The Housing,hook Block Assembly, cataloged under National Stock Number 3940-01-506-6205, is classified within Federal Supply Class 3940 (Blocks, Tackle, Rigging, and Slings) of the Materials Handling Equipment group. Government technical data includes 2 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 3940-01-506-6205 |
| Item Name | Housing,hook Block Assembly |
| FSC / FSG | 3940 / 39 — Blocks, Tackle, Rigging, and Slings |
| Status | ACTIVE |
| Overall Diameter | 2.000 INCHES NOMINAL IN |
| Material | STEEL |
| 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 |
|---|---|
| 17G231019-15 | 3/2 Design control — primary reference U.S. Government activity |
| 17G231019 | D/9 Drawing number reference only U.S. Government activity |
NSN 3940-01-506-6205 is a Housing,hook Block Assembly, classified under FSC 3940, Blocks, Tackle, Rigging, and Slings. Status: active.
Key specifications for 3940-01-506-6205: Overall Height: 2.250 INCHES NOMINAL IN; Overall Diameter: 2.000 INCHES NOMINAL IN; Special Features: MATL STEEL MIL-S-7720 COMP 302 COND A;INDIDE DIA 1.376 MIN/1.380 MAX;TOP TO CTR OF HOLE 1.750 IN.;HOLE DIA .397 MIN/.405 MAX;INSIDE CHAMFER 45 DEG BY .062;OUTSIDE CHAMFER 45 DEG BY .100;TEXTGEND ITEM C-17A SUPPORT EQUIPMENT;NHA ADAPTER-CTR CRADLE A; Material: STEEL. 2 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.