The Gear,antibacklash,spur, cataloged under National Stock Number 3020-01-415-9504, 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 Krupp Corporation. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-415-9504 |
| Primary Part Number | NF203176-1 |
| Item Name | Gear,antibacklash,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Krupp Corporation |
| Status | ACTIVE |
| Style Designator | PROTRUDING HUBS |
| Hub Style Designator | 1 STEP FIRST END |
| Hub Style Designator | 2 STEPS SECOND END |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| NF203176-1 PRIMARY | Krupp Corporation (USA) |
| Reference | Meaning |
|---|---|
| NF203176-1 | D/9 Drawing number reference only The Boeing Company Div Legacy Am&m |
| NF203176 | D/9 Drawing number reference only U.S. Government activity |
| NF203176-1 | 5/9 Secondary reference Speco Corp |
NSN 3020-01-415-9504 is a Gear,antibacklash,spur, manufactured by Krupp Corporation, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-415-9504 has 1 manufacturer part number on file: NF203176-1 (Krupp Corporation).
Key specifications for NF203176-1: Style Designator: PROTRUDING HUBS; Hub Style Designator: 1 STEP FIRST END; Hub Style Designator: 2 STEPS SECOND END; Special Features: INCLUDES GEAR SHAFT, NF203499-1, GEAR,SPUR NF203500-1, RIVET,SHOULDER, NF203483-1, AND SPRING,RADIAL, NF203486-1. 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.
NSN 3020-01-415-9504 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.