The Housing,antifriction Bearing,air, cataloged under National Stock Number 2840-01-009-4845, 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 Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney. Government technical data includes 5 specifications, cited from the U.S. Government catalog. The record lists 4 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2840-01-009-4845 |
| Primary Part Number | 742368 |
| Item Name | Housing,antifriction Bearing,air |
| FSC / FSG | 2840 / 28 — Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components |
| Manufacturer | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| Status | ACTIVE |
| Hardness Rating | 30.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM HOUSING |
| Material Document and Classification | AMS5613 ASSN STD SINGLE MATERIAL RESPONSE HOUSING |
| Engine Section Location | TURBINE |
| Material Thickness | 2.120 INCHES NOMINAL IN |
| Material | STEEL HOUSING |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | F |
| Part Number | Manufacturer |
|---|---|
| 742368 | Form Fit & Function Llc Div F3 (USA) |
| 742368 | Rtx Corporation Div Pratt & Whitney (USA) |
| 742368 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| 742368 | Paramount Machine Company, Inc. Dba Paramount Machine Co Inc (USA) |
| Reference | Meaning |
|---|---|
| 742368 | 5/9 Secondary reference Turbo Power & Marine System Inc Sub of United Technologies Corp |
| 742368 | 5/9 Secondary reference Whitcraft South Windsor Llc Dba Pursuit Aerospace |
NSN 2840-01-009-4845 is a Housing,antifriction Bearing,air, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 2840, Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components. Status: active.
NSN 2840-01-009-4845 has 4 manufacturer part numbers on file: 742368 (Form Fit & Function Llc Div F3), 742368 (Rtx Corporation Div Pratt & Whitney), 742368 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 742368 (Paramount Machine Company, Inc. Dba Paramount Machine Co Inc).
Key specifications for 742368: Hardness Rating: 30.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM HOUSING; Material Document and Classification: AMS5613 ASSN STD SINGLE MATERIAL RESPONSE HOUSING; Overall Length: 4.090 INCHES NOMINAL IN; Overall Width: 4.090 INCHES NOMINAL IN. 5 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 2840-01-009-4845 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.