The Cuvette,test,activated Partial T, cataloged under National Stock Number 6550-01-519-3894, 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 Werfen Usa Llc. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 6550-01-519-3894 |
| Primary Part Number | J103 |
| Item Name | Cuvette,test,activated Partial T |
| FSC / FSG | 6550 / 65 — In Vitro Diagnostic Substances, Reagents, Test Kits and Sets |
| Manufacturer | Werfen Usa Llc |
| Status | ACTIVE |
| Supplementary Features | FOR USE WITH HEMOCHRON SIGNATURE JR |
| 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 |
NSN 6550-01-519-3894 is a Cuvette,test,activated Partial T, manufactured by Werfen Usa Llc, classified under FSC 6550, In Vitro Diagnostic Substances, Reagents, Test Kits and Sets. Status: active.
NSN 6550-01-519-3894 has 2 manufacturer part numbers on file: 1063689 (Henry Schein, Inc.), J103 (Werfen Usa Llc).
2 possible matches (shared part number, not a government interchangeability claim): 6150-01-519-3984, 6640-01-563-8520. Verify interchangeability with system specifications before substitution.
Key specifications for J103: Supplementary Features: FOR USE WITH HEMOCHRON SIGNATURE JR; Special Features: ACTIVATED PARTIAL THROMBOPLASTIN TIME TEST CUVETTE FOR USE WITH FRESH WHOLE BLOOD; USE WITH NSN 6630-01-519-3589 COAGULATION ANALYZER; BOX OF 45 CUVETTES. (DO NOT FREEZE), REFRIGERAT BETWEEN 2-8 DEGREES CELSIUS OR 35-46 DEGREE FAHRENHEIT.; Part Name Assigned by Controlling Agency: APTT TESTING CUVETTES FOR USE WITH NSN 6630-01-519-3589 COAGULATION ANALYZER BOX 45S. 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.