The Gear,spur, cataloged under National Stock Number 3020-01-188-3784, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Moog Inc. Dba Ampac-Isp Corp. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 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 | 3020-01-188-3784 |
| Primary Part Number | 25990 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Moog Inc. Dba Ampac-Isp Corp |
| Status | ACTIVE |
| Material | STEEL CORROSION RESISTING OVERALL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 25990 PRIMARY | Moog Inc. Dba Ampac-Isp Corp (USA) |
| 42-26950 ITEM 1 | Moog Inc. Dba Ampac-Isp Corp (USA) |
NSN 3020-01-188-3784 is a Gear,spur, manufactured by Moog Inc. Dba Ampac-Isp Corp, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-188-3784 has 2 manufacturer part numbers on file: 25990 (Moog Inc. Dba Ampac-Isp Corp), 42-26950 ITEM 1 (Moog Inc. Dba Ampac-Isp Corp).
1 possible match (shared part number, not a government interchangeability claim): 6515-01-473-1551. Verify interchangeability with system specifications before substitution.
Key specifications for 25990: Material: STEEL CORROSION RESISTING OVERALL. 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.
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.