The Shaft,shouldered, cataloged under National Stock Number 3040-01-105-5379, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney. Government technical data includes 9 specifications, 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-105-5379 |
| Primary Part Number | PWA53881-10 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| Status | ACTIVE |
| Second End External Thread Length | 1.620 INCHES NOMINAL IN |
| Step Quantity | 2 |
| Largest Step Diameter | 1.250 INCHES NOMINAL IN |
| First End External Thread Length | 1.370 INCHES NOMINAL IN |
| First End Style | EXTERNAL THREADED |
| End Similarity | NOT IDENTICAL |
| Second End Style | EXTERNALLY AND INTERNALLY THREADED |
| Material | STEEL COMP 4140 |
| Second End Internal Thread Length | 1.120 INCHES NOMINAL 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 |
|---|---|
| PWA53881-10 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
NSN 3040-01-105-5379 is a Shaft,shouldered, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-105-5379 has 1 manufacturer part number on file: PWA53881-10 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
Key specifications for PWA53881-10: Second End External Thread Length: 1.620 INCHES NOMINAL IN; Step Quantity: 2; Largest Step Diameter: 1.250 INCHES NOMINAL IN; First End External Thread Length: 1.370 INCHES NOMINAL IN. 9 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.