FSC 6665 — Hazard-detecting Instruments and Apparatus · FSG 66 — Instruments and Laboratory Equipment
Government record, cited
Also searched as6665-00-654-6664 ·
6665006546664 ·
NIIN 006546664 ·
00-654-6664 ·
FSC 6665 Hazard-detecting Instruments and Apparatus
Nearby stock numbers← 6665-00-654-6663 Cam, Elevator
·
6665-00-654-6834 →
Features
Roll Assy — FSC 6665
Identification
NSN: 6665-00-654-6664
NIIN: 006546664
FSC: 6665 — Hazard-detecting Instruments and Apparatus
FSG: 66 — Instruments and Laboratory Equipment
General Description
The Roll Assy, cataloged under National Stock Number 6665-00-654-6664, is classified within Federal Supply Class 6665 (Hazard-detecting Instruments and Apparatus) of the Instruments and Laboratory Equipment group. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
Catalog Facts
Item Name
Roll Assy
FSC / FSG
6665 — Hazard-detecting Instruments and Apparatus (FSG 66)
Technical Specifications
Parameter
Value
NSN
6665-00-654-6664
Item Name
Roll Assy
FSC / FSG
6665 / 66 — Hazard-detecting Instruments and Apparatus
Status
ACTIVE
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
Possible hazard — SDS may be required (DLA HMIC P)
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
R503AS
3/9Design control — primary reference
Leeds and Northrup Co a Unit of General Signal Corp
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 6665-00-654-6664?
NSN 6665-00-654-6664 is a Roll Assy, classified under FSC 6665, Hazard-detecting Instruments and Apparatus. Status: active.
Is NSN 6665-00-654-6664 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.