The Block,dolly,sheet Metalworking, cataloged under National Stock Number 5120-00-221-1637, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is The American Society of Mechanical Engineers. Government technical data includes 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 5 manufacturers, 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 | 5120-00-221-1637 |
| Primary Part Number | B107.56 |
| Item Name | Block,dolly,sheet Metalworking |
| FSC / FSG | 5120 / 51 — No Item Name Available |
| Manufacturer | The American Society of Mechanical Engineers |
| Status | ACTIVE |
| Specification/standard Data | 05047-ASME B107.56 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Nondefinitive Spec/std Data | 2 TYPE |
| Tool Style Designator | BC4 |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| B107.56 | The American Society of Mechanical Engineers (USA) |
| B107.400 | The American Society of Mechanical Engineers (USA) |
| B107.56 TY2 | General Services Administration Federal Supply Service (USA) |
| GGG-B-481 | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
| A-A-3017 | Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA) |
| 1057 | Martin Sprocket and Gear Inc (USA) |
| GGG-B-481 TY1STD | General Services Administration Federal Supply Service (USA) |
NSN 5120-00-221-1637 is a Block,dolly,sheet Metalworking, manufactured by The American Society of Mechanical Engineers, classified under FSC 5120 (No Item Name Available). Status: active.
NSN 5120-00-221-1637 has 7 cross-referenced part numbers: B107.56 (The American Society of Mechanical Engineers), B107.400 (The American Society of Mechanical Engineers), B107.56 TY2 (General Services Administration Federal Supply Service), GGG-B-481 (Federal Specifications Promulgated by General Services Administration Washington DC), A-A-3017 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC) and 2 more.
There are 12 known substitutes for 5120-00-221-1637: 5120-00-024-7213, 4820-00-097-6124, 5120-00-187-1040 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for B107.56: Weight: 1.8 POUNDS LBS; Special Features: SIZE: 4-3/4 X 2-1/4 X 11/16 INCHES NOMINAL IN; Specification/standard Data: 05047-ASME B107.56 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD; Nondefinitive Spec/std Data: 2 TYPE. 5 total characteristics are documented in the Federal Logistics Information System.