The Crowfoot Attachment,socket Wrenc, cataloged under National Stock Number 5120-00-181-6754, 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 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 11 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 | 5120-00-181-6754 |
| Primary Part Number | B107.21 TY1CL3STA |
| Item Name | Crowfoot Attachment,socket Wrenc |
| FSC / FSG | 5120 / 51 — No Item Name Available |
| Manufacturer | General Services Administration Federal Supply Service |
| Status | CANCELLED |
| Drive Surface Size | 0.500 INCHES NOMINAL SINGLE END IN |
| Surface Treatment | NICKEL AND CHROMIUM OVERALL |
| Nondefinitive Spec/std Data | 1 TYPE AND 1 CLASS AND C STYLE AND A DESIGN |
| Specification/standard Data | 0U583-SAE AS4167 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Material | STEEL OVERALL |
| Wrenching Surface Shape | 12 POINT SINGLE END INTERNAL |
| Wrenching Surface Size | 1.688 INCHES NOMINAL SINGLE END IN |
| Opening Width | 1.297 INCHES MINIMUM AND 1.343 INCHES MAXIMUM IN |
| Head Thickness | 1.000 INCHES MINIMUM AND 1.062 INCHES MAXIMUM IN |
| Drive End Shape | SQUARE SINGLE END INTERNAL |
| Style Designator | FLARE NUT |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| B107.21 TY1CL3STA | General Services Administration Federal Supply Service (USA) |
| B107.21 | The American Society of Mechanical Engineers (USA) |
| AN850827B | Snap on Tools (AUS) |
| AN850827B | Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc (USA) |
| AS4167 | Sae International Dba Sae International (USA) |
| AS4167 | Society of Automotive Engineers Inc (USA) |
| GGG-C-1507 | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
| B107.21 TY1CL1 | General Services Administration Federal Supply Service (USA) |
| GGG-C-1507 TY1CL3 | General Services Administration Federal Supply Service (USA) |
| AS4167 TY1CL1STCDEA | General Services Administration Federal Supply Service (USA) |
| AN8508-27A | Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc (USA) |
NSN 5120-00-181-6754 is a Crowfoot Attachment,socket Wrenc, manufactured by General Services Administration Federal Supply Service, classified under FSC 5120 (No Item Name Available). Status: cancelled.
NSN 5120-00-181-6754 has 11 cross-referenced part numbers: B107.21 TY1CL3STA (General Services Administration Federal Supply Service), B107.21 (The American Society of Mechanical Engineers), AN850827B (Snap on Tools), AN850827B (Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc), AS4167 (Sae International Dba Sae International) and 6 more.
There are 12 known substitutes for 5120-00-181-6754: 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 TY1CL3STA: Drive Surface Size: 0.500 INCHES NOMINAL SINGLE END IN; Surface Treatment: NICKEL AND CHROMIUM OVERALL; Nondefinitive Spec/std Data: 1 TYPE AND 1 CLASS AND C STYLE AND A DESIGN; Specification/standard Data: 0U583-SAE AS4167 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD. 13 total characteristics are documented in the Federal Logistics Information System.
NSN 5120-00-181-6754 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.