The Gear,worm, cataloged under National Stock Number 3020-01-474-9912, 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 4 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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 | 3020-01-474-9912 |
| Primary Part Number | 752-7068468-13 |
| Item Name | Gear,worm |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Face Type | STRAIGHT |
| Material Document and Classification | ANSI 892.1-1970 STANDARD FED SPEC SINGLE MATERIAL RESPONSE BODY |
| Pressure Angle | 30.0000 DEGREES |
| Material | STEEL BODY |
| 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 |
|---|---|
| 752-7068468-13 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| H832-1651 | D/9 Drawing number reference only U.S. Government activity |
NSN 3020-01-474-9912 is a Gear,worm, manufactured by Naval Sea Systems Command, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-474-9912 has 1 manufacturer part number on file: 752-7068468-13 (Naval Sea Systems Command).
3 possible matches (shared part number, not a government interchangeability claim): 3040-01-475-0009, 3040-01-475-0328, 5315-01-475-3194. Verify interchangeability with system specifications before substitution.
Key specifications for 752-7068468-13: Face Type: STRAIGHT; Material Document and Classification: ANSI 892.1-1970 STANDARD FED SPEC SINGLE MATERIAL RESPONSE BODY; Special Features: DIAMETRAL PITCH IS 20/40; TYPE-FLAT ROOT SIDE FIT -MODIFIED, CLASS 5; INVOLUTE FORM DIAMETER IS 1.054; MAJOR DIAMETER IS 1.072 MAX; CIRCULAR SPACE WIDTH MAXIMUM ACTUAL IS .0813 AND MINIMUM EFFECTIVE IS .0785; Part Name Assigned by Controlling Agency: WEAPONS HANDLING ATHWARTSHIP DRIVE GEARBOX SUB ASSSEMBLY AND DETAILS. 4 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.