The Gear,spur, cataloged under National Stock Number 3020-00-294-5455, 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 Northrop Grumman Systems Corporation. Government technical data includes 22 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 3020-00-294-5455 |
| Primary Part Number | 1284546-101 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| Bore Nominal Diameter | 5.750 INCHES BOTH ENDS IN |
| Hub Nominal Diameter | 7.400 INCHES FIRST END IN |
| Teeth Quantity | 48 |
| Surface Treatment Document and Classification | AGE 36659,LC+77-2033,CLASS 2,TYPE 2 MFR REF 2ND TREATMENT RESPONSE BODY |
| Surface Treatment Document and Classification | CAGE 36659 LC+77-2033 CLASS 2,TYPE 2 MFR REF SINGLE TREATMENT RESPONSE HUB |
| Body Style | PLAIN, SOLID |
| Bore Style | INVOLUTE SPLINE BOTH ENDS |
| Nominal Distance Between Body Face and Protruding Hub End | 0.380 INCHES FIRST END IN |
| Precision Classification | QUALITY NUMBER 10 OR QUALITY NUMBER 11 |
| Style Designator | PROTRUDING HUB |
| Material Document and Classification | CAGE 36659 C-05-1190 MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| Pitch Diameter | 8.0000 INCHES NOMINAL IN |
| Tooth Form | STUB |
| Hub Style Designator | PLAIN FIRST END |
| Spline Quantity | 47 BOTH ENDS |
| Nominal Outside Diameter | 8.333 INCHES IN |
| Surface Treatment | CADMIUM BODY |
| Surface Treatment | CADMIUM HUB |
| Pressure Angle | 20.0000 DEGREES |
| Material | STEEL UNS K44220 OVERALL |
| Spline Pitch Diameter | 5.8750 INCHES NOMINAL BOTH ENDS IN |
| Face Nominal Width | 1.400 INCHES IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 1284546-101 PRIMARY | Northrop Grumman Systems Corporation (USA) |
| Reference | Meaning |
|---|---|
| 1284546-101 | 5/2 Secondary reference U.S. Government activity |
| 1284546-101 | 5/9 Secondary reference U.S. Government activity |
| 1284546-101 | 3/9 Design control — primary reference Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Northrop Grumman Aeronautics Systems |
NSN 3020-00-294-5455 is a Gear,spur, manufactured by Northrop Grumman Systems Corporation, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-294-5455 has 1 manufacturer part number on file: 1284546-101 (Northrop Grumman Systems Corporation).
Key specifications for 1284546-101: Bore Nominal Diameter: 5.750 INCHES BOTH ENDS IN; Hub Nominal Diameter: 7.400 INCHES FIRST END IN; Teeth Quantity: 48; Surface Treatment Document and Classification: AGE 36659,LC+77-2033,CLASS 2,TYPE 2 MFR REF 2ND TREATMENT RESPONSE BODY. 22 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 3020-00-294-5455 has DEMIL Code B. 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.