The Crowfoot Attachment,socket Wrenc, cataloged under National Stock Number 5120-01-355-1690, 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 9 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. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5120-01-355-1690 |
| Primary Part Number | B107.100 CAT 21 TY1CL1 |
| Item Name | Crowfoot Attachment,socket Wrenc |
| FSC / FSG | 5120 / 51 — No Item Name Available |
| Manufacturer | General Services Administration Federal Supply Service |
| Status | ACTIVE |
| Surface Treatment | CHROMIUM OVERALL |
| Nondefinitive Spec/std Data | 1 TYPE AND 1 CLASS |
| Wrenching Surface Shape | 6 POINT SINGLE END INTERNAL |
| Style Designator | FLARE NUT |
| Drive End Shape | SQUARE SINGLE END INTERNAL |
| Specification/standard Data | 05047-ASME B107.100 CAT 21 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Wrenching Surface Size | 19.0 MILLIMETERS NOMINAL SINGLE END MM |
| Drive Surface Size | 0.375 INCHES NOMINAL SINGLE END IN |
| Material | STEEL OVERALL |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| B107.100 CAT 21 TY1CL1 | General Services Administration Federal Supply Service (USA) |
| B107.21 | The American Society of Mechanical Engineers (USA) |
| FRHM19 | Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc (USA) |
| B107.21 TY1CL1 | General Services Administration Federal Supply Service (USA) |
| B107.100 | The American Society of Mechanical Engineers (USA) |
NSN 5120-01-355-1690 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 5120-01-355-1690 has 5 cross-referenced part numbers: B107.100 CAT 21 TY1CL1 (General Services Administration Federal Supply Service), B107.21 (The American Society of Mechanical Engineers), FRHM19 (Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc), B107.21 TY1CL1 (General Services Administration Federal Supply Service), B107.100 (The American Society of Mechanical Engineers).
There are 11 known substitutes for 5120-01-355-1690: 5120-01-007-8286, 5120-01-335-1133, 5120-01-335-1157 and 8 more. Verify interchangeability with system specifications before substitution.
Key specifications for B107.100 CAT 21 TY1CL1: Surface Treatment: CHROMIUM OVERALL; Nondefinitive Spec/std Data: 1 TYPE AND 1 CLASS; Wrenching Surface Shape: 6 POINT SINGLE END INTERNAL; Style Designator: FLARE NUT. 10 total characteristics are documented in the Federal Logistics Information System.