The Gear,spur, cataloged under National Stock Number 3020-00-150-7097, 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 Instrument Systems Corp. Government technical data includes 23 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. 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 | 3020-00-150-7097 |
| Primary Part Number | 6019-127 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Instrument Systems Corp |
| Status | ACTIVE |
| Bore Nominal Diameter | 1.718 INCHES BOTH ENDS IN |
| Hub Nominal Diameter | 1.980 INCHES FIRST END IN |
| Teeth Quantity | 168 |
| Body Style | PLAIN, SOLID |
| Counterbore Nominal Diameter | 1.855 INCHES SECOND COUNTERBORE FIRST END IN |
| Counterbore Nominal Diameter | 1.892 INCHES FIRST COUNTERBORE FIRST END IN |
| Bore Style | W/STEPPED COUNTERBORE BOTH ENDS |
| Mounting Hole Type and Quantity | 3 PLAIN TRANSVERSELY THROUGH HUB FIRST END |
| Nominal Distance Between Body Face and Protruding Hub End | 0.202 INCHES FIRST END IN |
| Mounting Hole Nominal Diameter | 0.078 INCHES TRANSVERSELY THROUGH HUB FIRST END IN |
| Style Designator | PROTRUDING HUB |
| Material Document and Classification | QQ-S-764,TYPE 303,COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Pitch Diameter | 2.0990 INCHES MINIMUM AND 2.1000 INCHES MAXIMUM IN |
| Tooth Form | STUB |
| Hub Style Designator | PLAIN FIRST END |
| Nominal Outside Diameter | 2.124 INCHES IN |
| Surface Treatment | PASSIVATE OVERALL |
| Pressure Angle | 20.0000 DEGREES |
| Material | STEEL COMP 303 OVERALL |
| Counterbore Nominal Depth | 0.030 INCHES SECOND COUNTERBORE FIRST END IN |
| Counterbore Nominal Depth | 0.045 INCHES FIRST COUNTERBORE FIRST END IN |
| Attachment Method | MOUNTING HOLE |
| Face Nominal Width | 0.108 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 |
NSN 3020-00-150-7097 is a Gear,spur, manufactured by Instrument Systems Corp, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-150-7097 has 2 manufacturer part numbers on file: 019-127 (Instrument Systems Corp), 6019-127 (Instrument Systems Corp).
1 possible match (shared part number, not a government interchangeability claim): 6750-01-426-9833. Verify interchangeability with system specifications before substitution.
Key specifications for 6019-127: Bore Nominal Diameter: 1.718 INCHES BOTH ENDS IN; Hub Nominal Diameter: 1.980 INCHES FIRST END IN; Teeth Quantity: 168; Body Style: PLAIN, SOLID. 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.