The Shaft,shouldered, cataloged under National Stock Number 3040-01-438-2165, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Pyser Sgi Limited. Government technical data includes 11 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3040-01-438-2165 |
| Primary Part Number | B29206-1 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Pyser Sgi Limited |
| Status | ACTIVE |
| Step Quantity | 1 |
| First End Diameter | 0.3120 INCHES MINIMUM AND 0.3125 INCHES MAXIMUM IN |
| First End Distance From Keyway Center to End | 0.1900 INCHES NOMINAL IN |
| Second End Diameter | 0.2485 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM IN |
| Largest Step Diameter | 0.3120 INCHES MINIMUM AND 0.3125 INCHES MAXIMUM IN |
| First End Style | WOODRUFF KEYWAY |
| End Similarity | NOT IDENTICAL |
| Second End Style | PLAIN |
| Material | STEEL COMP 303 |
| External Keyway Length | 0.2420 INCHES MINIMUM AND 0.2520 INCHES MAXIMUM FIRST END IN |
| First End Keyway Width | 0.0620 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 |
|---|---|
| B29206-1 | Pyser Sgi Limited (GBR) |
| Reference | Meaning |
|---|---|
| B29206-1 | 3/9 Design control — primary reference Richards Imagery Interpretation Systems, L.l.c. |
NSN 3040-01-438-2165 is a Shaft,shouldered, manufactured by Pyser Sgi Limited, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-438-2165 has 1 manufacturer part number on file: B29206-1 (Pyser Sgi Limited).
Key specifications for B29206-1: Step Quantity: 1; First End Diameter: 0.3120 INCHES MINIMUM AND 0.3125 INCHES MAXIMUM IN; First End Distance From Keyway Center to End: 0.1900 INCHES NOMINAL IN; Second End Diameter: 0.2485 INCHES MINIMUM AND 0.2495 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.