The Nitrate Reduction Test Reagent, cataloged under National Stock Number 6550-01-385-4727, is classified within Federal Supply Class 6550 (In Vitro Diagnostic Substances, Reagents, Test Kits and Sets) of the Medical, Dental, and Veterinary Equipment group. The manufacturer of record is Championx Llc Div Championx. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6550-01-385-4727 |
| Primary Part Number | 420-C0318.88 |
| Item Name | Nitrate Reduction Test Reagent |
| FSC / FSG | 6550 / 65 — In Vitro Diagnostic Substances, Reagents, Test Kits and Sets |
| Manufacturer | Championx Llc Div Championx |
| Status | ACTIVE |
| Primary Container Type | BOTTLE, DROPPER |
| Physical Form | LIQUID |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 420-C0318.88 PRIMARY | Championx Llc Div Championx (USA) |
| Reference | Meaning |
|---|---|
| CO-318 | 5/9 Secondary reference Nalco Co |
| CO-318 | 5/9 Secondary reference U.S. Government activity |
| 420-C0318.88 | 3/9 Design control — primary reference U.S. Government activity |
NSN 6550-01-385-4727 is a Nitrate Reduction Test Reagent, manufactured by Championx Llc Div Championx, classified under FSC 6550, In Vitro Diagnostic Substances, Reagents, Test Kits and Sets. Status: active.
NSN 6550-01-385-4727 has 1 manufacturer part number on file: 420-C0318.88 (Championx Llc Div Championx).
Key specifications for 420-C0318.88: Primary Container Type: BOTTLE, DROPPER; Physical Form: LIQUID; Special Features: TEST KIT CONTAINS N-1 INDICATOR PART NUMBER SO-770 AND N-2 TITRANT PART NUMBER SO-771 DESIGNED WITH SPECIAL EMPHASIS ON APPLICATIONS WHERE NITRITES ARE USED TO INHIBIT CORROSION; USED ON DIESEL ENGINE P/N 6V92TA 8062 7404. 2 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). 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.