The Gear,bevel, cataloged under National Stock Number 3020-01-481-3601, 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 Naval Sea Systems Command. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 3020-01-481-3601 |
| Primary Part Number | 123-1680562 PC 49 |
| Item Name | Gear,bevel |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Style Designator | PERIPHERAL FACE, FRONT HUB RECESSED |
| Material Document and Classification | SAE4140 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Material | STEEL COMP 4140 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 |
|---|---|
| 123-1680562 PC 49 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 1680562 | D/9 Drawing number reference only U.S. Government activity |
NSN 3020-01-481-3601 is a Gear,bevel, manufactured by Naval Sea Systems Command, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-481-3601 has 1 manufacturer part number on file: 123-1680562 PC 49 (Naval Sea Systems Command).
1 possible match (shared part number, not a government interchangeability claim): 3010-01-481-3820. Verify interchangeability with system specifications before substitution.
Key specifications for 123-1680562 PC 49: Style Designator: PERIPHERAL FACE, FRONT HUB RECESSED; Material Document and Classification: SAE4140 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Special Features: NHA V.S.W.T. DOORS FOR SAS ELEV.; End Item Identification: CVA-63 USS KITTY HAWK. 3 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.