The Block,tackle, cataloged under National Stock Number 3940-01-686-8788, is classified within Federal Supply Class 3940 (Blocks, Tackle, Rigging, and Slings) of the Materials Handling Equipment group. The manufacturer of record is Ronstan International, Inc. Dba Wichard Groupe North America. Government technical data includes 2 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3940-01-686-8788 |
| Primary Part Number | RF64520 |
| Item Name | Block,tackle |
| FSC / FSG | 3940 / 39 — Blocks, Tackle, Rigging, and Slings |
| Manufacturer | Ronstan International, Inc. Dba Wichard Groupe North America |
| Status | ACTIVE |
| Center Pin Diameter | 6.0 MILLIMETERS NOMINAL MM |
| Bearing Type | BALL |
| 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 |
|---|---|
| RF64520 PRIMARY | Ronstan International, Inc. Dba Wichard Groupe North America (USA) |
NSN 3940-01-686-8788 is a Block,tackle, manufactured by Ronstan International, Inc. Dba Wichard Groupe North America, classified under FSC 3940, Blocks, Tackle, Rigging, and Slings. Status: active.
NSN 3940-01-686-8788 has 1 manufacturer part number on file: RF64520 (Ronstan International, Inc. Dba Wichard Groupe North America).
Key specifications for RF64520: Center Pin Diameter: 6.0 MILLIMETERS NOMINAL MM; Bearing Type: BALL; Part Name Assigned by Controlling Agency: FIDDLE BLOCK, CLEAT, UNIVERSAL HEAD. 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.