The Crowfoot Attachment,socket Wrenc, cataloged under National Stock Number 5120-00-535-1641, 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 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 10 commercial cross-references from 8 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5120-00-535-1641 |
| 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 | CANCELLED |
| Drive End Shape | SQUARE SINGLE END INTERNAL |
| Specification/standard Data | 05047-ASME B107.100/B107.21 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Material | STEEL OVERALL |
| Wrenching Surface Size | 0.812 INCHES NOMINAL SINGLE END IN |
| Surface Treatment | CHROMIUM OVERALL |
| Wrenching Surface Shape | OVAL SINGLE END INTERNAL |
| Style Designator | OPEN END |
| Drive Surface Size | 0.375 INCHES NOMINAL SINGLE END IN |
| Nondefinitive Spec/std Data | 2 TYPE AND 2 CLASS |
| Head Thickness | 0.359 INCHES NOMINAL IN |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| B107.21 | The American Society of Mechanical Engineers (USA) |
| STP 4926CF | Kipper Tool Company Dba Kipper Management Inc (USA) |
| B107.21 TY2CL2 | General Services Administration Federal Supply Service (USA) |
| 4926 | Ingersoll-Rand Co Proto Tool Div Tool Group Headquarters (USA) |
| 4926 | Stanley-Proto Industrial Works Div of the Stanley Works (USA) |
| B107.100 | The American Society of Mechanical Engineers (USA) |
| J4926CF | Henchman Group Pty Ltd the Trustee for Henchman Unit Trust (AUS) |
| J4926CF | The Stanley Works Dba Stanley Proto (USA) |
| J4926 | The Stanley Works Dba Stanley Proto (USA) |
| J4926CF | Henchman Products Pty Ltd (AUS) |
NSN 5120-00-535-1641 is a Crowfoot Attachment,socket Wrenc, manufactured by The American Society of Mechanical Engineers, classified under FSC 5120 (No Item Name Available). Status: cancelled.
NSN 5120-00-535-1641 has 10 cross-referenced part numbers: B107.21 (The American Society of Mechanical Engineers), STP 4926CF (Kipper Tool Company Dba Kipper Management Inc), B107.21 TY2CL2 (General Services Administration Federal Supply Service), 4926 (Ingersoll-Rand Co Proto Tool Div Tool Group Headquarters), 4926 (Stanley-Proto Industrial Works Div of the Stanley Works) and 5 more.
There are 12 known substitutes for 5120-00-535-1641: 5120-00-181-6784, 5120-00-236-2261, 5930-00-258-4767 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for B107.21: Overall Length: 1.656 INCHES NOMINAL IN; Drive End Shape: SQUARE SINGLE END INTERNAL; Specification/standard Data: 05047-ASME B107.100/B107.21 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD; Material: STEEL OVERALL. 12 total characteristics are documented in the Federal Logistics Information System.
NSN 5120-00-535-1641 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.