The Collar,shaft, cataloged under National Stock Number 5340-01-680-8601, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. Government technical data includes 8 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-680-8601 |
| Item Name | Collar,shaft |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Status | ACTIVE |
| Securing Hole Type and Location | THREADED ALL HOLES |
| Style Designator | PLAIN ROUND |
| Outside Diameter | 1.125 INCHES NOMINAL IN |
| Unpackaged Unit Weight | 0.080 POUNDS LBS |
| Securing Hole Quantity | 2 |
| Bore Diameter | 0.500 INCHES NOMINAL IN |
| Material | STEEL |
| Thickness | 0.406 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Unit of Issue | EA |
| Reference | Meaning |
|---|---|
| SP-8-F | 3/2 Design control — primary reference U.S. Government activity |
| SP-8-FZ | 5/9 Secondary reference U.S. Government activity |
NSN 5340-01-680-8601 is a Collar,shaft, classified under FSC 5340, Hardware, Commercial. Status: active.
Key specifications for 5340-01-680-8601: Securing Hole Type and Location: THREADED ALL HOLES; Style Designator: PLAIN ROUND; Outside Diameter: 1.125 INCHES NOMINAL IN; Unpackaged Unit Weight: 0.080 POUNDS LBS. 8 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). 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.