The Gear Set,bevel,matched, cataloged under National Stock Number 3020-01-137-8240, 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 Postal Service Specifications Promulgated by United States Postal Service Washington DC. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Gear Set,bevel,matched |
| FSC / FSG | 3020 — Gears, Pulleys, Sprockets, and Transmission Chain (FSG 30) |
| Manufacturers | Postal Service Specifications Promulgated by United States Postal Service Washington DC (CAGE 24059) |
| Parameter | Value |
|---|---|
| NSN | 3020-01-137-8240 |
| Primary Part Number | 134B211AAPC1 AND PC2 |
| Item Name | Gear Set,bevel,matched |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Postal Service Specifications Promulgated by United States Postal Service Washington DC |
| Status | ACTIVE |
| 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 |
|---|---|
| 134B211AAPC1 AND PC2 | Postal Service Specifications Promulgated by United States Postal Service Washington DC |
| Reference | Meaning |
|---|---|
| 134B211AAP1X134B211AAP2 | 3/9 Design control — primary reference General Electric Co Naval and Drive Turbine Systems Dept |
| 134B211AA-P1/P2 | 5/9 Secondary reference Lowe Charles M Co the |
| 134B211AA | 5/9 Secondary reference General Electric Co Naval and Drive Turbine Systems Dept |
| 509E230EAP12X125D225ABP5 | 5/9 Secondary reference General Electric Co Naval and Drive Turbine Systems Dept |
| 3,12359259B | 5/9 Secondary reference U.S. Government activity |
| 509E817AA PIECE | C/1 Advisory reference — outside the item-of-supply concept General Electric Co Naval and Drive Turbine Systems Dept |
NSN 3020-01-137-8240 is a Gear Set,bevel,matched, manufactured by Postal Service Specifications Promulgated by United States Postal Service Washington DC, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-137-8240 has 1 manufacturer part number on file: 134B211AAPC1 AND PC2 (Postal Service Specifications Promulgated by United States Postal Service Washington DC).
1 possible match (shared part number, not a government interchangeability claim): 3020-01-207-9942. Verify interchangeability with system specifications before substitution.
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.