The Block,tackle, cataloged under National Stock Number 3940-00-072-0331, is classified within Federal Supply Class 3940 (No Item Name Available) of the Materials Handling Equipment group. The primary manufacturer of record is Federal Commercial Item Description Promulgated by General Services Administration Washington DC. Government technical data includes 21 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 3940-00-072-0331 |
| Primary Part Number | AA59808-51B |
| Item Name | Block,tackle |
| FSC / FSG | 3940 / 39 — No Item Name Available |
| Manufacturer | Federal Commercial Item Description Promulgated by General Services Administration Washington DC |
| Status | CANCELLED |
| Unable to Decode | UNABLE TO DECODE |
| Material | IRON AND STEEL SHEAVE |
| Tackle Accommodated Type | FIBROUS ROPE |
| Material | IRON AND STEEL SHELL |
| Material | COPPER ALLOY AND COPPER BEARING |
| Antitoppling Device | NOT INCLUDED |
| Attachment Style | CHAIN SHACKLE |
| Becket Type | THIMBLE |
| Maximum Tackle Diameter Accommodated | 1.000 INCHES IN |
| Sheave Quantity | 1 |
| Material | STEEL CENTER PIN |
| Sheave Outside Diameter | 4.500 INCHES NOMINAL IN |
| Sheave Bearing Lubrication Method | SELF-LUBRICATED |
| Bearing Type | PLAIN |
| Becket Quantity | 1 |
| Style Designator | ROUND PATTERN |
| Center Pin Diameter | 0.625 INCHES NOMINAL IN |
| Shell Length | 8.000 INCHES NOMINAL IN |
| Load Rating | 3300.0 POUNDS MAXIMUM LBS |
| Nondefinitive Spec/std Data | 2 TYPE |
| Tackle Locking Device | NOT INCLUDED |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| AA59808-51B | Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA) |
| GGG-B-490 | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
| A-A-59808 | Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA) |
NSN 3940-00-072-0331 is a Block,tackle, manufactured by Federal Commercial Item Description Promulgated by General Services Administration Washington DC, classified under FSC 3940 (No Item Name Available). Status: cancelled.
NSN 3940-00-072-0331 has 3 cross-referenced part numbers: AA59808-51B (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), GGG-B-490 (Federal Specifications Promulgated by General Services Administration Washington DC), A-A-59808 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC).
There are 8 known substitutes for 3940-00-072-0331: 3940-00-059-5995, 3940-00-059-5996, 3940-00-068-9173 and 5 more. Verify interchangeability with system specifications before substitution.
Key specifications for AA59808-51B: Unable to Decode: UNABLE TO DECODE; Material: IRON AND STEEL SHEAVE; Tackle Accommodated Type: FIBROUS ROPE; Material: IRON AND STEEL SHELL. 22 total characteristics are documented in the Federal Logistics Information System.
NSN 3940-00-072-0331 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.