The Gear Ring,air Door, cataloged under National Stock Number 3020-01-031-0533, 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 Babcock & Wilcox Co. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-031-0533 |
| Primary Part Number | 1184F1PC108 |
| Item Name | Gear Ring,air Door |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Babcock & Wilcox Co |
| Status | ACTIVE |
| General Characteristics Item Description | STEEL,FORGED; 2.891 IN. ID; 4.925 IN. OD 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 |
|---|---|
| 1184F1PC108 PRIMARY | Babcock & Wilcox Co (USA) |
| Reference | Meaning |
|---|---|
| MX242266-108 | C/1 Advisory reference — outside the item-of-supply concept Babcock & Wilcox Co |
| MX242266-108 | 5/9 Secondary reference The Babcock & Wilcox Company Dba B & W Service Co Div B&w Service Company |
| 1186F1PC108 | C/1 Advisory reference — outside the item-of-supply concept Babcock & Wilcox Co |
NSN 3020-01-031-0533 is a Gear Ring,air Door, manufactured by Babcock & Wilcox Co, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-031-0533 has 1 manufacturer part number on file: 1184F1PC108 (Babcock & Wilcox Co).
Key specifications for 1184F1PC108: General Characteristics Item Description: STEEL,FORGED; 2.891 IN. ID; 4.925 IN. OD IN. 1 specification is 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.