The Crowfoot Attachment,socket Wrenc, cataloged under National Stock Number 5120-01-335-1140, 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 7 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5120-01-335-1140 |
| 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 |
| Wrenching Surface Shape | OVAL SINGLE END INTERNAL |
| Material | STEEL OVERALL |
| Drive Surface Size | 0.375 INCHES NOMINAL SINGLE END IN |
| Style Designator | OPEN END CAMBER |
| Nondefinitive Spec/std Data | 2 TYPE AND 1 CLASS |
| Specification/standard Data | 05047-ASME B107.100 CAT 21 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Drive End Shape | SQUARE SINGLE END INTERNAL |
| Surface Treatment | CHROMIUM OVERALL |
| Wrenching Surface Size | 1.562 INCHES NOMINAL SINGLE END IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| B107.21 | The American Society of Mechanical Engineers (USA) |
| 5120PL1012282 | Jednolity Indeks Materialowy - Uniform Material Index (POL) |
| B107.100 | The American Society of Mechanical Engineers (USA) |
| FC50 | Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc (USA) |
| B107.21 TY2CL1 | General Services Administration Federal Supply Service (USA) |
| FC50A | Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc (USA) |
| B107.100 CAT 21 TY2CL1 | General Services Administration Federal Supply Service (USA) |
NSN 5120-01-335-1140 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 5120-01-335-1140 has 7 cross-referenced part numbers: B107.21 (The American Society of Mechanical Engineers), 5120PL1012282 (Jednolity Indeks Materialowy - Uniform Material Index), B107.100 (The American Society of Mechanical Engineers), FC50 (Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc), B107.21 TY2CL1 (General Services Administration Federal Supply Service) and 2 more.
There are 3 known substitutes for 5120-01-335-1140: 5950-00-110-0487, 3460-00-214-8727, 5975-00-886-1548. Verify interchangeability with system specifications before substitution.
Key specifications for B107.21: Wrenching Surface Shape: OVAL SINGLE END INTERNAL; Material: STEEL OVERALL; Special Features: WITH SIDE LOCK HOLE; Drive Surface Size: 0.375 INCHES NOMINAL SINGLE END IN. 11 total characteristics are documented in the Federal Logistics Information System.