The Collar,shaft, cataloged under National Stock Number 3040-00-318-7175, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is L3harris Technologies, Inc Div Space & Airborne Systems. Government technical data includes 6 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. 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 | 3040-00-318-7175 |
| Primary Part Number | 42358 |
| Item Name | Collar,shaft |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | L3harris Technologies, Inc Div Space & Airborne Systems |
| Status | ACTIVE |
| Style Designator | PLAIN ROUND |
| Material Document and Classification | MIL-T-5066, TYPE 2 MIL SPEC SINGLE MATERIAL RESPONSE |
| Outside Diameter | 4.265 INCHES NOMINAL IN |
| Bore Diameter | 3.8800 INCHES NOMINAL IN |
| Material | STEEL COMP 1025 |
| Thickness | 0.778 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 |
|---|---|
| 42358 PRIMARY | L3harris Technologies, Inc Div Space & Airborne Systems (USA) |
NSN 3040-00-318-7175 is a Collar,shaft, manufactured by L3harris Technologies, Inc Div Space & Airborne Systems, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-00-318-7175 has 1 manufacturer part number on file: 42358 (L3harris Technologies, Inc Div Space & Airborne Systems).
2 possible matches (shared part number, not a government interchangeability claim): 5962-01-088-9417, 5355-01-536-7866. Verify interchangeability with system specifications before substitution.
Key specifications for 42358: Style Designator: PLAIN ROUND; Material Document and Classification: MIL-T-5066, TYPE 2 MIL SPEC SINGLE MATERIAL RESPONSE; Outside Diameter: 4.265 INCHES NOMINAL IN; Bore Diameter: 3.8800 INCHES NOMINAL IN. 6 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.