The Wash Concentrate, cataloged under National Stock Number 6550-01-374-3569, 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 Tosoh Bioscience, 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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. Unit of issue: PG.
| Parameter | Value |
|---|---|
| NSN | 6550-01-374-3569 |
| Primary Part Number | 020955 |
| Item Name | Wash Concentrate |
| FSC / FSG | 6550 / 65 — In Vitro Diagnostic Substances, Reagents, Test Kits and Sets |
| Manufacturer | Tosoh Bioscience, Inc. |
| Status | ACTIVE |
| General Characteristics Item Description | FOUR 100 ML BOTTLES WASH CONCENTRATE; BUFFER SOLUTION W/DETERGENT; USE W/AIA-PACK ASSAY ON AIA-1200/AIA-600 ANALYZER SYSTEM; REFRIGERATE 2-8 DEG C DEGC |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Unit of Issue | PG |
| Part Number | Manufacturer |
|---|---|
| 020955 PRIMARY | Tosoh Bioscience, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 020955 | 5/9 Secondary reference Tosoh Medics Inc |
| 21-279-112 | 5/9 Secondary reference Fisher Scientific Company L.l.c. |
| F93C226 | 5/1 Secondary reference Air Force Medical Logistics Office |
NSN 6550-01-374-3569 is a Wash Concentrate, manufactured by Tosoh Bioscience, Inc., classified under FSC 6550, In Vitro Diagnostic Substances, Reagents, Test Kits and Sets. Status: active.
NSN 6550-01-374-3569 has 1 manufacturer part number on file: 020955 (Tosoh Bioscience, Inc.).
1 possible match (shared part number, not a government interchangeability claim): 6640-01-497-9968. Verify interchangeability with system specifications before substitution.
Key specifications for 020955: General Characteristics Item Description: FOUR 100 ML BOTTLES WASH CONCENTRATE; BUFFER SOLUTION W/DETERGENT; USE W/AIA-PACK ASSAY ON AIA-1200/AIA-600 ANALYZER SYSTEM; REFRIGERATE 2-8 DEG C DEGC; Part Name Assigned by Controlling Agency: WASH CONCENTRATE USE W/AIA-PACK ASSAY ON AIA-1200/AIA-600 SYS 4S. 1 specification is 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.