The Gear,spur, cataloged under National Stock Number 3020-01-495-0523, 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 Designatronics Inc Div Stock Drive Products. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-495-0523 |
| Primary Part Number | A1C2-N24040 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Designatronics Inc Div Stock Drive Products |
| Status | ACTIVE |
| 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 |
|---|---|
| A1C2-N24040 PRIMARY | Designatronics Inc Div Stock Drive Products (USA) |
| A1C2-N24040 PRIMARY | Sdp Inc (USA) |
| 581-6985421-36 | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| H611-1405-36 | 5/2 Secondary reference U.S. Government activity |
| 6985421 | D/9 Drawing number reference only Naval Sea Systems Command |
NSN 3020-01-495-0523 is a Gear,spur, manufactured by Designatronics Inc Div Stock Drive Products, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-495-0523 has 3 manufacturer part numbers on file: A1C2-N24040 (Designatronics Inc Div Stock Drive Products), A1C2-N24040 (Sdp Inc), 581-6985421-36 (Naval Sea Systems Command).
4 possible matches (shared part number, not a government interchangeability claim): 3020-01-495-2975, 5365-01-497-3193, 5365-01-497-3419. Verify interchangeability with system specifications before substitution.
Key specifications for A1C2-N24040: End Item Identification: INDICATOR ASS,LOS ANGELES CLASS SSN (688). 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.
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.