The Block,tackle, cataloged under National Stock Number 3940-01-210-1794, is classified within Federal Supply Class 3940 (Blocks, Tackle, Rigging, and Slings) of the Materials Handling Equipment group. Government technical data includes 15 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3940-01-210-1794 |
| Item Name | Block,tackle |
| FSC / FSG | 3940 / 39 — Blocks, Tackle, Rigging, and Slings |
| Status | ACTIVE |
| Sheave Bearing Lubrication Method | SELF-LUBRICATED |
| Maximum Tackle Diameter Accommodated | 3.000 INCHES IN |
| Load Rating | 2500.0 POUNDS MAXIMUM LBS |
| Tackle Locking Device | INCLUDED |
| Sheave Outside Diameter | 7.000 INCHES NOMINAL IN |
| Tackle Accommodated Type | WIRE ROPE |
| Block Type | REGULAR |
| Style Designator | PULLEY PATTERN |
| Shell Length | 15.812 INCHES NOMINAL IN |
| Bearing Type | BALL |
| Surface Treatment | ZINC OVERALL |
| Sheave Quantity | 1 |
| Material | STEEL SHEAVE |
| Counterbalance Location | SUSPENDED FROM BLOCK |
| Antitoppling Device | 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 |
|---|---|
| XS-100-B | 3/2 Design control — primary reference U.S. Government activity |
NSN 3940-01-210-1794 is a Block,tackle, classified under FSC 3940, Blocks, Tackle, Rigging, and Slings. Status: active.
Key specifications for 3940-01-210-1794: Sheave Bearing Lubrication Method: SELF-LUBRICATED; Maximum Tackle Diameter Accommodated: 3.000 INCHES IN; Load Rating: 2500.0 POUNDS MAXIMUM LBS; Tackle Locking Device: INCLUDED. 15 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.