The Servo Subassembly, cataloged under National Stock Number 5840-00-308-5339, is classified within Federal Supply Class 5840 (Radar Equipment, Except Airborne) of the Communication, Detection, and Coherent Radiation Equipment group. The manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. The record lists 3 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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.
| Item Name | Servo Subassembly |
| FSC / FSG | 5840 — Radar Equipment, Except Airborne (FSG 58) |
| Manufacturers | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (CAGE 10001); Firstmark Aerospace Corp (CAGE 3BMV1) |
| Parameter | Value |
|---|---|
| NSN | 5840-00-308-5339 |
| Primary Part Number | D154246 |
| Item Name | Servo Subassembly |
| FSC / FSG | 5840 / 58 — Radar Equipment, Except Airborne |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| 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 |
|---|---|
| D154246 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| BR91559 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| D154246 PRIMARY | Firstmark Aerospace Corp (USA) |
| Reference | Meaning |
|---|---|
| BR91559 | 5/9 Secondary reference American Telephone and Telegraph Co |
| BR91559 | 5/9 Secondary reference At and T Corp |
| D154246 | 5/9 Secondary reference American Telephone and Telegraph Co |
| D154246 | 5/9 Secondary reference U.S. Government activity |
NSN 5840-00-308-5339 is a Servo Subassembly, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 5840, Radar Equipment, Except Airborne. Status: active.
NSN 5840-00-308-5339 has 3 manufacturer part numbers on file: D154246 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), BR91559 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), D154246 (Firstmark Aerospace Corp).
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 5840-00-308-5339 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.