The Block,tackle, cataloged under National Stock Number 3940-00-247-7604, is classified within Federal Supply Class 3940 (No Item Name Available) of the Materials Handling Equipment group. The primary manufacturer of record is Federal Specifications Promulgated by General Services Administration Washington DC. Government technical data includes 19 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. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 3940-00-247-7604 |
| Primary Part Number | GGGB500 |
| Item Name | Block,tackle |
| FSC / FSG | 3940 / 39 — No Item Name Available |
| Manufacturer | Federal Specifications Promulgated by General Services Administration Washington DC |
| Status | CANCELLED |
| Material | STEEL CENTER PIN |
| Sheave Bearing Lubrication Method | SELF-LUBRICATED |
| Attachment Style | FLATTED STIFF SWIVEL HOOK |
| Tackle Accommodated Type | WIRE ROPE |
| Unable to Decode | UNABLE TO DECODE |
| Sheave Quantity | 1 |
| Antitoppling Device | NOT INCLUDED |
| Sheave Outside Diameter | 12.000 INCHES NOMINAL IN |
| Maximum Tackle Diameter Accommodated | 0.875 INCHES IN |
| Tackle Locking Device | NOT INCLUDED |
| Locking Style | SAFETY LOCKING |
| Block Type | SNATCH |
| Nondefinitive Spec/std Data | 1 TYPE |
| Load Rating | 10000.0 POUNDS MAXIMUM LBS |
| Material | STEEL SHEAVE |
| Style Designator | OVAL PATTERN |
| Material | STEEL SHELL |
| Bearing Type | PLAIN |
| Material | COPPER ALLOY BEARING |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| GGGB500 | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
NSN 3940-00-247-7604 is a Block,tackle, manufactured by Federal Specifications Promulgated by General Services Administration Washington DC, classified under FSC 3940 (No Item Name Available). Status: cancelled.
NSN 3940-00-247-7604 has 1 cross-referenced part number: GGGB500 (Federal Specifications Promulgated by General Services Administration Washington DC).
There are 11 known substitutes for 3940-00-247-7604: 3940-00-234-8239, 3940-00-238-0348, 3940-00-238-0408 and 8 more. Verify interchangeability with system specifications before substitution.
Key specifications for GGGB500: Material: STEEL CENTER PIN; Sheave Bearing Lubrication Method: SELF-LUBRICATED; Attachment Style: FLATTED STIFF SWIVEL HOOK; Tackle Accommodated Type: WIRE ROPE. 19 total characteristics are documented in the Federal Logistics Information System.
NSN 3940-00-247-7604 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.