The Filter,coupler,airc, cataloged under National Stock Number 1680-01-475-8452, is classified within Federal Supply Class 1680 (Miscellaneous Aircraft Accessories and Components) of the Aircraft Components and Accessories group. The manufacturer of record is Navy, United States Department of the Dba Naval Surface Warfare Center Div Naval Surface Warfare Center Crane Division. The record lists 2 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | Filter,coupler,airc |
| FSC / FSG | 1680 — Miscellaneous Aircraft Accessories and Components (FSG 16) |
| Manufacturers | Navy, United States Department of the Dba Naval Surface Warfare Center Div Naval Surface Warfare Center Crane Division (CAGE 12255); Northrop Grumman Systems Corporation (CAGE 8KLB6) |
| Parameter | Value |
|---|---|
| NSN | 1680-01-475-8452 |
| Primary Part Number | 1452289-1 |
| Item Name | Filter,coupler,airc |
| FSC / FSG | 1680 / 16 — Miscellaneous Aircraft Accessories and Components |
| Manufacturer | Navy, United States Department of the Dba Naval Surface Warfare Center Div Naval Surface Warfare Center Crane Division |
| 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 | X |
| Part Number | Manufacturer |
|---|---|
| 1452289-1 | Navy, United States Department of the Dba Naval Surface Warfare Center Div Naval Surface Warfare Center Crane Division (USA) |
| 1452289-1 | Northrop Grumman Systems Corporation (USA) |
| Reference | Meaning |
|---|---|
| 93346/1452289-1 | 5/9 Secondary reference U.S. Government activity |
| 1452289-1 | 3/9 Design control — primary reference Atk Space Systems Llc |
| 1452289-1 | 5/9 Secondary reference U.S. Government activity |
| 1452289 | D/9 Drawing number reference only U.S. Government activity |
NSN 1680-01-475-8452 is a Filter,coupler,airc, manufactured by Navy, United States Department of the Dba Naval Surface Warfare Center Div Naval Surface Warfare Center Crane Division, classified under FSC 1680, Miscellaneous Aircraft Accessories and Components. Status: active.
NSN 1680-01-475-8452 has 2 manufacturer part numbers on file: 1452289-1 (Navy, United States Department of the Dba Naval Surface Warfare Center Div Naval Surface Warfare Center Crane Division), 1452289-1 (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 1680-01-475-8452 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.