The Shaft,shouldered, cataloged under National Stock Number 3040-00-491-3602, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Hatch & Kirk, Inc.. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 3040-00-491-3602 |
| Primary Part Number | 701365 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Hatch & Kirk, Inc. |
| Status | ACTIVE |
| Surface Finish | 125.0 MICROINCHES |
| Step Quantity | 3 |
| Largest Step Diameter | 0.620 INCHES MINIMUM AND 0.622 INCHES MAXIMUM IN |
| Second End Distance From Keyway Center to End | 1.437 INCHES NOMINAL IN |
| First End Style | UNTHREADED CROSS DRILLED |
| Second End Keyway Width | 0.1240 INCHES MINIMUM AND 0.1255 INCHES MAXIMUM IN |
| Second End Groove Diameter | 0.5810 INCHES MINIMUM AND 0.5910 INCHES MAXIMUM IN |
| End Similarity | NOT IDENTICAL |
| First End Hole Diameter | 0.2660 INCHES NOMINAL IN |
| Second End Groove Width | 0.0390 INCHES MINIMUM AND 0.0420 INCHES MAXIMUM IN |
| Second End Distance From End to Groove | 0.094 INCHES NOMINAL IN |
| Second End Style | WOODRUFF KEYWAY AND CIRCULAR GROOVED |
| Material | STEEL COMP 316 |
| First End Distance From Hole Center to End | 0.375 INCHES NOMINAL IN |
| Reference Number Differentiating Characteristics | AS DIFFERENTIATED BY SPECIAL FEATURES |
| External Keyway Length | 0.500 INCHES MINIMUM AND 0.518 INCHES MAXIMUM SECOND END 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 |
|---|---|
| 701365 | Hatch & Kirk, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 3040NR0260 | D/9 Drawing number reference only Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings) |
| 3040NR0260 | 5/9 Secondary reference Tbr Inc. |
| 701365 | 3/1 Design control — primary reference Dresser, Llc |
NSN 3040-00-491-3602 is a Shaft,shouldered, manufactured by Hatch & Kirk, Inc., classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-00-491-3602 has 1 manufacturer part number on file: 701365 (Hatch & Kirk, Inc.).
2 possible matches (shared part number, not a government interchangeability claim): 2840-01-160-7188, 3110-01-203-2883. Verify interchangeability with system specifications before substitution.
Key specifications for 701365: Surface Finish: 125.0 MICROINCHES; Step Quantity: 3; Largest Step Diameter: 0.620 INCHES MINIMUM AND 0.622 INCHES MAXIMUM IN; Second End Distance From Keyway Center to End: 1.437 INCHES NOMINAL IN. 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.