The Methyl Orange Solution, cataloged under National Stock Number 6810-01-428-8981, is classified within Federal Supply Class 6810 (Chemicals) of the Chemicals and Chemical Products group. The manufacturer of record is Avantor Performance Materials, Inc.. Government technical data includes 2 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6810-01-428-8981 |
| Primary Part Number | 5925-01 |
| Item Name | Methyl Orange Solution |
| FSC / FSG | 6810 / 68 — Chemicals |
| Manufacturer | Avantor Performance Materials, Inc. |
| Status | ACTIVE |
| Solute Grade | REAGENT |
| Formulation Designation | LIQUID SPECIAL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Hazardous per DLA record (HMIC Y) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 5925-01 | Avantor Performance Materials, Inc. (USA) |
| Reference | Meaning |
|---|---|
| SM54-500 | 3/9 Design control — primary reference Fisher Scientific Company L.l.c. |
| METHYL ORANGE/PT | 5/9 Secondary reference Ecolink Inc |
| METHYL ORANGE/PT | 5/9 Secondary reference Illinois Tool Works, Inc. Div Magnaflux |
NSN 6810-01-428-8981 is a Methyl Orange Solution, manufactured by Avantor Performance Materials, Inc., classified under FSC 6810, Chemicals. Status: active.
NSN 6810-01-428-8981 has 1 manufacturer part number on file: 5925-01 (Avantor Performance Materials, Inc.).
1 possible match (shared part number, not a government interchangeability claim): 1660-01-596-4150. Verify interchangeability with system specifications before substitution.
Key specifications for 5925-01: Solute Grade: REAGENT; Formulation Designation: LIQUID SPECIAL; Special Features: PINT REFILL FOR METHYL ORANGE SOLUTION IN THE DARACLEAN 235 TEST KIT. 2 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.