The Shaft,shouldered, cataloged under National Stock Number 3040-01-438-8096, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Dumore Corporation. Government technical data includes 2 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 | 3040-01-438-8096 |
| Primary Part Number | TN-3 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Dumore Corporation |
| Status | ACTIVE |
| Largest Step Diameter | 0.610 INCHES NOMINAL IN |
| End Similarity | NOT IDENTICAL |
| 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 |
|---|---|
| TN-3 PRIMARY | Dumore Corporation (USA) |
NSN 3040-01-438-8096 is a Shaft,shouldered, manufactured by Dumore Corporation, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-438-8096 has 1 manufacturer part number on file: TN-3 (Dumore Corporation).
Key specifications for TN-3: Largest Step Diameter: 0.610 INCHES NOMINAL IN; Overall Length: 6.500 INCHES NOMINAL IN; End Similarity: NOT IDENTICAL; Special Features: INSERT FOR INSERT SPINDLE, MAX WHEEL SIZE 1 X 1/8, WHEEL BORE 0.125, USED ON WHEEL FOR TOOP OST GRINDER SERIES 57, MODEL 8475, 8476, 8477, DUMORE CORP.. 2 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.