The Dye,basic Violet 1, cataloged under National Stock Number 6820-00-255-8201, is classified within Federal Supply Class 6820 (Dyes) of the Chemicals and Chemical Products group. The manufacturer of record is Tci International, Inc. Government technical data includes 9 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6820-00-255-8201 |
| Primary Part Number | METHYL VIOLET 2B |
| Item Name | Dye,basic Violet 1 |
| FSC / FSG | 6820 / 68 — Dyes |
| Manufacturer | Tci International, Inc |
| Status | ACTIVE |
| Pigment Grade | TECHNICAL |
| Pigment Color | ANY ACCEPTABLE |
| Usage Design | ORIGINAL DYEING OR RECOLOR DYEING |
| Unit Package Type | CAN |
| Unit Package Quantity | 1 |
| Pigment Color Source | AMERICAN ASSN OF TEXTILE CHEMISTS AND COLORISTS |
| Physical Form | POWDER |
| Material for Which Designed | COTTON OR WOOL OR SILK |
| Shade Designation | 42535 COLOR INDEX NUMBER |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Hazardous per DLA record (HMIC Y) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| METHYL VIOLET 2B | Tci International, Inc (USA) |
| METHYL VI0LET 2B | Honeywell International Inc Div Environmental Systems & Services (USA) |
| Reference | Meaning |
|---|---|
| CALC0ZINEVI0LETEXTRAC0NC | 5/9 Secondary reference American Cyanamid Co |
| METHYLVI0LET2BC0NC125PERCENT | 3/1 Design control — primary reference Honeywell International Inc Div Environmental Systems & Services |
NSN 6820-00-255-8201 is a Dye,basic Violet 1, manufactured by Tci International, Inc, classified under FSC 6820, Dyes. Status: active.
NSN 6820-00-255-8201 has 2 manufacturer part numbers on file: METHYL VIOLET 2B (Tci International, Inc), METHYL VI0LET 2B (Honeywell International Inc Div Environmental Systems & Services).
Key specifications for METHYL VIOLET 2B: Pigment Grade: TECHNICAL; Pigment Color: ANY ACCEPTABLE; Usage Design: ORIGINAL DYEING OR RECOLOR DYEING; Unit Package Type: CAN. 9 specifications are documented in the U.S. Government catalog.
Hazardous per DLA record (HMIC Y). Hazard information on this page is shown exactly as it appears in the DLA record.
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.