The Gear,spur, cataloged under National Stock Number 3020-01-441-1283, 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 19 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-441-1283 |
| Primary Part Number | 177267 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| Keyway Nominal Width | 0.1875 INCHES BOTH ENDS IN |
| Bore Nominal Diameter | 4.6256 INCHES BOTH ENDS IN |
| Hub Nominal Diameter | 5.250 INCHES BOTH ENDS IN |
| Teeth Quantity | 240 |
| Surface Treatment Document and Classification | QQ-P-35, TYPE 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Body Style | PLAIN, SOLID |
| Bore Style | W/ KEYWAY BOTH ENDS |
| Nominal Distance Between Body Face and Protruding Hub End | 0.312 INCHES SECOND END IN |
| Nominal Distance Between Body Face and Protruding Hub End | 1.563 INCHES FIRST END IN |
| Style Designator | PROTRUDING HUBS |
| Material Document and Classification | ASTM A582 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Pitch Diameter | 7.5000 INCHES NOMINAL IN |
| Hub Style Designator | PLAIN BOTH ENDS |
| Nominal Outside Diameter | 7.562 INCHES IN |
| Nominal Distance From Bore Center to Keyway Bottom | 2.422 INCHES BOTH ENDS IN |
| Surface Treatment | PASSIVATE OVERALL |
| Pressure Angle | 20.0000 DEGREES |
| Material | STEEL COMP 303 OVERALL |
| Face Nominal Width | 0.250 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 |
|---|---|
| 177267 PRIMARY | Northrop Grumman Systems Corporation (USA) |
NSN 3020-01-441-1283 is a Gear,spur, manufactured by Northrop Grumman Systems Corporation, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-441-1283 has 1 manufacturer part number on file: 177267 (Northrop Grumman Systems Corporation).
Key specifications for 177267: Keyway Nominal Width: 0.1875 INCHES BOTH ENDS IN; Bore Nominal Diameter: 4.6256 INCHES BOTH ENDS IN; Hub Nominal Diameter: 5.250 INCHES BOTH ENDS IN; Teeth Quantity: 240. 19 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.