The Block and Tackle, cataloged under National Stock Number 3940-01-397-4132, is classified within Federal Supply Class 3940 (Blocks, Tackle, Rigging, and Slings) of the Materials Handling Equipment group. The manufacturer of record is The Crosby Group Llc Dba the Crosby Group. Government technical data includes 10 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3940-01-397-4132 |
| Primary Part Number | 205866 |
| Item Name | Block and Tackle |
| FSC / FSG | 3940 / 39 — Blocks, Tackle, Rigging, and Slings |
| Manufacturer | The Crosby Group Llc Dba the Crosby Group |
| Status | ACTIVE |
| Sheave Bearing Lubrication Method | PRESSURE GREASE FITTING |
| Maximum Tackle Diameter Accommodated | 0.500 INCHES IN |
| Sheave Outside Diameter | 12.000 INCHES NOMINAL IN |
| Tackle Accommodated Type | WIRE ROPE |
| Block Type | REGULAR |
| Style Designator | ROUND PATTERN |
| Tackle Block Quantity | 1 |
| Bearing Type | ROLLER |
| Sheave Quantity | 1 |
| Material | STEEL SHEAVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 205866 PRIMARY | The Crosby Group Llc Dba the Crosby Group (USA) |
| Reference | Meaning |
|---|---|
| 6695836 PIECE 47 | 5/9 Secondary reference Naval Sea Systems Command |
NSN 3940-01-397-4132 is a Block and Tackle, manufactured by The Crosby Group Llc Dba the Crosby Group, classified under FSC 3940, Blocks, Tackle, Rigging, and Slings. Status: active.
NSN 3940-01-397-4132 has 1 manufacturer part number on file: 205866 (The Crosby Group Llc Dba the Crosby Group).
Key specifications for 205866: Sheave Bearing Lubrication Method: PRESSURE GREASE FITTING; Maximum Tackle Diameter Accommodated: 0.500 INCHES IN; Sheave Outside Diameter: 12.000 INCHES NOMINAL IN; Tackle Accommodated Type: WIRE ROPE. 10 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.