The Block,tackle, cataloged under National Stock Number 3940-01-500-1241, 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 4 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. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3940-01-500-1241 |
| Primary Part Number | 121022 |
| Item Name | Block,tackle |
| FSC / FSG | 3940 / 39 — No Item Name Available |
| Manufacturer | The Crosby Group Llc Dba the Crosby Group |
| Status | ACTIVE |
| Style Designator | PULLEY PATTERN |
| Material | STEEL OVERALL |
| Sheave Quantity | 1 |
| Block Type | REGULAR |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 121022 PRIMARY | The Crosby Group Llc Dba the Crosby Group (USA) |
NSN 3940-01-500-1241 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 3940-01-500-1241 has 1 cross-referenced part number: 121022 (The Crosby Group Llc Dba the Crosby Group).
There are 7 known substitutes for 3940-01-500-1241: 4730-00-041-1579, 5915-00-044-4218, 5331-00-252-8839 and 4 more. Verify interchangeability with system specifications before substitution.
Key specifications for 121022: Style Designator: PULLEY PATTERN; Material: STEEL OVERALL; Sheave Quantity: 1; End Item Identification: C319011/RDD OR FC1 (MODULAR CAUSEWAY). 6 total characteristics are documented in the Federal Logistics Information System.