The Partial Thromboplastin Time Test, cataloged under National Stock Number 6550-01-478-4652, 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. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Partial Thromboplastin Time Test |
| FSC / FSG | 6550 — In Vitro Diagnostic Substances, Reagents, Test Kits and Sets (FSG 65) |
| Manufacturers | Werfen Usa Llc (CAGE 22270); Werfen Limited (CAGE U0693) |
| Parameter | Value |
|---|---|
| NSN | 6550-01-478-4652 |
| Primary Part Number | 20006300 |
| Item Name | Partial Thromboplastin Time Test |
| FSC / FSG | 6550 / 65 — In Vitro Diagnostic Substances, Reagents, Test Kits and Sets |
| Manufacturer | Werfen Usa Llc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
NSN 6550-01-478-4652 is a Partial Thromboplastin Time Test, manufactured by Werfen Usa Llc, classified under FSC 6550, In Vitro Diagnostic Substances, Reagents, Test Kits and Sets. Status: active.
NSN 6550-01-478-4652 has 2 manufacturer part numbers on file: 20006300 (Werfen Usa Llc), 20006300 (Werfen Limited).
1 possible match (shared part number, not a government interchangeability claim): 6550-01-511-0066. Verify interchangeability with system specifications before substitution.
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.