The Fentanyl Transdermal System, cataloged under National Stock Number 6505-01-656-4255, is classified within Federal Supply Class 6505 (Drugs and Biologicals) of the Medical, Dental, and Veterinary Equipment group. The manufacturer of record is Alvogen, Inc.. Government technical data includes 3 specifications, 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: BX.
| Parameter | Value |
|---|---|
| NSN | 6505-01-656-4255 |
| Primary Part Number | NDC47781-0426-47 |
| Item Name | Fentanyl Transdermal System |
| FSC / FSG | 6505 / 65 — Drugs and Biologicals |
| Manufacturer | Alvogen, Inc. |
| Status | ACTIVE |
| Controlled Substance Classification | SCHEDULE II |
| Usual Dose | 50MCG/HR |
| Features Provided | INDIVIDUALLY SEALED |
| 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 | BX |
| Part Number | Manufacturer |
|---|---|
| NDC47781-0426-47 PRIMARY | Alvogen, Inc. (USA) |
| NDC00378-9122-98 PRIMARY | Mylan Pharmaceuticals Inc (USA) |
| Reference | Meaning |
|---|---|
| NDC00406-9050-76 | 5/9 Secondary reference Mallinckrodt Llc Div Dosage Pharmaceutical |
| 6505NCM162979 | 5/1 Secondary reference Defense Medical Standardization Board |
| 1417448 | 5/1 Secondary reference U.S. Government activity |
| NDC00591-3212-72 | 5/9 Secondary reference Actavis Pharma, Inc. |
NSN 6505-01-656-4255 is a Fentanyl Transdermal System, manufactured by Alvogen, Inc., classified under FSC 6505, Drugs and Biologicals. Status: active.
NSN 6505-01-656-4255 has 2 manufacturer part numbers on file: NDC47781-0426-47 (Alvogen, Inc.), NDC00378-9122-98 (Mylan Pharmaceuticals Inc).
Key specifications for NDC47781-0426-47: Controlled Substance Classification: SCHEDULE II; Usual Dose: 50MCG/HR; Features Provided: INDIVIDUALLY SEALED; Special Features: ROUTE: TRANSDERMAL; DOSE FORM: PATCH, TRANSDERMAL 72 HOURS; STRENGTH: 50 MCG/HOUR; DEA CONTROLLED II SUBSTANCE; INDIVIDUALLY SEALED; CONTAINS FIVE (50 MCG/HR) TRANSDERMAL SYSTEMS; STORE IN ORIGINAL UNOPENED POUCH; STORE UP TO 20 C TO 25 C (68 F TO 77 F); STRICT ADHERENCE TO THE RECOMMENDED HANDLING AND DISPOSAL INSTRUCTIONS ON PRODUCT INSERT IS OF THE UTMOST IMPORTANCE TO PREVENT ACCIDENTAL EXPOSURE; EXPOSURE OF FENTANYL TRANSDERMAL SYSTEM APPLICATION SITE AND SURROUNDING AREA TO DIRECT EXTERNAL HEAT SOURCES, SUCH AS HEATING PADS, SAUNAS, HOT TUBS AND HEATED WATER BEDS MAY INCREASE FENTANYL ABSORPTION AND RESULT IN FATAL OVERDOSE OF FENTANYL AND DEATH; PATIENTS WHO DEVELOP FEVER OR INCREASED CORE BODY TEMPERATURE DUE TO STRENOUS EXERTION ARE ALSO AT RISK FOR INCREASED FENTANYL EXPOSURE AND MAY REQUIRE AN ADJUSTMENT IN THE DOSE OF FENTANYL TRANSDERMAL SYSTEM TO AVOID OVERDOSE. 3 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.