The Fitting Assembly,vent, cataloged under National Stock Number 2840-00-016-0841, is classified within Federal Supply Class 2840 (Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components) of the Engines, Turbines, and Components group. The manufacturer of record is Rolls-Royce Corporation. Government technical data includes 3 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2840-00-016-0841 |
| Primary Part Number | 6846213 |
| Item Name | Fitting Assembly,vent |
| FSC / FSG | 2840 / 28 — Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components |
| Manufacturer | Rolls-Royce Corporation |
| Status | ACTIVE |
| Overall Diameter | 0.933 INCHES MINIMUM AND 0.938 INCHES MAXIMUM IN |
| Criticality Code Justification | ABHP AND ADAV |
| Material | STEEL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| 6846213 PRIMARY | Rolls-Royce Corporation (USA) |
| 6846213 | C and W Engineering and Mfg Co (USA) |
| Reference | Meaning |
|---|---|
| 6846213 | 5/9 Secondary reference Space Age Engineering, Inc |
| 6846213 | 5/9 Secondary reference General Motors Corp |
| 6846213 | 5/9 Secondary reference Allison Transmission Inc Dba Allison Transmission, Inc |
NSN 2840-00-016-0841 is a Fitting Assembly,vent, manufactured by Rolls-Royce Corporation, classified under FSC 2840, Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components. Status: active.
NSN 2840-00-016-0841 has 2 manufacturer part numbers on file: 6846213 (Rolls-Royce Corporation), 6846213 (C and W Engineering and Mfg Co).
Key specifications for 6846213: Overall Diameter: 0.933 INCHES MINIMUM AND 0.938 INCHES MAXIMUM IN; Criticality Code Justification: ABHP AND ADAV; Overall Length: 1.430 INCHES MINIMUM AND 1.470 INCHES MAXIMUM IN; Special Features: MATL AMS 5510. 3 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.