The Crowfoot Attachment,socket Wrenc, cataloged under National Stock Number 5120-00-181-6758, 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 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 12 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: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5120-00-181-6758 |
| 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 |
| Head Thickness | 0.938 INCHES NOMINAL IN |
| Nondefinitive Spec/std Data | 1 TYPE AND 1 CLASS AND C STYLE AND A DESIGN |
| Material | STEEL OVERALL |
| Style Designator | FLARE NUT |
| Wrenching Surface Size | 1.438 INCHES NOMINAL SINGLE END IN |
| Surface Treatment | CHROMIUM OVERALL |
| Wrenching Surface Shape | 12 POINT SINGLE END INTERNAL |
| Drive Surface Size | 0.500 INCHES NOMINAL SINGLE END IN |
| Drive End Shape | SQUARE SINGLE END INTERNAL |
| Opening Width | 1.062 INCHES NOMINAL IN |
| Specification/standard Data | 0U583-SAE AS4167 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| B107.21 | The American Society of Mechanical Engineers (USA) |
| GGG-C-1507 | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
| AN850823B | Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc (USA) |
| AN8508-23A | Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc (USA) |
| AN8508-23 | Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc (USA) |
| GGG-C-1507 TY1CL3 | General Services Administration Federal Supply Service (USA) |
| AS4167 TY1CL1STCDEA | General Services Administration Federal Supply Service (USA) |
| AS4167 | Sae International Dba Sae International (USA) |
| B107.21 TY1CL1 | General Services Administration Federal Supply Service (USA) |
| B107.21 TY1CL3STA | General Services Administration Federal Supply Service (USA) |
| AS4167 | Society of Automotive Engineers Inc (USA) |
| AN850823B | Snap on Tools (AUS) |
NSN 5120-00-181-6758 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 5120-00-181-6758 has 12 cross-referenced part numbers: B107.21 (The American Society of Mechanical Engineers), GGG-C-1507 (Federal Specifications Promulgated by General Services Administration Washington DC), AN850823B (Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc), AN8508-23A (Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc), AN8508-23 (Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc) and 7 more.
There are 12 known substitutes for 5120-00-181-6758: 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: Overall Width: 2.060 INCHES MAXIMUM IN; Head Thickness: 0.938 INCHES NOMINAL IN; Nondefinitive Spec/std Data: 1 TYPE AND 1 CLASS AND C STYLE AND A DESIGN; Material: STEEL OVERALL. 13 total characteristics are documented in the Federal Logistics Information System.
NSN 5120-00-181-6758 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.