The Gear,spur, cataloged under National Stock Number 3020-00-157-2155, 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 Precision Gear Industries Llc. Government technical data includes 30 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-157-2155 |
| Primary Part Number | 5022T96P01 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Precision Gear Industries Llc |
| Status | ACTIVE |
| Teeth Quantity | 48 |
| Second Step Nominal Diameter | 1.250 INCHES FIRST END IN |
| Second Step Nominal Diameter | 0.945 INCHES SECOND END IN |
| Body Style | WEBBED, WITH LIGHTENING HOLES |
| Third Step Nominal Diameter | 1.345 INCHES FIRST END IN |
| Bore Style | PLAIN BOTH ENDS |
| Nominal Distance Between Body Face and Protruding Hub End | 1.660 INCHES SECOND END IN |
| Nominal Distance Between Body Face and Protruding Hub End | 2.589 INCHES FIRST END IN |
| First Step Nominal Length | 0.080 INCHES SECOND END IN |
| First Step Nominal Length | 0.650 INCHES FIRST END IN |
| Precision Classification | QUALITY NUMBER 9 |
| Hardness Rating | 40.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM TEETH |
| Second Step Nominal Length | 1.090 INCHES SECOND END IN |
| Second Step Nominal Length | 0.080 INCHES FIRST END IN |
| Style Designator | PROTRUDING HUBS |
| Pitch Diameter | 4.0000 INCHES NOMINAL IN |
| Tooth Form | STANDARD |
| First Step Nominal Diameter | 0.890 INCHES SECOND END IN |
| First Step Nominal Diameter | 1.182 INCHES FIRST END IN |
| Hub Style Designator | 3 STEPS FIRST END |
| Hub Style Designator | 2 STEPS SECOND END |
| End Nominal Length | 0.660 INCHES FIRST END IN |
| End Nominal Length | 0.490 INCHES SECOND END IN |
| Nominal Outside Diameter | 4.166 INCHES IN |
| Surface Treatment | OXIDE OVERALL |
| Test Data Document | 81343-AMS2640 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.). |
| End Nominal Diameter | 0.788 INCHES SECOND END IN |
| End Nominal Diameter | 1.174 INCHES FIRST END IN |
| Pressure Angle | 20.0000 DEGREES |
| Material | STEEL OVERALL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 5022T96P01 | Precision Gear Industries Llc (USA) |
| Reference | Meaning |
|---|---|
| 5022T96P01 | 5/9 Secondary reference U.S. Government activity |
| 5019T38P01 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3020-00-157-2155 is a Gear,spur, manufactured by Precision Gear Industries Llc, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-157-2155 has 1 manufacturer part number on file: 5022T96P01 (Precision Gear Industries Llc).
Key specifications for 5022T96P01: Teeth Quantity: 48; Second Step Nominal Diameter: 1.250 INCHES FIRST END IN; Second Step Nominal Diameter: 0.945 INCHES SECOND END IN; Body Style: WEBBED, WITH LIGHTENING HOLES. 30 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 3020-00-157-2155 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.