The Block,tackle, cataloged under National Stock Number 3940-01-458-5761, is classified within Federal Supply Class 3940 (No Item Name Available) of the Materials Handling Equipment group. The primary manufacturer of record is Harken Inc. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3940-01-458-5761 |
| Primary Part Number | 025 |
| Item Name | Block,tackle |
| FSC / FSG | 3940 / 39 — No Item Name Available |
| Manufacturer | Harken Inc |
| Status | ACTIVE |
| Maximum Tackle Diameter Accommodated | 10.0 MILLIMETERS MM |
| Bearing Type | BALL |
| Material | ALUMINUM SHEAVE |
| Sheave Quantity | 1 |
| Load Rating | 159.0 KILOGRAMS MAXIMUM KG |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 025 PRIMARY | Harken Inc (USA) |
NSN 3940-01-458-5761 is a Block,tackle, manufactured by Harken Inc, classified under FSC 3940 (No Item Name Available). Status: active.
NSN 3940-01-458-5761 has 1 cross-referenced part number: 025 (Harken Inc).
There are 6 known substitutes for 3940-01-458-5761: 4820-00-263-9119, 5950-00-410-5437, 3030-00-528-4455 and 3 more. Verify interchangeability with system specifications before substitution.
Key specifications for 025: Maximum Tackle Diameter Accommodated: 10.0 MILLIMETERS MM; Bearing Type: BALL; Material: ALUMINUM SHEAVE; Sheave Quantity: 1. 5 total characteristics are documented in the Federal Logistics Information System.