665-01-688-3535 — this item is cataloged by the U.S. Government under National Stock Number 6665-01-688-3535. Manufacturer of record part number: FHZ 691-10.
Also searched as6665-01-688-3535 ·
6665016883535 ·
NIIN 016883535 ·
01-688-3535 ·
FSC 6665 Hazard-detecting Instruments and Apparatus · CAGE 8Z672 · FHZ 691-10
Manufacturer of record: Thermo Fisher Scientific Inc.
Identification
NSN: 6665-01-688-3535
NIIN: 016883535
FSC: 6665 — Hazard-detecting Instruments and Apparatus
FSG: 66 — Instruments and Laboratory Equipment
Primary part number: FHZ 691-10
Manufacturer: Thermo Fisher Scientific Inc.
General Description
The Detector,radiac, cataloged under National Stock Number 6665-01-688-3535, is classified within Federal Supply Class 6665 (Hazard-detecting Instruments and Apparatus) of the Instruments and Laboratory Equipment group. The manufacturer of record is Thermo Fisher Scientific Inc.. Government technical data includes 5 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
6665-01-688-3535
Primary Part Number
FHZ 691-10
Item Name
Detector,radiac
FSC / FSG
6665 / 66 — Hazard-detecting Instruments and Apparatus
Manufacturer
Thermo Fisher Scientific Inc.
Status
ACTIVE
Overall Diameter
65.0 MILLIMETERS NOMINAL MM
Radiation Energy Rating
3.0 MEV PER HOUR MAXIMUM
Detecting Element Type
SCINTILLATION
Detecting Element Detachability
DETACHABLE
Radiation Type and Function
RADON MEASURES
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 6665-01-688-3535?
NSN 6665-01-688-3535 is a Detector,radiac, manufactured by Thermo Fisher Scientific Inc., classified under FSC 6665, Hazard-detecting Instruments and Apparatus. Status: active.
What part numbers are listed for NSN 6665-01-688-3535?
NSN 6665-01-688-3535 has 1 manufacturer part number on file: FHZ 691-10 (Thermo Fisher Scientific Inc.).
What are the specifications of FHZ 691-10?
Key specifications for FHZ 691-10: Overall Diameter: 65.0 MILLIMETERS NOMINAL MM; Radiation Energy Rating: 3.0 MEV PER HOUR MAXIMUM; Detecting Element Type: SCINTILLATION; Detecting Element Detachability: DETACHABLE. 5 specifications are documented in the U.S. Government catalog.
Is NSN 6665-01-688-3535 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.