The Block and Tackle, cataloged under National Stock Number 3940-01-658-4343, is classified within Federal Supply Class 3940 (Blocks, Tackle, Rigging, and Slings) of the Materials Handling Equipment group. The manufacturer of record is Waterman Supply Company, Inc. Dba Waterman Supply Co Inc. Government technical data includes 9 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 | 3940-01-658-4343 |
| Primary Part Number | SL386B-120S |
| Item Name | Block and Tackle |
| FSC / FSG | 3940 / 39 — Blocks, Tackle, Rigging, and Slings |
| Manufacturer | Waterman Supply Company, Inc. Dba Waterman Supply Co Inc |
| Status | ACTIVE |
| Attachment Style | OBLONG SWIVEL EYE |
| Maximum Tackle Diameter Accommodated | 1.5 INCHES IN |
| Load Rating | 10000.0 POUNDS NOMINAL LBS |
| Sheave Outside Diameter | 6.75 INCHES NOMINAL IN |
| Tackle Accommodated Type | FIBROUS ROPE |
| Block Type | SNATCH |
| Center Pin Diameter | 1.0 INCHES NOMINAL IN |
| Style Designator | OVAL PATTERN |
| Tackle Block Quantity | 1 |
| 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 |
|---|---|
| SL386B-120S PRIMARY | Waterman Supply Company, Inc. Dba Waterman Supply Co Inc (USA) |
NSN 3940-01-658-4343 is a Block and Tackle, manufactured by Waterman Supply Company, Inc. Dba Waterman Supply Co Inc, classified under FSC 3940, Blocks, Tackle, Rigging, and Slings. Status: active.
NSN 3940-01-658-4343 has 1 manufacturer part number on file: SL386B-120S (Waterman Supply Company, Inc. Dba Waterman Supply Co Inc).
Key specifications for SL386B-120S: Attachment Style: OBLONG SWIVEL EYE; Maximum Tackle Diameter Accommodated: 1.5 INCHES IN; Load Rating: 10000.0 POUNDS NOMINAL LBS; Sheave Outside Diameter: 6.75 INCHES NOMINAL IN. 9 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.