The Ram Air Drive Assy, cataloged under National Stock Number 1680-00-607-1905, is classified within Federal Supply Class 1680 (Miscellaneous Aircraft Accessories and Components) of the Aircraft Components and Accessories group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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.
| Parameter | Value |
|---|---|
| NSN | 1680-00-607-1905 |
| Item Name | Ram Air Drive Assy |
| FSC / FSG | 1680 / 16 — Miscellaneous Aircraft Accessories and Components |
| Status | ACTIVE |
| General Characteristics Item Description | RING RETAINER-1.653 IN. DIA IN |
| 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 |
| Reference | Meaning |
|---|---|
| 6503040 | 5/9 Secondary reference Aeroproducts Opns of Allison Div of General Motors Corp |
| 6503040 | 5/9 Secondary reference General Motors Corp |
| 6503040 | 3/2 Design control — primary reference U.S. Government activity |
NSN 1680-00-607-1905 is a Ram Air Drive Assy, classified under FSC 1680, Miscellaneous Aircraft Accessories and Components. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 2510-01-515-1768. Verify interchangeability with system specifications before substitution.
Key specifications for 1680-00-607-1905: General Characteristics Item Description: RING RETAINER-1.653 IN. DIA IN. 1 specification is 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.
NSN 1680-00-607-1905 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.