The Test Kit,silver Stain, cataloged under National Stock Number 6550-01-340-7973, 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 Sigma-Aldrich, Inc. Dba Sigma-Aldrich Sales, Inc. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 6550-01-340-7973 |
| Primary Part Number | HT100A-1KT |
| Item Name | Test Kit,silver Stain |
| FSC / FSG | 6550 / 65 — In Vitro Diagnostic Substances, Reagents, Test Kits and Sets |
| Manufacturer | Sigma-Aldrich, Inc. Dba Sigma-Aldrich Sales, Inc |
| Status | ACTIVE |
| General Characteristics Item Description | 100 ML BOTTLE PERIODIC SOLUTION 1; 100 ML BOTTLE BORAX SOLUTION 1; VIALS SILVER METHENEMINE REAGENT 12; 100 ML BOTTLE GOLD CHLORIDE SOLUTION 1; 100 ML BOTTLE SODIUM THIOSULFATE SOLUTION 1 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Hazardous per DLA record (HMIC Y) |
| Criticality Code | X |
| Unit of Issue | EA |
| Part Number | Manufacturer |
|---|---|
| HT100A-1KT PRIMARY | Sigma-Aldrich, Inc. Dba Sigma-Aldrich Sales, Inc (USA) |
| Reference | Meaning |
|---|---|
| HT100-A | 5/9 Secondary reference Sigma Chemical Co |
| HT100A-1KT | 3/9 Design control — primary reference Sigma-Aldrich Corporation |
| F91E348 | 5/1 Secondary reference Air Force Medical Logistics Office |
| SILVER STAIN KIT | 5/9 Secondary reference Sigma Chemical Co |
NSN 6550-01-340-7973 is a Test Kit,silver Stain, manufactured by Sigma-Aldrich, Inc. Dba Sigma-Aldrich Sales, Inc, classified under FSC 6550, In Vitro Diagnostic Substances, Reagents, Test Kits and Sets. Status: active.
NSN 6550-01-340-7973 has 1 manufacturer part number on file: HT100A-1KT (Sigma-Aldrich, Inc. Dba Sigma-Aldrich Sales, Inc).
Key specifications for HT100A-1KT: General Characteristics Item Description: 100 ML BOTTLE PERIODIC SOLUTION 1; 100 ML BOTTLE BORAX SOLUTION 1; VIALS SILVER METHENEMINE REAGENT 12; 100 ML BOTTLE GOLD CHLORIDE SOLUTION 1; 100 ML BOTTLE SODIUM THIOSULFATE SOLUTION 1; Part Name Assigned by Controlling Agency: TEST KIT SILVER STAIN. 1 specification is 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.