The Gear Sector,worm Wheel, cataloged under National Stock Number 3020-01-435-8905, 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 Emerson Automation Solutions Final Control Us Lp. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government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 | 3020-01-435-8905 |
| Primary Part Number | 137-924-180-428-001 |
| Item Name | Gear Sector,worm Wheel |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Emerson Automation Solutions Final Control Us Lp |
| Status | ACTIVE |
| Bore Style | W/ KEYWAY BOTH ENDS |
| Material | IRON 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 |
|---|---|
| 137-924-180-428-001 PRIMARY | Emerson Automation Solutions Final Control Us Lp (USA) |
| SM0958 IT 7 | Emerson Automation Solutions Final Control Us Lp (USA) |
| SM0958-7 PRIMARY | Emerson Automation Solutions Final Control Us Lp (USA) |
| Reference | Meaning |
|---|---|
| SM0958 | D/9 Drawing number reference only Emerson Automation Solutions Final Control Us Lp |
NSN 3020-01-435-8905 is a Gear Sector,worm Wheel, manufactured by Emerson Automation Solutions Final Control Us Lp, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-435-8905 has 3 manufacturer part numbers on file: 137-924-180-428-001 (Emerson Automation Solutions Final Control Us Lp), SM0958 IT 7 (Emerson Automation Solutions Final Control Us Lp), SM0958-7 (Emerson Automation Solutions Final Control Us Lp).
4 possible matches (shared part number, not a government interchangeability claim): 3040-01-435-8908, 3040-01-435-8910, 4820-01-436-1482. Verify interchangeability with system specifications before substitution.
Key specifications for 137-924-180-428-001: Bore Style: W/ KEYWAY BOTH ENDS; Special Features: 2 KEYWAYS LOCATED 90 DEGREES APART; End Item Identification: SEAWOLF CLASS; Material: IRON OVERALL. 2 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.