The Gear,spur, cataloged under National Stock Number 3020-00-441-9600, 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 Bae Systems Information and Electronic Systems Integration Inc.. 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 | 3020-00-441-9600 |
| Primary Part Number | 01373531 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Bae Systems Information and Electronic Systems Integration Inc. |
| Status | ACTIVE |
| Bore Nominal Diameter | 0.538 INCHES BOTH ENDS IN |
| Hub Nominal Diameter | 0.903 INCHES FIRST END IN |
| Teeth Quantity | 21 |
| Body Style | PLAIN, SOLID |
| Bore Style | INVOLUTE SPLINE BOTH ENDS |
| Nominal Distance Between Body Face and Protruding Hub End | 0.151 INCHES FIRST END IN |
| Precision Classification | QUALITY NUMBER 11 |
| Hardness Rating | 35.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL |
| Style Designator | PROTRUDING HUB |
| Material Document and Classification | AISI 4340 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Pitch Diameter | 1.7500 INCHES NOMINAL IN |
| Tooth Form | STANDARD |
| Hub Style Designator | PLAIN FIRST END |
| Spline Quantity | 11 BOTH ENDS |
| Nominal Outside Diameter | 1.914 INCHES IN |
| Pressure Angle | 20.0000 DEGREES |
| Material | STEEL COMP 4340 OVERALL |
| Spline Pitch Diameter | 0.4583 INCHES NOMINAL BOTH ENDS IN |
| Face Nominal Width | 0.875 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 |
|---|---|
| 01373531 PRIMARY | Bae Systems Information and Electronic Systems Integration Inc. (USA) |
NSN 3020-00-441-9600 is a Gear,spur, manufactured by Bae Systems Information and Electronic Systems Integration Inc., classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-441-9600 has 1 manufacturer part number on file: 01373531 (Bae Systems Information and Electronic Systems Integration Inc.).
Key specifications for 01373531: Bore Nominal Diameter: 0.538 INCHES BOTH ENDS IN; Hub Nominal Diameter: 0.903 INCHES FIRST END IN; Teeth Quantity: 21; Body Style: PLAIN, SOLID. 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.