The Gear,spur, cataloged under National Stock Number 3020-01-180-0255, 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 L3 Technologies, Inc. Div Ocean Systems. Government technical data includes 9 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-180-0255 |
| Primary Part Number | 3193211 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | L3 Technologies, Inc. Div Ocean Systems |
| Status | ACTIVE |
| Bore Nominal Diameter | 6.987 INCHES BOTH ENDS IN |
| Teeth Quantity | 99 |
| Body Style | PLAIN, WITH LIGHTENING HOLES |
| Bore Style | PLAIN BOTH ENDS |
| Pitch Diameter | 7.0714 INCHES NOMINAL IN |
| Tooth Form | STANDARD |
| Nominal Outside Diameter | 7.603 INCHES IN |
| Pressure Angle | 20.0000 DEGREES |
| Material | STEEL OVERALL |
| 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 |
|---|---|
| 3193211 PRIMARY | L3 Technologies, Inc. Div Ocean Systems (USA) |
| 3193211 | Aero International, Llc Dba Ams Engineered Solutions (USA) |
| Reference | Meaning |
|---|---|
| 3193211 | 5/9 Secondary reference Allied-Signal Inc Dba Allied-Signal Aerospace Co Electrodynamics Div |
NSN 3020-01-180-0255 is a Gear,spur, manufactured by L3 Technologies, Inc. Div Ocean Systems, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-180-0255 has 2 manufacturer part numbers on file: 3193211 (L3 Technologies, Inc. Div Ocean Systems), 3193211 (Aero International, Llc Dba Ams Engineered Solutions).
Key specifications for 3193211: Bore Nominal Diameter: 6.987 INCHES BOTH ENDS IN; Teeth Quantity: 99; Body Style: PLAIN, WITH LIGHTENING HOLES; Bore Style: PLAIN BOTH ENDS. 9 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.