The Gear,spur, cataloged under National Stock Number 3020-00-413-1778, 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 Tactair Fluid Controls Inc. Government technical data includes 18 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-413-1778 |
| Primary Part Number | HP1152107-1 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Tactair Fluid Controls Inc |
| Status | ACTIVE |
| Bore Nominal Diameter | 2.500 INCHES BOTH ENDS IN |
| Hub Nominal Diameter | 3.016 INCHES FIRST END IN |
| Teeth Quantity | 34 |
| Body Style | WEBBED, WITH LIGHTENING HOLES |
| Bore Style | PLAIN BOTH ENDS |
| Precision Classification | QUALITY NUMBER 8 |
| Style Designator | FLUSH HUB |
| Material Document and Classification | 66 FED STD SINGLE MATERIAL RESPONSE OVERALL |
| Pitch Diameter | 5.6667 INCHES NOMINAL IN |
| Tooth Form | STUB |
| Features Provided | CASEHARDENED |
| Hub Style Designator | PLAIN FIRST END |
| Nominal Outside Diameter | 5.933 INCHES IN |
| Test Data Document | 81349-MIL-I-6868C-1 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.). |
| Pressure Angle | 20.0000 DEGREES |
| Material | STEEL COMP 4340 OVERALL |
| Body Recess Nominal Depth | 0.650 INCHES SECOND END IN |
| Face Nominal Width | 1.800 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 |
|---|---|
| HP1152107-1 PRIMARY | Tactair Fluid Controls Inc (USA) |
| Reference | Meaning |
|---|---|
| HP1152107-1 | 5/9 Secondary reference U.S. Government activity |
NSN 3020-00-413-1778 is a Gear,spur, manufactured by Tactair Fluid Controls Inc, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-413-1778 has 1 manufacturer part number on file: HP1152107-1 (Tactair Fluid Controls Inc).
Key specifications for HP1152107-1: Bore Nominal Diameter: 2.500 INCHES BOTH ENDS IN; Hub Nominal Diameter: 3.016 INCHES FIRST END IN; Teeth Quantity: 34; Body Style: WEBBED, WITH LIGHTENING HOLES. 18 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.