The Collar,shaft, cataloged under National Stock Number 3040-00-702-8656, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Army, United States Department of the Dba Rock Island Arsenal Jmtc. Government technical data includes 13 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 | 3040-00-702-8656 |
| Primary Part Number | 7028656 |
| Item Name | Collar,shaft |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Army, United States Department of the Dba Rock Island Arsenal Jmtc |
| Status | ACTIVE |
| Surface Finish | 125 MICROINCHES INSIDE PERIPHERY |
| Securing Hole Type and Location | UNTHREADED SINGLE HOLE |
| Criticality Code Justification | ABXV |
| Style Designator | PLAIN ROUND |
| Material Document and Classification | QQ-S-631, COMP 1010-CANCELED FED SPEC 1ST MATERIAL RESPONSE AND QQ-S-631, COMP 1020-CANCELED FED SPEC 2ND MATERIAL RESPONSE AND QQ-S-634, COMP 1010-CANCELED FED SPEC 3RD MATERIAL RESPONSE AND QQ-S-634, COMP 1020-CANCELED FED SPEC 4TH MATERIAL RESPONSE |
| Outside Diameter | 0.625 INCHES NOMINAL IN |
| Hole Diameter and Location | 0.1285 INCHES NOMINAL SINGLE HOLE IN |
| Angle Between Centerlines of Securing Holes in Deg | 180.0 |
| Securing Hole Quantity | 2 |
| Surface Treatment | PHOSPHATE AND PHOSPHATE ZINC |
| Bore Diameter | 0.4370 INCHES MINIMUM AND 0.4400 INCHES MAXIMUM IN |
| Material | STEEL COMP 1010 OR STEEL COMP 1020 |
| Thickness | 0.312 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 | Y |
| Part Number | Manufacturer |
|---|---|
| 7028656 PRIMARY | Army, United States Department of the Dba Rock Island Arsenal Jmtc (USA) |
NSN 3040-00-702-8656 is a Collar,shaft, manufactured by Army, United States Department of the Dba Rock Island Arsenal Jmtc, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-00-702-8656 has 1 manufacturer part number on file: 7028656 (Army, United States Department of the Dba Rock Island Arsenal Jmtc).
Key specifications for 7028656: Surface Finish: 125 MICROINCHES INSIDE PERIPHERY; Securing Hole Type and Location: UNTHREADED SINGLE HOLE; Criticality Code Justification: ABXV; Style Designator: PLAIN ROUND. 13 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.