The Block,special, cataloged under National Stock Number 2925-00-474-3634, is classified within Federal Supply Class 2925 (Engine Electrical System Components, Aircraft Prime Moving) of the Engine Accessories group. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2925-00-474-3634 |
| Item Name | Block,special |
| FSC / FSG | 2925 / 29 — Engine Electrical System Components, Aircraft Prime Moving |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| IS52307M | 3/9 Design control — primary reference Adams Aircraft International Inc |
| IS52307 | 5/9 Secondary reference Ambac International Corporation Div Ambac International |
| IS52307M | 5/9 Secondary reference Ambac International Corporation Div Ambac International |
| IS52307 | 5/9 Secondary reference Adams Aircraft International Inc |
NSN 2925-00-474-3634 is a Block,special, classified under FSC 2925, Engine Electrical System Components, Aircraft Prime Moving. Status: active.
Key specifications for 2925-00-474-3634: End Item Identification: ENGINE MODEL R-1820. 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.
NSN 2925-00-474-3634 has DEMIL Code B. 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.