The Crowfoot Attachment,socket Wrenc, cataloged under National Stock Number 5120-01-131-4465, 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 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5120-01-131-4465 |
| 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 |
| Specification/standard Data | 05047-ASME B107.21 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Drive Surface Size | 0.375 INCHES NOMINAL SINGLE END IN |
| Wrenching Surface Shape | OVAL SINGLE END INTERNAL |
| Drive End Shape | SQUARE SINGLE END INTERNAL |
| Style Designator | OPEN END |
| Material | STEEL OVERALL |
| Wrenching Surface Size | 0.562 INCHES NOMINAL SINGLE END IN |
| Surface Treatment | CHROMIUM OVERALL |
| Head Thickness | 0.234 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 5120-01-131-4465 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 5120-01-131-4465 has 4 cross-referenced part numbers: B107.21 (The American Society of Mechanical Engineers), 4918 (Stanley-Proto Industrial Works Div of the Stanley Works), FCO18 (Sna Germany Gmbh), 4918 (Ingersoll-Rand Co Proto Tool Div Tool Group Headquarters).
There are 7 known substitutes for 5120-01-131-4465: 5340-00-200-8360, 1650-00-215-0785, 5905-00-428-8042 and 4 more. Verify interchangeability with system specifications before substitution.
Key specifications for B107.21: Specification/standard Data: 05047-ASME B107.21 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD; Drive Surface Size: 0.375 INCHES NOMINAL SINGLE END IN; Wrenching Surface Shape: OVAL SINGLE END INTERNAL; Drive End Shape: SQUARE SINGLE END INTERNAL. 11 total characteristics are documented in the Federal Logistics Information System.