The AC Filter Box Assem, cataloged under National Stock Number 4140-01-519-1090, is classified within Federal Supply Class 4140 (Fans, Air Circulators, and Blower Equipment) of the Refrigeration, AC, and Air Circulating Equipment group. The manufacturer of record is Lockheed Martin Corporation Div Rms - Manassas. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4140-01-519-1090 |
| Primary Part Number | B967 |
| Item Name | AC Filter Box Assem |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Manufacturer | Lockheed Martin Corporation Div Rms - Manassas |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| B967 PRIMARY | Lockheed Martin Corporation Div Rms - Manassas (USA) |
| 144226-1 | Drs Technologies Canada Ltd (CAN) |
| Reference | Meaning |
|---|---|
| B967 | 3/2 Design control — primary reference U.S. Government activity |
| 144226-1 | 5/9 Secondary reference Drs Technologies Canada Ltd |
| 144226-1 | 5/2 Secondary reference U.S. Government activity |
NSN 4140-01-519-1090 is a AC Filter Box Assem, manufactured by Lockheed Martin Corporation Div Rms - Manassas, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
NSN 4140-01-519-1090 has 2 manufacturer part numbers on file: B967 (Lockheed Martin Corporation Div Rms - Manassas), 144226-1 (Drs Technologies Canada Ltd).
Key specifications for B967: End Item Identification: AN/UYQ-70(V) ADV DISPLAY SYS N/A FOR COSAL USE. 0 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). 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.