The Gearshaft,spur, cataloged under National Stock Number 3040-01-436-3854, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Level 10 Industries, Inc. Div Level 10 Industries. Government technical data includes 5 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-436-3854 |
| Primary Part Number | SH10254 |
| Item Name | Gearshaft,spur |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Level 10 Industries, Inc. Div Level 10 Industries |
| Status | ACTIVE |
| Shaft Type | SHOULDERED |
| Shaft Largest Diameter | 0.585 INCHES NOMINAL IN |
| Longer Shaft Segment Length | 0.660 INCHES NOMINAL IN |
| Shaft End Type | PLAIN AND THREADED INTERNAL |
| Gear Location on Shaft | MIDPOINT BETWEEN ENDS OF SHAFT |
| 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 |
|---|---|
| SH10254 PRIMARY | Level 10 Industries, Inc. Div Level 10 Industries (USA) |
| 528294 PRIMARY | Level 10 Industries, Inc. Div Level 10 Industries (USA) |
| SH-10254 PC31 PRIMARY | Level 10 Industries, Inc. Div Level 10 Industries (USA) |
| Reference | Meaning |
|---|---|
| 528294 | C/1 Advisory reference — outside the item-of-supply concept Cooper Industries Inc Dba Cooper Tools |
| SH10254 | D/9 Drawing number reference only Cooper Industries Inc Dba Cooper Tools |
| SH-10254 PC31 | 5/9 Secondary reference Cooper Industries Inc Dba Cooper Tools |
| 528294 | 3/9 Design control — primary reference Darbyshire Steel Co Inc |
NSN 3040-01-436-3854 is a Gearshaft,spur, manufactured by Level 10 Industries, Inc. Div Level 10 Industries, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-436-3854 has 3 manufacturer part numbers on file: SH10254 (Level 10 Industries, Inc. Div Level 10 Industries), 528294 (Level 10 Industries, Inc. Div Level 10 Industries), SH-10254 PC31 (Level 10 Industries, Inc. Div Level 10 Industries).
2 possible matches (shared part number, not a government interchangeability claim): 3040-01-436-3864, 3020-01-437-4751. Verify interchangeability with system specifications before substitution.
Key specifications for SH10254: Shaft Type: SHOULDERED; Shaft Largest Diameter: 0.585 INCHES NOMINAL IN; Longer Shaft Segment Length: 0.660 INCHES NOMINAL IN; Overall Length: 1.220 INCHES NOMINAL IN. 5 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.