The Chamber,combustion,aircraft Gas, cataloged under National Stock Number 2840-01-039-3369, 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. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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.
| Parameter | Value |
|---|---|
| NSN | 2840-01-039-3369 |
| Primary Part Number | 23056130 |
| Item Name | Chamber,combustion,aircraft Gas |
| FSC / FSG | 2840 / 28 — Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components |
| Manufacturer | Rolls-Royce Corporation |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | F |
| Part Number | Manufacturer |
|---|---|
| 23056130 | Allison Transmission Inc Dba Allison Transmission, Inc (USA) |
| 23056130 PRIMARY | Rolls-Royce Corporation (USA) |
| Reference | Meaning |
|---|---|
| 6871486 | 5/9 Secondary reference Allison Transmission Inc Dba Allison Transmission, Inc |
| 6871486 | 5/9 Secondary reference Rolls-Royce Corporation |
NSN 2840-01-039-3369 is a Chamber,combustion,aircraft Gas, manufactured by Rolls-Royce Corporation, classified under FSC 2840, Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components. Status: active.
NSN 2840-01-039-3369 has 2 manufacturer part numbers on file: 23056130 (Allison Transmission Inc Dba Allison Transmission, Inc), 23056130 (Rolls-Royce Corporation).
1 possible match (shared part number, not a government interchangeability claim): 9905-01-082-4673. Verify interchangeability with system specifications before substitution.
Key specifications for 23056130: Special Features: CRES, AMS5521, 9.560 IN. NOM. O/A LG.; 6.524 IN. MIN.,6.536 IN. MAX. O/A OD; 1ST END FLANGE, 12 SLOTS EQUALLY SPACED ON OUTER PERIPHERY, 0.500 IN. NOM. DISTANCE FROM 1ST END TO SLOTS; 22 SLOTS EQUALLY SPACED ON OUTER PERIPHERY, 3.310 IN. NOM. DISTANCE FROM 2ND END TO SLOTS; 22 SLOTS EQUALLY SPACED ON OUTER PERIPHERY, 1.411 IN. NOM. DISTANCE FROM 2ND END TO SLOTS; 14 HOLES 0.375 IN. NOM. DIA. EQUALLY SPACED ON OUTER PERIPHERY; 2.090 IN. NOM. DISTANCE FROM 2ND END TO HOLE CENTERS, 6 HOLES 0.500 IN. NOM. DIA. AND 6 HOLES 0.562 IN. NOM. DIA. THROUGH BODY ALTERNATELY SPACED IN GROUPS OF 3 ON OUTER PERIPHERY, 2.720 IN. NOM. DISTANCE FROM 2ND END TO HOLE CENTERS IN. 0 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.
NSN 2840-01-039-3369 has DEMIL Code D. Demilitarization may be required before disposal or transfer to non-military entities.
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.