The Block,tackle, cataloged under National Stock Number 3940-01-241-9957, is classified within Federal Supply Class 3940 (No Item Name Available) of the Materials Handling Equipment group. The primary manufacturer of record is The Crosby Group Llc Dba the Crosby Group. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references 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 | 3940-01-241-9957 |
| Primary Part Number | 418-6 |
| Item Name | Block,tackle |
| FSC / FSG | 3940 / 39 — No Item Name Available |
| Manufacturer | The Crosby Group Llc Dba the Crosby Group |
| Status | ACTIVE |
| Sheave Outside Diameter | 6.000 INCHES NOMINAL IN |
| Maximum Tackle Diameter Accommodated | 0.750 INCHES IN |
| Tackle Accommodated Type | WIRE ROPE |
| Block Type | SNATCH |
| Attachment Style | FRONT EYE FLATTED LOOSE HOOK |
| Sheave Quantity | 1 |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 3940-01-241-9957 is a Block,tackle, manufactured by The Crosby Group Llc Dba the Crosby Group, classified under FSC 3940 (No Item Name Available). Status: active.
NSN 3940-01-241-9957 has 3 cross-referenced part numbers: 199573 (The Crosby Group Llc Dba the Crosby Group), 108154 (The Crosby Group Llc Dba the Crosby Group), 418-6 (The Crosby Group Llc Dba the Crosby Group).
There are 6 known substitutes for 3940-01-241-9957: 1560-00-348-8189, 4540-00-433-2230, 4720-01-196-4220 and 3 more. Verify interchangeability with system specifications before substitution.
Key specifications for 418-6: Sheave Outside Diameter: 6.000 INCHES NOMINAL IN; Maximum Tackle Diameter Accommodated: 0.750 INCHES IN; Tackle Accommodated Type: WIRE ROPE; Block Type: SNATCH. 6 total characteristics are documented in the Federal Logistics Information System.