The Gear,spur, cataloged under National Stock Number 3020-00-313-5449, 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 Corporation Div Rms - Mitchel Field. Government technical data includes 23 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. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-313-5449 |
| Primary Part Number | 736592 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Lockheed Martin Corporation Div Rms - Mitchel Field |
| Status | ACTIVE |
| Bore Nominal Diameter | 0.900 INCHES BOTH ENDS IN |
| Hub Nominal Diameter | 0.4375 INCHES FIRST END IN |
| Hub Nominal Diameter | 0.249 INCHES SECOND END IN |
| Teeth Quantity | 60 |
| Surface Treatment Document and Classification | MIL-C-5541 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Body Style | PLAIN, SOLID |
| Bore Style | PLAIN BOTH ENDS |
| Nominal Distance Between Body Face and Protruding Hub End | 0.2200 INCHES SECOND END IN |
| Nominal Distance Between Body Face and Protruding Hub End | 0.3430 INCHES FIRST END IN |
| Style Designator | PROTRUDING HUBS |
| Material Document and Classification | QQ-A-225/6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Pitch Diameter | 1.2500 INCHES NOMINAL IN |
| Tooth Form | STANDARD |
| Hub Style Designator | 1 GROOVE SECOND END |
| Hub Style Designator | PLAIN FIRST END |
| Nominal Outside Diameter | 1.2895 INCHES IN |
| Surface Treatment | OXIDE FILM OVERALL |
| Nominal Distance From End to First Groove | 0.055 INCHES SECOND END IN |
| Pressure Angle | 14.5000 DEGREES |
| Material | ALUMINUM ALLOY 2024 OVERALL |
| First Groove Nominal Diameter | 0.218 INCHES SECOND END IN |
| First Groove Nominal Width | 0.040 INCHES SECOND END IN |
| Face Nominal Width | 0.093 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 |
|---|---|
| 736592 PRIMARY | Lockheed Martin Corporation Div Rms - Mitchel Field (USA) |
NSN 3020-00-313-5449 is a Gear,spur, manufactured by Lockheed Martin Corporation Div Rms - Mitchel Field, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-313-5449 has 1 manufacturer part number on file: 736592 (Lockheed Martin Corporation Div Rms - Mitchel Field).
1 possible match (shared part number, not a government interchangeability claim): 6515-01-724-3987. Verify interchangeability with system specifications before substitution.
Key specifications for 736592: Bore Nominal Diameter: 0.900 INCHES BOTH ENDS IN; Hub Nominal Diameter: 0.4375 INCHES FIRST END IN; Hub Nominal Diameter: 0.249 INCHES SECOND END IN; Teeth Quantity: 60. 23 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.