The Collar,shaft, cataloged under National Stock Number 3040-00-202-5309, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. Government technical data includes 18 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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.
| Parameter | Value |
|---|---|
| NSN | 3040-00-202-5309 |
| Item Name | Collar,shaft |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Status | ACTIVE |
| Internal Keyway Width | 0.255 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN |
| Furnished Items and Quantity | 4 HEADLESS STRAIGHT PIN |
| Counterbore Depth and Location | 0.5000 INCHES NOMINAL SINGLE HOLE IN |
| FSC Application Data | TARGET AERIAL TOW |
| Securing Hole Type and Location | THREADED-COUNTERBORED SINGLE HOLE |
| Style Designator | PLAIN ROUND |
| Material Document and Classification | QQ-S-634, COMP 1018-CANCELED FED SPEC SINGLE MATERIAL RESPONSE |
| Screw Thread Series Designator and Location | SINGLE HOLE UNIFIED NATIONAL COARSE (UNC) |
| Outside Diameter | 3.468 INCHES NOMINAL IN |
| Keyway Quantity | 1 |
| Nominal Thread Size | 0.250 INCHES SINGLE HOLE IN |
| Distance From Center of Bore to Bottom of Keyway | 0.820 INCHES MINIMUM AND 0.830 INCHES MAXIMUM IN |
| Securing Hole Quantity | 1 |
| Surface Treatment | CADMIUM |
| Bore Diameter | 1.3860 INCHES MINIMUM AND 1.3890 INCHES MAXIMUM IN |
| Material | STEEL COMP 1018 |
| Counterbore Diameter and Location | 0.2570 INCHES NOMINAL SINGLE HOLE IN |
| Thickness | 2.750 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 |
| Reference | Meaning |
|---|---|
| 61C10939 | 5/9 Secondary reference Anderson Greenwood Lp Dba Anderson Greenwood Crosby |
| 61C10939 | 3/9 Design control — primary reference Eglin Air Force Base |
NSN 3040-00-202-5309 is a Collar,shaft, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
Key specifications for 3040-00-202-5309: Internal Keyway Width: 0.255 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN; Furnished Items and Quantity: 4 HEADLESS STRAIGHT PIN; Counterbore Depth and Location: 0.5000 INCHES NOMINAL SINGLE HOLE IN; FSC Application Data: TARGET AERIAL TOW. 18 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.