The Cover,shipping,propeller Shaft, cataloged under National Stock Number 2840-00-012-3276, 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 Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2840-00-012-3276 |
| Primary Part Number | PK1841 |
| Item Name | Cover,shipping,propeller Shaft |
| FSC / FSG | 2840 / 28 — Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components |
| Manufacturer | Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp. |
| Status | ACTIVE |
| General Characteristics Item Description | PLASTIC,YELLOW FED STD 595 NO. 13655 OR C. G. S. B. 1-GP-12 NO. 5-1,5 HOLES 0.575 IN. MIN,0.625 IN. MAX DIA ON 4.250 IN. BOLT CIRCLE DIA,5000 PSI MIN COMPRESSION STRENGTH,FUEL AND OIL RES,150 DEG F HEAT RES 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 |
|---|---|
| PK1841 PRIMARY | Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp. (CAN) |
| PK4471 | Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp. (CAN) |
| Reference | Meaning |
|---|---|
| PK257 | 5/9 Secondary reference Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp. |
NSN 2840-00-012-3276 is a Cover,shipping,propeller Shaft, manufactured by Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp., classified under FSC 2840, Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components. Status: active.
NSN 2840-00-012-3276 has 2 manufacturer part numbers on file: PK1841 (Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.), PK4471 (Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.).
Key specifications for PK1841: General Characteristics Item Description: PLASTIC,YELLOW FED STD 595 NO. 13655 OR C. G. S. B. 1-GP-12 NO. 5-1,5 HOLES 0.575 IN. MIN,0.625 IN. MAX DIA ON 4.250 IN. BOLT CIRCLE DIA,5000 PSI MIN COMPRESSION STRENGTH,FUEL AND OIL RES,150 DEG F HEAT RES 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.