The Board Assembly, cataloged under National Stock Number 1220-00-070-2992, is classified within Federal Supply Class 1220 (Fire Control Computing Sights and Devices) of the Fire Control Equipment group. The manufacturer of record is Lockheed Martin Librascope Corporation. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Board Assembly |
| FSC / FSG | 1220 — Fire Control Computing Sights and Devices (FSG 12) |
| Manufacturers | Lockheed Martin Librascope Corporation (CAGE 36090) |
| Parameter | Value |
|---|---|
| NSN | 1220-00-070-2992 |
| Primary Part Number | BUWEPSDWG694931 |
| Item Name | Board Assembly |
| FSC / FSG | 1220 / 12 — Fire Control Computing Sights and Devices |
| Manufacturer | Lockheed Martin Librascope Corporation |
| 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 |
|---|---|
| BUWEPSDWG694931 PRIMARY | Lockheed Martin Librascope Corporation (USA) |
| L535003354 | Lockheed Martin Librascope Corporation (USA) |
| Reference | Meaning |
|---|---|
| 694931 | 3/9 Design control — primary reference Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
NSN 1220-00-070-2992 is a Board Assembly, manufactured by Lockheed Martin Librascope Corporation, classified under FSC 1220, Fire Control Computing Sights and Devices. Status: active.
NSN 1220-00-070-2992 has 2 manufacturer part numbers on file: BUWEPSDWG694931 (Lockheed Martin Librascope Corporation), L535003354 (Lockheed Martin Librascope Corporation).
2 possible matches (shared part number, not a government interchangeability claim): 5120-00-116-2975, 3110-00-241-0256. 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 1220-00-070-2992 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.