The Diffuser Assembly,air, cataloged under National Stock Number 2835-00-918-3049, is classified within Federal Supply Class 2835 (Gas Turbines and Jet Engines; Non-aircraft Prime Mover, Aircraft Non-prime Mover, and Components) of the Engines, Turbines, and Components group. The manufacturer of record is Rtx Corporation Div Pratt & Whitney. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2835-00-918-3049 |
| Primary Part Number | 37731-3 |
| Item Name | Diffuser Assembly,air |
| FSC / FSG | 2835 / 28 — Gas Turbines and Jet Engines; Non-aircraft Prime Mover, Aircraft Non-prime Mover, and Components |
| Manufacturer | Rtx Corporation Div Pratt & Whitney |
| Status | ACTIVE |
| General Characteristics Item Description | ALUMINUM ALLOY,QQ-A-591 CONDITION 380,ANODIZED FINISH,AMS2468,10.992 IN. MIN,11.000 IN. MAX OD,5.825 IN. MIN,5.835 IN. MAX ID,2.113IN. MIN,2.159 IN. MAX O/A LG IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 37731-3 PRIMARY | Rtx Corporation Div Pratt & Whitney (USA) |
| Reference | Meaning |
|---|---|
| 37731-3 | 5/9 Secondary reference Solar Turbines Incorporated Dba Solar Turbines Incorporated |
| 37731-3 | 5/9 Secondary reference U.S. Government activity |
NSN 2835-00-918-3049 is a Diffuser Assembly,air, manufactured by Rtx Corporation Div Pratt & Whitney, classified under FSC 2835, Gas Turbines and Jet Engines; Non-aircraft Prime Mover, Aircraft Non-prime Mover, and Components. Status: active.
NSN 2835-00-918-3049 has 1 manufacturer part number on file: 37731-3 (Rtx Corporation Div Pratt & Whitney).
Key specifications for 37731-3: General Characteristics Item Description: ALUMINUM ALLOY,QQ-A-591 CONDITION 380,ANODIZED FINISH,AMS2468,10.992 IN. MIN,11.000 IN. MAX OD,5.825 IN. MIN,5.835 IN. MAX ID,2.113IN. MIN,2.159 IN. MAX O/A LG 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.
NSN 2835-00-918-3049 has DEMIL Code Q. 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.