The Gear,spur, cataloged under National Stock Number 3020-01-101-7454, 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 DP Mfg Inc. Government technical data includes 17 specifications, 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. 2 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 | 3020-01-101-7454 |
| Primary Part Number | 81106 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | DP Mfg Inc |
| Status | ACTIVE |
| Bore Nominal Diameter | 1.000 INCHES BOTH ENDS IN |
| Hub Nominal Diameter | 1.750 INCHES BOTH ENDS IN |
| Teeth Quantity | 20 |
| Body Style | PLAIN, SOLID |
| Bore Style | INVOLUTE SPLINE BOTH ENDS |
| Nominal Distance Between Body Face and Protruding Hub End | 0.860 INCHES FIRST END IN |
| Nominal Distance Between Body Face and Protruding Hub End | 0.010 INCHES SECOND END IN |
| Style Designator | PROTRUDING HUBS |
| Pitch Diameter | 2.1000 INCHES NOMINAL IN |
| Tooth Form | STANDARD |
| Hub Style Designator | PLAIN BOTH ENDS |
| Spline Quantity | 15 BOTH ENDS |
| Nominal Outside Diameter | 2.300 INCHES IN |
| Pressure Angle | 20.0000 DEGREES |
| Material | STEEL OVERALL |
| Spline Pitch Diameter | 0.9380 INCHES NOMINAL BOTH ENDS IN |
| Face Nominal Width | 0.725 INCHES IN |
| 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 |
|---|---|
| 81106 PRIMARY | DP Mfg Inc (USA) |
| MA129-21052 | Am General Llc (USA) |
NSN 3020-01-101-7454 is a Gear,spur, manufactured by DP Mfg Inc, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-101-7454 has 2 manufacturer part numbers on file: 81106 (DP Mfg Inc), MA129-21052 (Am General Llc).
2 possible matches (shared part number, not a government interchangeability claim): 3020-01-180-7398, 5998-01-455-2021. Verify interchangeability with system specifications before substitution.
Key specifications for 81106: Bore Nominal Diameter: 1.000 INCHES BOTH ENDS IN; Hub Nominal Diameter: 1.750 INCHES BOTH ENDS IN; Teeth Quantity: 20; Body Style: PLAIN, SOLID. 17 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.