The Block,tackle, cataloged under National Stock Number 3940-01-225-7863, is classified within Federal Supply Class 3940 (Blocks, Tackle, Rigging, and Slings) of the Materials Handling Equipment group. Government technical data includes 11 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3940-01-225-7863 |
| Item Name | Block,tackle |
| FSC / FSG | 3940 / 39 — Blocks, Tackle, Rigging, and Slings |
| Status | ACTIVE |
| Sheave Bearing Lubrication Method | PREPACKED WITH GREASE |
| Maximum Tackle Diameter Accommodated | 0.375 INCHES IN |
| Tackle Locking Device | NOT INCLUDED |
| Tackle Accommodated Type | WIRE ROPE |
| Block Type | REGULAR |
| Bearing Type | BALL |
| Sheave Quantity | 2 |
| Material | STEEL SHELL |
| Material | STEEL BEARING |
| Material | IRON CAST SHEAVE |
| Antitoppling Device | NOT INCLUDED |
| 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 |
|---|---|
| 6432942-00 | 3/9 Design control — primary reference Duff-Norton Co Inc |
NSN 3940-01-225-7863 is a Block,tackle, classified under FSC 3940, Blocks, Tackle, Rigging, and Slings. Status: active.
Key specifications for 3940-01-225-7863: Sheave Bearing Lubrication Method: PREPACKED WITH GREASE; Maximum Tackle Diameter Accommodated: 0.375 INCHES IN; Tackle Locking Device: NOT INCLUDED; Tackle Accommodated Type: WIRE ROPE. 11 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.