The Counter Drum Assemb, cataloged under National Stock Number 5845-00-860-1102, is classified within Federal Supply Class 5845 (Underwater Sound Equipment) of the Communication, Detection, and Coherent Radiation Equipment group. The manufacturer of record is Lockheed Martin Corporation Div Rms. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 5 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Counter Drum Assemb |
| FSC / FSG | 5845 — Underwater Sound Equipment (FSG 58) |
| Manufacturers | Lockheed Martin Corporation Div Rms (CAGE 03538) |
| Parameter | Value |
|---|---|
| NSN | 5845-00-860-1102 |
| Primary Part Number | 4826 |
| Item Name | Counter Drum Assemb |
| FSC / FSG | 5845 / 58 — Underwater Sound Equipment |
| Manufacturer | Lockheed Martin Corporation Div Rms |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 4826-1 | Lockheed Martin Corporation Div Rms (USA) |
| 4826 PRIMARY | Lockheed Martin Corporation Div Rms (USA) |
| Reference | Meaning |
|---|---|
| 4826-1 | 5/9 Secondary reference Martin Marietta Technologies Inc Sub of Martin Marietta Corp Aero and Naval Systems |
| 0000C4826 | C/1 Advisory reference — outside the item-of-supply concept Lockheed Martin Corporation Div Rms |
| 4826 | 5/9 Secondary reference Martin Marietta Technologies Inc Sub of Martin Marietta Corp Aero and Naval Systems |
NSN 5845-00-860-1102 is a Counter Drum Assemb, manufactured by Lockheed Martin Corporation Div Rms, classified under FSC 5845, Underwater Sound Equipment. Status: active.
NSN 5845-00-860-1102 has 2 manufacturer part numbers on file: 4826-1 (Lockheed Martin Corporation Div Rms), 4826 (Lockheed Martin Corporation Div Rms).
5 possible matches (shared part number, not a government interchangeability claim): 5940-00-954-3558, 4720-01-223-3550, 2520-01-526-7392. Verify interchangeability with system specifications before substitution.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 5845-00-860-1102 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.