The Computer,special Purpose, cataloged under National Stock Number 1680-01-551-5577, is classified within Federal Supply Class 1680 (Miscellaneous Aircraft Accessories and Components) of the Aircraft Components and Accessories group. The manufacturer of record is General Dynamics Information Technology, Inc. Div Headquarters. The record lists 3 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Computer,special Purpose |
| FSC / FSG | 1680 — Miscellaneous Aircraft Accessories and Components (FSG 16) |
| Manufacturers | General Dynamics Information Technology, Inc. Div Headquarters (CAGE 07MU1); Adams Communication & Engineering Technology, Inc. Dba Adams Communication & Engineering Technology Inc Div Federal Government Division (CAGE 1UN08); General Dynamics Information Technology, Inc. (CAGE 4D170) |
| Parameter | Value |
|---|---|
| NSN | 1680-01-551-5577 |
| Primary Part Number | 22E1278-1 |
| Item Name | Computer,special Purpose |
| FSC / FSG | 1680 / 16 — Miscellaneous Aircraft Accessories and Components |
| Manufacturer | General Dynamics Information Technology, Inc. Div Headquarters |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| 22E1278-1 PRIMARY | General Dynamics Information Technology, Inc. Div Headquarters (USA) |
| 22E1278-1 | Adams Communication & Engineering Technology, Inc. Dba Adams Communication & Engineering Technology Inc Div Federal Government Division (USA) |
| 22E1278-1 | General Dynamics Information Technology, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 22E1278-1 | 3/1 Design control — primary reference U.S. Government activity |
| 22E1278-1 | 3/9 Design control — primary reference General Dynamics Information Technology, Inc. Div Csgov - Csra |
| 22E1278 | D/9 Drawing number reference only U.S. Government activity |
NSN 1680-01-551-5577 is a Computer,special Purpose, manufactured by General Dynamics Information Technology, Inc. Div Headquarters, classified under FSC 1680, Miscellaneous Aircraft Accessories and Components. Status: active.
NSN 1680-01-551-5577 has 3 manufacturer part numbers on file: 22E1278-1 (General Dynamics Information Technology, Inc. Div Headquarters), 22E1278-1 (Adams Communication & Engineering Technology, Inc. Dba Adams Communication & Engineering Technology Inc Div Federal Government Division), 22E1278-1 (General Dynamics Information Technology, Inc.).
1 possible match (shared part number, not a government interchangeability claim): 1680-01-552-0157. 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 1680-01-551-5577 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.