The Block,tackle, cataloged under National Stock Number 3940-00-805-4024, 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 22 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: Active.
| Parameter | Value |
|---|---|
| NSN | 3940-00-805-4024 |
| 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 | ACTIVE |
| Material | STEEL CENTER PIN |
| Material Document and Classification | QQ-S-681, CLASS 80-40 FED SPEC SINGLE MATERIAL RESPONSE SHEAVE |
| Material Document and Classification | MIL-B-5687 MIL SPEC SINGLE MATERIAL RESPONSE BEARING |
| Nondefinitive Spec/std Data | 1 TYPE AND A GRADE AND 1 STYLE |
| Bearing Type | PLAIN |
| Load Rating | 12000.0 POUNDS MAXIMUM LBS |
| Surface Treatment | ZINC OVERALL |
| Material | STEEL SHELL |
| Material | COPPER ALLOY BEARING |
| Material | STEEL UNS J05002 SHEAVE |
| Style Designator | OVAL PATTERN |
| Material Document and Classification | QQ-S-741 FED SPEC SINGLE MATERIAL RESPONSE SHELL |
| Tackle Accommodated Type | WIRE ROPE |
| Antitoppling Device | NOT INCLUDED |
| Maximum Tackle Diameter Accommodated | 1.000 INCHES IN |
| Sheave Outside Diameter | 14.000 INCHES NOMINAL IN |
| Sheave Bearing Lubrication Method | SELF-LUBRICATED |
| Locking Style | SAFETY LOCKING |
| Tackle Locking Device | NOT INCLUDED |
| Sheave Quantity | 1 |
| Attachment Style | DRILLED SWIVEL EYE |
| Block Type | SNATCH |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| GGGB500 | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
NSN 3940-00-805-4024 is a Block,tackle, manufactured by Federal Specifications Promulgated by General Services Administration Washington DC, classified under FSC 3940 (No Item Name Available). Status: active.
NSN 3940-00-805-4024 has 1 cross-referenced part number: GGGB500 (Federal Specifications Promulgated by General Services Administration Washington DC).
There are 11 known substitutes for 3940-00-805-4024: 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; Material Document and Classification: QQ-S-681, CLASS 80-40 FED SPEC SINGLE MATERIAL RESPONSE SHEAVE; Material Document and Classification: MIL-B-5687 MIL SPEC SINGLE MATERIAL RESPONSE BEARING; Nondefinitive Spec/std Data: 1 TYPE AND A GRADE AND 1 STYLE. 22 total characteristics are documented in the Federal Logistics Information System.