The Shaft,shouldered, cataloged under National Stock Number 3040-01-498-7890, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is United States Department of Us Army Peo Stri /simulation,training, Instrumentation/. Government technical data includes 16 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 | 3040-01-498-7890 |
| Primary Part Number | 137772 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | United States Department of Us Army Peo Stri /simulation,training, Instrumentation/ |
| Status | ACTIVE |
| Surface Finish | 32.0 MICROINCHES |
| First End Width Across Flats | 0.735 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN |
| Second End External Thread Length | 0.992 INCHES MINIMUM AND 0.994 INCHES MAXIMUM IN |
| Step Quantity | 5 |
| First End Diameter | 1.2100 INCHES NOMINAL IN |
| First End Step Length | 0.360 INCHES NOMINAL IN |
| Second End Diameter | 0.6250 INCHES NOMINAL IN |
| Largest Step Diameter | 1.210 INCHES NOMINAL IN |
| First End Style | SQUARE (ROUND CORNERS) |
| Material Document and Classification | ASTM A582 TYPE 303 ASSN STD SINGLE MATERIAL RESPONSE |
| Second End Groove Diameter | 0.5380 INCHES MINIMUM AND 0.5430 INCHES MAXIMUM IN |
| End Similarity | NOT IDENTICAL |
| Second End Groove Width | 0.0600 INCHES MINIMUM AND 0.0800 INCHES MAXIMUM IN |
| Second End Distance From End to Groove | 0.992 INCHES MINIMUM AND 0.994 INCHES MAXIMUM IN |
| Second End Style | CIRCULAR GROOVED AND EXTERNALLY THREADED |
| Material | STEEL COMP 303 |
| 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 |
|---|---|
| 137772 PRIMARY | United States Department of Us Army Peo Stri /simulation,training, Instrumentation/ (USA) |
NSN 3040-01-498-7890 is a Shaft,shouldered, manufactured by United States Department of Us Army Peo Stri /simulation,training, Instrumentation/, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-498-7890 has 1 manufacturer part number on file: 137772 (United States Department of Us Army Peo Stri /simulation,training, Instrumentation/).
Key specifications for 137772: Surface Finish: 32.0 MICROINCHES; First End Width Across Flats: 0.735 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN; Second End External Thread Length: 0.992 INCHES MINIMUM AND 0.994 INCHES MAXIMUM IN; Step Quantity: 5. 16 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.