The Gear,spur, cataloged under National Stock Number 3020-00-239-3908, 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 Curtiss-Wright Electro-Mechanical Corporation Div Epd. Government technical data includes 15 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-239-3908 |
| Primary Part Number | 300B151DX2-162 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Curtiss-Wright Electro-Mechanical Corporation Div Epd |
| Status | ACTIVE |
| Bore Nominal Diameter | 0.751 INCHES BOTH ENDS IN |
| Teeth Quantity | 12 |
| Body Style | PLAIN, SOLID |
| Counterbore Nominal Diameter | 1.125 INCHES BOTH ENDS IN |
| Bore Style | PLAIN BOTH ENDS |
| Precision Classification | QUALITY NUMBER 12 |
| Style Designator | HUBLESS |
| Material Document and Classification | MIL-B-16540,GRADE A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Pitch Diameter | 2.0000 INCHES NOMINAL IN |
| Tooth Form | STANDARD |
| Nominal Outside Diameter | 2.333 INCHES IN |
| Pressure Angle | 20.0000 DEGREES |
| Material | COPPER ALLOY 903 OVERALL |
| Counterbore Nominal Depth | 0.031 INCHES BOTH ENDS IN |
| Face Nominal Width | 1.500 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 |
|---|---|
| 300B151DX2-162 PRIMARY | Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA) |
| Y300B151DX2 PRIMARY | Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA) |
| Reference | Meaning |
|---|---|
| Y300B151DX2 | 5/9 Secondary reference U.S. Government activity |
| 300B151DX2-162 | 5/9 Secondary reference U.S. Government activity |
| Y300B151DX2 | 5/9 Secondary reference Ingersoll Rand Co |
| 300B151DX2-162 | 5/9 Secondary reference Ingersoll Rand Co |
NSN 3020-00-239-3908 is a Gear,spur, manufactured by Curtiss-Wright Electro-Mechanical Corporation Div Epd, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-239-3908 has 2 manufacturer part numbers on file: 300B151DX2-162 (Curtiss-Wright Electro-Mechanical Corporation Div Epd), Y300B151DX2 (Curtiss-Wright Electro-Mechanical Corporation Div Epd).
Key specifications for 300B151DX2-162: Bore Nominal Diameter: 0.751 INCHES BOTH ENDS IN; Teeth Quantity: 12; Body Style: PLAIN, SOLID; Counterbore Nominal Diameter: 1.125 INCHES BOTH ENDS IN. 15 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.