The Crowfoot Attachment,socket Wrenc, cataloged under National Stock Number 5120-00-184-8388, 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 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 3 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 | 5120-00-184-8388 |
| Primary Part Number | B107.21 |
| Item Name | Crowfoot Attachment,socket Wrenc |
| FSC / FSG | 5120 / 51 — No Item Name Available |
| Manufacturer | The American Society of Mechanical Engineers |
| Status | ACTIVE |
| Head Thickness | 1.188 INCHES NOMINAL IN |
| Wrenching Surface Size | 2.438 INCHES NOMINAL SINGLE END IN |
| Drive End Shape | SQUARE SINGLE END INTERNAL |
| Drive Surface Size | 0.500 INCHES NOMINAL SINGLE END IN |
| Nondefinitive Spec/std Data | 1 TYPE AND 1 CLASS |
| Surface Treatment | CHROMIUM OVERALL |
| Specification/standard Data | 05047-ASME B107.21 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Style Designator | FLARE NUT |
| Material | STEEL OVERALL |
| Wrenching Surface Shape | 12 POINT SINGLE END INTERNAL |
| Opening Width | 1.812 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| B107.21 | The American Society of Mechanical Engineers (USA) |
| B107.21 TY1CL3STA | General Services Administration Federal Supply Service (USA) |
| GGG-C-1507 TY1CL3 | General Services Administration Federal Supply Service (USA) |
| B107.21 TY1CL1 | General Services Administration Federal Supply Service (USA) |
| GGG-C-1507 | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
NSN 5120-00-184-8388 is a Crowfoot Attachment,socket Wrenc, manufactured by The American Society of Mechanical Engineers, classified under FSC 5120 (No Item Name Available). Status: active.
NSN 5120-00-184-8388 has 5 cross-referenced part numbers: B107.21 (The American Society of Mechanical Engineers), B107.21 TY1CL3STA (General Services Administration Federal Supply Service), GGG-C-1507 TY1CL3 (General Services Administration Federal Supply Service), B107.21 TY1CL1 (General Services Administration Federal Supply Service), GGG-C-1507 (Federal Specifications Promulgated by General Services Administration Washington DC).
There are 12 known substitutes for 5120-00-184-8388: 5120-00-181-6750, 5120-00-181-6752, 5120-00-181-6753 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for B107.21: Overall Width: 3.310 INCHES MAXIMUM IN; Head Thickness: 1.188 INCHES NOMINAL IN; Overall Length: 4.046 INCHES NOMINAL IN; Wrenching Surface Size: 2.438 INCHES NOMINAL SINGLE END IN. 13 total characteristics are documented in the Federal Logistics Information System.