The Gear,spur, cataloged under National Stock Number 3020-01-152-3172, 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 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-152-3172 |
| Primary Part Number | S5501-34 PIECE 129 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Features Provided | INTEGRAL KEY |
| 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 |
|---|---|
| S5501-34 PIECE 129 | Naval Sea Systems Command (USA) |
| G-9801 PIECE 129 | Siemens Energy, Inc. (USA) |
| Reference | Meaning |
|---|---|
| S5501-34 | D/9 Drawing number reference only Naval Sea Systems Command |
| G-9801 | D/9 Drawing number reference only Siemens Energy, Inc. |
| W429AS-5X2 | 5/9 Secondary reference Siemens Energy, Inc. |
| W429AS-5X2 | 3/9 Design control — primary reference Imo Industries Inc Delroyd Worm Gear Div |
NSN 3020-01-152-3172 is a Gear,spur, manufactured by Naval Sea Systems Command, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-152-3172 has 2 manufacturer part numbers on file: S5501-34 PIECE 129 (Naval Sea Systems Command), G-9801 PIECE 129 (Siemens Energy, Inc.).
Key specifications for S5501-34 PIECE 129: Features Provided: INTEGRAL KEY. 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.