The Gear,spur, cataloged under National Stock Number 3020-01-135-1540, 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 Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp. Government technical data includes 12 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-135-1540 |
| Primary Part Number | 65391-11672-102 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp |
| Status | ACTIVE |
| Bore Nominal Diameter | 1.375 INCHES BOTH ENDS1.375 INCHES BOTH ENDS IN |
| Teeth Quantity | 4444 |
| Body Style | WEBBED, SOLIDWEBBED, SOLID |
| Precision Classification | QUALITY NUMBER 13 OR QUALITY NUMBER 13 OR QUALITY NUMBER 14QUALITY NUMBER 14 |
| Nominal Overall Length | 9.399 INCHES9.399 INCHES IN |
| Criticality Code Justification | FEATFEAT |
| Style Designator | PROTRUDING HUBSPROTRUDING HUBS |
| Pitch Diameter | 6.2857 INCHES NOMINAL6.2857 INCHES NOMINAL IN |
| Tooth Form | STANDARDSTANDARD |
| Pressure Angle | 22.5000 DEGREES22.5000 DEGREES |
| Attachment Method | CLAMPCLAMP |
| Face Nominal Width | 3.007 INCHES3.007 INCHES IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | F |
| Part Number | Manufacturer |
|---|---|
| 65391-11672-102 PRIMARY | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp (USA) |
| 65391-11672-102 | Precision Gear Industries Llc (USA) |
NSN 3020-01-135-1540 is a Gear,spur, manufactured by Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-135-1540 has 2 manufacturer part numbers on file: 65391-11672-102 (Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp), 65391-11672-102 (Precision Gear Industries Llc).
Key specifications for 65391-11672-102: Bore Nominal Diameter: 1.375 INCHES BOTH ENDS1.375 INCHES BOTH ENDS IN; Teeth Quantity: 4444; Body Style: WEBBED, SOLIDWEBBED, SOLID; Precision Classification: QUALITY NUMBER 13 OR QUALITY NUMBER 13 OR QUALITY NUMBER 14QUALITY NUMBER 14. 12 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.
NSN 3020-01-135-1540 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.