The Theophylline Extended-Release Ta, cataloged under National Stock Number 6505-01-070-0821, is classified within Federal Supply Class 6505 (Drugs and Biologicals) of the Medical, Dental, and Veterinary Equipment group. The manufacturer of record is Forest Pharmaceuticals Inc Sub of Forest Laboratories Inc. Government technical data includes 4 specifications, 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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: BT.
| Parameter | Value |
|---|---|
| NSN | 6505-01-070-0821 |
| Primary Part Number | NDC00258-3583-10 |
| Item Name | Theophylline Extended-Release Ta |
| FSC / FSG | 6505 / 65 — Drugs and Biologicals |
| Manufacturer | Forest Pharmaceuticals Inc Sub of Forest Laboratories Inc |
| Status | ACTIVE |
| Therapeutic Equivalent | SCHERING |
| Primary Container Content Quantity | 1000.000 TABLETS |
| Primary Container Type | BOTTLE |
| Active Medicament Medicinal Strength | 200.000 MILLIGRAMS THEOPHYLLINE ACTIVE INGREDIENT |
| 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 | BT |
| Part Number | Manufacturer |
|---|---|
| NDC00258-3583-10 | Forest Pharmaceuticals Inc Sub of Forest Laboratories Inc (USA) |
| Reference | Meaning |
|---|---|
| THEO-DUR TABLETS | 5/9 Secondary reference Schering-Plough Corporation |
| NDC00085-0933-10 | 5/9 Secondary reference Schering Corp an Affil of Schering-Plough Corp |
| NDC00085-0933-10 | 3/9 Design control — primary reference Schering-Plough Corporation |
NSN 6505-01-070-0821 is a Theophylline Extended-Release Ta, manufactured by Forest Pharmaceuticals Inc Sub of Forest Laboratories Inc, classified under FSC 6505, Drugs and Biologicals. Status: active.
NSN 6505-01-070-0821 has 1 manufacturer part number on file: NDC00258-3583-10 (Forest Pharmaceuticals Inc Sub of Forest Laboratories Inc).
1 possible match (shared part number, not a government interchangeability claim): 6505-01-371-7815. Verify interchangeability with system specifications before substitution.
Key specifications for NDC00258-3583-10: Therapeutic Equivalent: SCHERING; Primary Container Content Quantity: 1000.000 TABLETS; Primary Container Type: BOTTLE; Special Features: ANHYDROUS. 4 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.