The Block,tackle, cataloged under National Stock Number 3940-00-272-9309, 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 20 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 | 3940-00-272-9309 |
| 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 SHEAVE |
| Style Designator | OVAL PATTERN |
| Sheave Quantity | 2 |
| Block Type | REGULAR |
| Maximum Tackle Diameter Accommodated | 0.625 INCHES IN |
| Attachment Style | DRILLED SWIVEL EYE AND SHACKLE |
| Tackle Locking Device | NOT INCLUDED |
| Becket Type | THIMBLE |
| Tackle Accommodated Type | WIRE ROPE |
| Antitoppling Device | NOT INCLUDED |
| Becket Quantity | 1 |
| Sheave Bearing Lubrication Method | SELF-LUBRICATED |
| Sheave Outside Diameter | 10.000 INCHES NOMINAL IN |
| Material | COPPER ALLOY BEARING |
| Nondefinitive Spec/std Data | 2 TYPE AND A GRADE AND 2 STYLE |
| Material | STEEL SHELL |
| Surface Treatment | ZINC OVERALL |
| Material | STEEL CENTER PIN |
| Load Rating | 6000.0 POUNDS MAXIMUM LBS |
| Bearing Type | PLAIN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| GGGB500 | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
NSN 3940-00-272-9309 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 3940-00-272-9309 has 1 cross-referenced part number: GGGB500 (Federal Specifications Promulgated by General Services Administration Washington DC).
There are 11 known substitutes for 3940-00-272-9309: 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 SHEAVE; Style Designator: OVAL PATTERN; Sheave Quantity: 2; Block Type: REGULAR. 20 total characteristics are documented in the Federal Logistics Information System.