The Block,tackle, cataloged under National Stock Number 3940-00-708-0704, is classified within Federal Supply Class 3940 (No Item Name Available) of the Materials Handling Equipment group. The primary manufacturer of record is Western Plant Div of the Crosby Group Inc. Government technical data includes 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3940-00-708-0704 |
| Primary Part Number | B342 |
| Item Name | Block,tackle |
| FSC / FSG | 3940 / 39 — No Item Name Available |
| Manufacturer | Western Plant Div of the Crosby Group Inc |
| Status | ACTIVE |
| Surface Treatment | VARNISH OVERALL |
| Material | STEEL SHELL |
| Load Rating | 24000.0 POUNDS MAXIMUM LBS |
| Bearing Type | PLAIN |
| Material | COPPER ALLOY BEARING |
| Material | STEEL SHEAVE |
| Tackle Locking Device | NOT INCLUDED |
| Material | STEEL CENTER PIN |
| Style Designator | ROUND PATTERN |
| Center Pin Diameter | 1.500 INCHES NOMINAL IN |
| Block Type | SNATCH |
| Tackle Accommodated Type | WIRE ROPE |
| Attachment Style | OBLONG SWIVEL EYE AND SHACKLE |
| Sheave Quantity | 2 |
| Antitoppling Device | NOT INCLUDED |
| Sheave Outside Diameter | 8.000 INCHES NOMINAL IN |
| Maximum Tackle Diameter Accommodated | 0.875 INCHES IN |
| Locking Style | DROP LINK |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| B342 | Western Plant Div of the Crosby Group Inc (USA) |
| MILB11837 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| AA59390-C3B8 | Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA) |
| A-A-59390 | Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA) |
NSN 3940-00-708-0704 is a Block,tackle, manufactured by Western Plant Div of the Crosby Group Inc, classified under FSC 3940 (No Item Name Available). Status: active.
NSN 3940-00-708-0704 has 4 cross-referenced part numbers: B342 (Western Plant Div of the Crosby Group Inc), MILB11837 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), AA59390-C3B8 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), A-A-59390 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC).
There are 9 known substitutes for 3940-00-708-0704: 3940-00-141-7195, 3940-00-202-2196, 3940-00-202-2199 and 6 more. Verify interchangeability with system specifications before substitution.
Key specifications for B342: Surface Treatment: VARNISH OVERALL; Material: STEEL SHELL; Load Rating: 24000.0 POUNDS MAXIMUM LBS; Bearing Type: PLAIN. 18 total characteristics are documented in the Federal Logistics Information System.