The Block,tackle, cataloged under National Stock Number 3940-00-272-9308, 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 21 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3940-00-272-9308 |
| Primary Part Number | GG-B-500 |
| Item Name | Block,tackle |
| FSC / FSG | 3940 / 39 — No Item Name Available |
| Manufacturer | Federal Specifications Promulgated by General Services Administration Washington DC |
| Status | ACTIVE |
| Bearing Type | PLAIN |
| Material | STEEL SHEAVE |
| Material | STEEL CENTER PIN |
| Tackle Accommodated Type | WIRE ROPE |
| Becket Quantity | 1 |
| Sheave Outside Diameter | 10.000 INCHES NOMINAL IN |
| Maximum Tackle Diameter Accommodated | 0.625 INCHES IN |
| Sheave Quantity | 1 |
| Sheave Bearing Lubrication Method | SELF-LUBRICATED |
| Attachment Style | FLATTED STIFF SWIVEL HOOK |
| Tackle Locking Device | NOT INCLUDED |
| Block Type | REGULAR |
| Antitoppling Device | NOT INCLUDED |
| Material | COPPER ALLOY BEARING |
| Becket Type | THIMBLE |
| Surface Treatment | PAINT OVERALL |
| Departure From Cited Document | AS MODIFIED BY SURFACE TREATMENT AND LOCATION |
| Nondefinitive Spec/std Data | 2 TYPE AND A GRADE AND 1 STYLE |
| Load Rating | 5000.0 POUNDS MAXIMUM LBS |
| Style Designator | DIAMOND PATTERN |
| Material | STEEL SHELL |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 3940-00-272-9308 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 3940-00-272-9308 has 2 cross-referenced part numbers: GG-B-500 (Federal Specifications Promulgated by General Services Administration Washington DC), GGG-B-500 (Federal Specifications Promulgated by General Services Administration Washington DC).
There are 12 known substitutes for 3940-00-272-9308: 3940-00-234-8239, 3940-00-238-0348, 3940-00-238-0408 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for GG-B-500: Bearing Type: PLAIN; Material: STEEL SHEAVE; Material: STEEL CENTER PIN; Tackle Accommodated Type: WIRE ROPE. 21 total characteristics are documented in the Federal Logistics Information System.