The Dye,leak Detection, cataloged under National Stock Number 6820-01-569-8221, is classified within Federal Supply Class 6820 (Dyes) of the Chemicals and Chemical Products group. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
6820-01-569-8221
Item Name
Dye,leak Detection
FSC / FSG
6820 / 68 — Dyes
Status
ACTIVE
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
Hazardous per DLA record (HMIC D)
Criticality Code
X
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
UNISOL LIQUID RED B
3/9Design control — primary reference
United Color Technology Inc
No interchangeability data on file.
Other items in FSC 6820 — Dyes
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
6820-00-001-4192
DYE,LEAK DETECTION
6820-00-022-8192
6820-00-022-8192 · Item name not on file
6820-00-066-0682
6820-00-066-0682 · Item name not on file
6820-00-068-4923
6820-00-068-4923 · Item name not on file
6820-00-069-2524
6820-00-069-2524 · Item name not on file
6820-00-069-2527
6820-00-069-2527 · Item name not on file
6820-00-105-2309
6820-00-105-2309 · Item name not on file
6820-00-174-3215
6820-00-174-3215 · Item name not on file
Frequently Asked Questions
What is NSN 6820-01-569-8221?
NSN 6820-01-569-8221 is a Dye,leak Detection, classified under FSC 6820, Dyes. Status: active.
What are the specifications of 6820-01-569-8221?
Key specifications for 6820-01-569-8221: Special Features: UNISOL LIQUID RED B CONCENTRATE; BENZENE/XYLENE SOLUTION: XYLENE, ETHYLBENZINE, AROMATIC, DARK RED, FLAMMABLE; MAY CAUSE SKIN/EYE IRRITATION; HARMFUL IF INHALED/SWALLOWED; 83 DEG F FLASH PT DEGF. 0 specifications are documented in the U.S. Government catalog.
Is NSN 6820-01-569-8221 hazardous material?
Hazardous per DLA record (HMIC D). 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.