The Diff Press Sensor,a, cataloged under National Stock Number 1680-01-581-7949, is classified within Federal Supply Class 1680 (Miscellaneous Aircraft Accessories and Components) of the Aircraft Components and Accessories group. The manufacturer of record is Pall Aeropower 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Diff Press Sensor,a |
| FSC / FSG | 1680 — Miscellaneous Aircraft Accessories and Components (FSG 16) |
| Manufacturers | Pall Aeropower Corporation (CAGE 18350); Northrop Grumman Systems Corporation (CAGE 79RG9) |
| Parameter | Value |
|---|---|
| NSN | 1680-01-581-7949 |
| Primary Part Number | A290911A |
| Item Name | Diff Press Sensor,a |
| FSC / FSG | 1680 / 16 — Miscellaneous Aircraft Accessories and Components |
| Manufacturer | Pall Aeropower Corporation |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| A290911A PRIMARY | Pall Aeropower Corporation (USA) |
| 123SCE5201-27 | Northrop Grumman Systems Corporation (USA) |
| Reference | Meaning |
|---|---|
| 123SCEC5201-27 | 5/9 Secondary reference Northrop Grumman Systems Corporation |
NSN 1680-01-581-7949 is a Diff Press Sensor,a, manufactured by Pall Aeropower Corporation, classified under FSC 1680, Miscellaneous Aircraft Accessories and Components. Status: active.
NSN 1680-01-581-7949 has 2 manufacturer part numbers on file: A290911A (Pall Aeropower Corporation), 123SCE5201-27 (Northrop Grumman Systems Corporation).
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 1680-01-581-7949 has DEMIL Code Q. 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.