The Gear and Pinion Assembly, cataloged under National Stock Number 3020-01-157-5166, 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 Circor Pumps North America Llc. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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 | 3020-01-157-5166 |
| Primary Part Number | SG-3106 PC 115,116,AND 37 |
| Item Name | Gear and Pinion Assembly |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Circor Pumps North America Llc |
| Status | ACTIVE |
| General Characteristics Item Description | CONSISTS OF STEEL GEAR,P/N W429N-6X1;STEEL PINION,P/N W416N-6X1 AND STEEL SHIM P/N S2423-SM |
| 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 |
|---|---|
| SG-3106 PC 115,116,AND 37 | Circor Pumps North America Llc (USA) |
| Reference | Meaning |
|---|---|
| SG-3106 | 5/9 Secondary reference Siemens Energy, Inc. |
| SG-3106 | D/9 Drawing number reference only Circor Pumps North America Llc |
| W429-0101 | 5/9 Secondary reference Siemens Energy, Inc. |
| SG-3106 PC 115,116,AND 37 | 5/9 Secondary reference Siemens Energy, Inc. |
| W429-0101 | 3/9 Design control — primary reference Imo Industries Inc Delroyd Worm Gear Div |
NSN 3020-01-157-5166 is a Gear and Pinion Assembly, manufactured by Circor Pumps North America Llc, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-157-5166 has 1 manufacturer part number on file: SG-3106 PC 115,116,AND 37 (Circor Pumps North America Llc).
3 possible matches (shared part number, not a government interchangeability claim): 4820-01-198-1194, 4820-01-198-1245, 5340-01-222-7815. Verify interchangeability with system specifications before substitution.
Key specifications for SG-3106 PC 115,116,AND 37: General Characteristics Item Description: CONSISTS OF STEEL GEAR,P/N W429N-6X1;STEEL PINION,P/N W416N-6X1 AND STEEL SHIM P/N S2423-SM. 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.