The Crowfoot Attachment,socket Wrenc, cataloged under National Stock Number 5120-00-184-8385, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is General Services Administration Federal Supply Service. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 10 commercial cross-references from 7 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 | 5120-00-184-8385 |
| Primary Part Number | B107.21 TY1CL3STA |
| Item Name | Crowfoot Attachment,socket Wrenc |
| FSC / FSG | 5120 / 51 — No Item Name Available |
| Manufacturer | General Services Administration Federal Supply Service |
| Status | ACTIVE |
| Head Thickness | 1.125 INCHES NOMINAL IN |
| Surface Treatment | CHROMIUM OVERALL |
| Material | STEEL OVERALL |
| Wrenching Surface Shape | 12 POINT SINGLE END INTERNAL |
| Drive Surface Size | 0.500 INCHES NOMINAL SINGLE END IN |
| Specification/standard Data | 0U583-SAE AS4167 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Style Designator | FLARE NUT |
| Wrenching Surface Size | 2.250 INCHES NOMINAL SINGLE END IN |
| Nondefinitive Spec/std Data | 1 TYPE AND 1 CLASS AND C STYLE AND A DESIGN |
| Opening Width | 1.688 INCHES NOMINAL IN |
| Drive End Shape | SQUARE SINGLE END INTERNAL |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| B107.21 TY1CL3STA | General Services Administration Federal Supply Service (USA) |
| GGG-C-1507 TY1CL3 | General Services Administration Federal Supply Service (USA) |
| 10086305 | Nimikkeistokeskus Ncb Finland (FIN) |
| AS4167 | Sae International Dba Sae International (USA) |
| B107.21 | The American Society of Mechanical Engineers (USA) |
| AS4167 TY1CL1STCDEA | General Services Administration Federal Supply Service (USA) |
| B107.21 TY1CL1 | General Services Administration Federal Supply Service (USA) |
| AN8508-36 | Snap on Uk Holdings Ltd T/a Snap on Tools (GBR) |
| AS4167 | Society of Automotive Engineers Inc (USA) |
| GGG-C-1507 | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
NSN 5120-00-184-8385 is a Crowfoot Attachment,socket Wrenc, manufactured by General Services Administration Federal Supply Service, classified under FSC 5120 (No Item Name Available). Status: active.
NSN 5120-00-184-8385 has 10 cross-referenced part numbers: B107.21 TY1CL3STA (General Services Administration Federal Supply Service), GGG-C-1507 TY1CL3 (General Services Administration Federal Supply Service), 10086305 (Nimikkeistokeskus Ncb Finland), AS4167 (Sae International Dba Sae International), B107.21 (The American Society of Mechanical Engineers) and 5 more.
There are 12 known substitutes for 5120-00-184-8385: 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 TY1CL3STA: Overall Width: 3.091 INCHES MAXIMUM IN; Head Thickness: 1.125 INCHES NOMINAL IN; Surface Treatment: CHROMIUM OVERALL; Material: STEEL OVERALL. 13 total characteristics are documented in the Federal Logistics Information System.