The Shaft,shouldered, cataloged under National Stock Number 3040-00-772-5972, 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 11 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-00-772-5972 |
| Primary Part Number | 175993P1 |
| 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 Hole Diameter | 0.3230 INCHES MINIMUM AND 0.3330 INCHES MAXIMUM IN |
| Step Quantity | 4 |
| First End Diameter | 1.2605 INCHES MINIMUM AND 1.2610 INCHES MAXIMUM IN |
| Second End Diameter | 1.2480 INCHES MINIMUM AND 1.2495 INCHES MAXIMUM IN |
| Largest Step Diameter | 1.2605 INCHES MINIMUM AND 1.2610 INCHES MAXIMUM IN |
| First End Style | PLAIN |
| Material Document and Classification | AMS 6328 ASSN STD SINGLE MATERIAL RESPONSE |
| Second End Distance From Hole Center to End | 0.3650 INCHES MINIMUM AND 0.3850 INCHES MAXIMUM IN |
| End Similarity | NOT IDENTICAL |
| Second End Style | UNTHREADED CROSS DRILLED |
| Material | STEEL |
| 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 |
|---|---|
| 175993P001 | Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp. (CAN) |
| 175993P1 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| 175993P001 | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| 175993P1 | Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp. (CAN) |
| Reference | Meaning |
|---|---|
| AS175993P1 | 5/9 Secondary reference Aircraft Supplies |
NSN 3040-00-772-5972 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 3040-00-772-5972 has 4 manufacturer part numbers on file: 175993P001 (Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.), 175993P1 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 175993P001 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 175993P1 (Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.).
Key specifications for 175993P1: Second End Hole Diameter: 0.3230 INCHES MINIMUM AND 0.3330 INCHES MAXIMUM IN; Step Quantity: 4; First End Diameter: 1.2605 INCHES MINIMUM AND 1.2610 INCHES MAXIMUM IN; Second End Diameter: 1.2480 INCHES MINIMUM AND 1.2495 INCHES MAXIMUM IN. 11 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.