The Gear,spur, cataloged under National Stock Number 3020-00-702-4288, 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 Lockheed Martin Librascope Corporation. Government technical data includes 16 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-702-4288 |
| Primary Part Number | L310 002 645 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Lockheed Martin Librascope Corporation |
| Status | ACTIVE |
| Bore Nominal Diameter | 0.250 INCHES BOTH ENDS IN |
| Hub Nominal Diameter | 0.437 INCHES FIRST END IN |
| Teeth Quantity | 25 |
| Body Style | PLAIN, SOLID |
| Bore Style | PLAIN BOTH ENDS |
| Nominal Distance Between Body Face and Protruding Hub End | 0.188 INCHES FIRST END IN |
| Precision Classification | QUALITY NUMBER 10 OR QUALITY NUMBER 11 |
| Style Designator | PROTRUDING HUB |
| Material Document and Classification | MIL-P-20693,TYPE 1 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Pitch Diameter | 0.5208 INCHES NOMINAL IN |
| Tooth Form | STANDARD |
| Hub Style Designator | PINNED FIRST END |
| Nominal Outside Diameter | 0.560 INCHES IN |
| Pressure Angle | 20.0000 DEGREES |
| Material | PLASTIC POLYHEXAMETHYLENE AMIDE OVERALL |
| Face Nominal Width | 0.188 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 |
|---|---|
| 1313436PC25 10001 | Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings) (USA) |
| 1313436PC25 | Lockheed Martin Librascope Corporation (USA) |
| L310 002 645 PRIMARY | Lockheed Martin Librascope Corporation (USA) |
| L4-310-01958 | Lockheed Martin Librascope Corporation (USA) |
| Reference | Meaning |
|---|---|
| 1313436PC25 | 3/9 Design control — primary reference Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
NSN 3020-00-702-4288 is a Gear,spur, manufactured by Lockheed Martin Librascope Corporation, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-702-4288 has 4 manufacturer part numbers on file: 1313436PC25 10001 (Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings)), 1313436PC25 (Lockheed Martin Librascope Corporation), L310 002 645 (Lockheed Martin Librascope Corporation), L4-310-01958 (Lockheed Martin Librascope Corporation).
Key specifications for L310 002 645: Bore Nominal Diameter: 0.250 INCHES BOTH ENDS IN; Hub Nominal Diameter: 0.437 INCHES FIRST END IN; Teeth Quantity: 25; Body Style: PLAIN, SOLID. 16 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.