The Shaft,shouldered, cataloged under National Stock Number 3040-01-192-7388, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Service & Sales Inc. Government technical data includes 14 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-192-7388 |
| Primary Part Number | SS-3620156-1 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Service & Sales Inc |
| Status | ACTIVE |
| Step Quantity | 9 |
| First End Diameter | 1.8895 INCHES MINIMUM AND 1.8898 INCHES MAXIMUM IN |
| Second End Diameter | 1.7100 INCHES MINIMUM AND 1.7200 INCHES MAXIMUM IN |
| Largest Step Diameter | 1.8895 INCHES MINIMUM AND 1.8898 INCHES MAXIMUM IN |
| Second End Spline Minor Diameter | 1.7225 INCHES MINIMUM AND 1.7300 INCHES MAXIMUM IN |
| First End Style | PLAIN |
| Second End Spline Major Diameter | 1.7495 INCHES MINIMUM AND 1.7498 INCHES MAXIMUM IN |
| End Similarity | NOT IDENTICAL |
| Second End Spline Quantity | 29 |
| Second End Pressure Angle | 30.0 DEGREES NOMINAL |
| Second End Style | SPLINED (INVOLUTE) |
| Material | STEEL |
| Second End Pitch Diameter | 1.7323 INCHES NOMINAL IN |
| Second End Spline Length | 0.3000 INCHES MINIMUM AND 0.3600 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| SS-3620156-1 | Service & Sales Inc (USA) |
| Reference | Meaning |
|---|---|
| 3620156-1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3040-01-192-7388 is a Shaft,shouldered, manufactured by Service & Sales Inc, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-192-7388 has 1 manufacturer part number on file: SS-3620156-1 (Service & Sales Inc).
Key specifications for SS-3620156-1: Step Quantity: 9; First End Diameter: 1.8895 INCHES MINIMUM AND 1.8898 INCHES MAXIMUM IN; Second End Diameter: 1.7100 INCHES MINIMUM AND 1.7200 INCHES MAXIMUM IN; Largest Step Diameter: 1.8895 INCHES MINIMUM AND 1.8898 INCHES MAXIMUM IN. 14 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 3040-01-192-7388 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.