The Gear,spur, cataloged under National Stock Number 3020-00-288-5852, 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 Pax Mfg Corp Hammarlund Mfg Co Div. Government technical data includes 25 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-288-5852 |
| Primary Part Number | K31097G1 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Pax Mfg Corp Hammarlund Mfg Co Div |
| Status | ACTIVE |
| Bore Nominal Diameter | 0.188 INCHES BOTH ENDS IN |
| Teeth Quantity | 93 |
| Body Style | PLAIN, SOLID |
| Bore Style | PLAIN BOTH ENDS |
| Mounting Hole Type and Quantity | 3 THREADED TRANSVERSELY THROUGH HUB FIRST END |
| Nominal Distance Between Body Face and Protruding Hub End | 0.462 INCHES FIRST END IN |
| First Step Nominal Length | 0.437 INCHES FIRST END IN |
| First Step Nominal Length | 0.021 INCHES SECOND END IN |
| Nominal Overall Length | 0.712 INCHES IN |
| Style Designator | PROTRUDING HUBS |
| Pitch Diameter | 1.9370 INCHES NOMINAL IN |
| Tooth Form | STANDARD |
| First Step Nominal Diameter | 0.498 INCHES SECOND END IN |
| Hub Style Designator | 1 STEP BOTH ENDS |
| Mounting Hole Nominal Thread Size | 0.112 INCHES TRANSVERSELY THROUGH HUB FIRST END IN |
| End Nominal Length | 0.025 INCHES FIRST END IN |
| End Nominal Length | 0.156 INCHES SECOND END IN |
| Nominal Outside Diameter | 1.979 INCHES IN |
| Mounting Hole Thread Quantity Per Inch | 40 TRANSVERSELY THROUGH HUB FIRST END |
| End Nominal Diameter | 0.375 INCHES SECOND END IN |
| Pressure Angle | 20.0000 DEGREES |
| Material | COPPER ALLOY OVERALL |
| Mounting Hole Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) TRANSVERSELY THROUGH HUB FIRST END |
| Attachment Method | MOUNTING HOLE |
| Face Nominal Width | 0.062 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 |
|---|---|
| K31097G1 PRIMARY | Pax Mfg Corp Hammarlund Mfg Co Div (USA) |
NSN 3020-00-288-5852 is a Gear,spur, manufactured by Pax Mfg Corp Hammarlund Mfg Co Div, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-288-5852 has 1 manufacturer part number on file: K31097G1 (Pax Mfg Corp Hammarlund Mfg Co Div).
Key specifications for K31097G1: Bore Nominal Diameter: 0.188 INCHES BOTH ENDS IN; Teeth Quantity: 93; Body Style: PLAIN, SOLID; Bore Style: PLAIN BOTH ENDS. 25 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.