The Collar,shaft, cataloged under National Stock Number 3040-01-425-6615, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Appleton Marine Inc. Government technical data includes 5 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-425-6615 |
| Primary Part Number | JMD-1074 |
| Item Name | Collar,shaft |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Appleton Marine Inc |
| Status | ACTIVE |
| Style Designator | ROUND STEPPED |
| Material Document and Classification | FED STD 66 FED STD SINGLE MATERIAL RESPONSE OR AISI 1045 ASSN STD SINGLE MATERIAL RESPONSE OR SAE 1045 ASSN STD SINGLE MATERIAL RESPONSE |
| Outside Diameter | 5.7500 INCHES NOMINAL IN |
| Material | STEEL COMP 1045 |
| Thickness | 2.5000 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 |
|---|---|
| JMD-1074 PRIMARY | Appleton Marine Inc (USA) |
| AMD-1088 IT-71 | Appleton Marine Inc (USA) |
| Reference | Meaning |
|---|---|
| AMD-1088 | D/9 Drawing number reference only Appleton Marine Inc |
NSN 3040-01-425-6615 is a Collar,shaft, manufactured by Appleton Marine Inc, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-425-6615 has 2 manufacturer part numbers on file: JMD-1074 (Appleton Marine Inc), AMD-1088 IT-71 (Appleton Marine Inc).
1 possible match (shared part number, not a government interchangeability claim): 3040-01-425-6616. Verify interchangeability with system specifications before substitution.
Key specifications for JMD-1074: Style Designator: ROUND STEPPED; Material Document and Classification: FED STD 66 FED STD SINGLE MATERIAL RESPONSE OR AISI 1045 ASSN STD SINGLE MATERIAL RESPONSE OR SAE 1045 ASSN STD SINGLE MATERIAL RESPONSE; Outside Diameter: 5.7500 INCHES NOMINAL IN; Special Features: MATERIAL PER AISI/SAE 1045. 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.