The I0,box Assembly, cataloged under National Stock Number 5820-01-643-8149, is classified within Federal Supply Class 5820 (Radio and Television Communication Equipment, Except Airborne) of the Communication, Detection, and Coherent Radiation Equipment group. The manufacturer of record is Lockheed Martin Corporation Div Rms - Manassas. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 6 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5820-01-643-8149 |
| Primary Part Number | N128845-3 |
| Item Name | I0,box Assembly |
| FSC / FSG | 5820 / 58 — Radio and Television Communication Equipment, Except Airborne |
| Manufacturer | Lockheed Martin Corporation Div Rms - Manassas |
| Status | ACTIVE |
| Criticality Code Justification | FEAT |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| LT-2000608-00 | Lockheed Martin Corporation Div Rms - Manassas (USA) |
| LT-2000608-01 | Laurel Technologies Partnership Dba Drs Laurel Technologies (USA) |
| N128845-2 | Lockheed Martin Corporation Div Rms - Manassas (USA) |
| LT-2000608-01 | Lockheed Martin Corporation Div Rms - Manassas (USA) |
| N128845-3 PRIMARY | Lockheed Martin Corporation Div Rms - Manassas (USA) |
| LT-2000608-00 | Laurel Technologies Partnership Dba Drs Laurel Technologies (USA) |
NSN 5820-01-643-8149 is a I0,box Assembly, manufactured by Lockheed Martin Corporation Div Rms - Manassas, classified under FSC 5820, Radio and Television Communication Equipment, Except Airborne. Status: active.
NSN 5820-01-643-8149 has 6 manufacturer part numbers on file: LT-2000608-00 (Lockheed Martin Corporation Div Rms - Manassas), LT-2000608-01 (Laurel Technologies Partnership Dba Drs Laurel Technologies), N128845-2 (Lockheed Martin Corporation Div Rms - Manassas), LT-2000608-01 (Lockheed Martin Corporation Div Rms - Manassas), N128845-3 (Lockheed Martin Corporation Div Rms - Manassas) and 1 more.
Key specifications for N128845-3: Criticality Code Justification: FEAT; Special Features: APART, ASSEMBLY, OR SYSTEM IDENTIFIED AS ESSENTIAL TO WEAPON SYSTEM PERFORMANCE OR OPERATION TO PRESERVE LIFE AND SAFETY OF PERSONNEL. 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.