The Wrench,box and Open End,combinat, cataloged under National Stock Number 5120-01-649-2721, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Society of Automotive Engineers Inc. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5120-01-649-2721 |
| Primary Part Number | AS955 |
| Item Name | Wrench,box and Open End,combinat |
| FSC / FSG | 5120 / 51 — No Item Name Available |
| Manufacturer | Society of Automotive Engineers Inc |
| Status | ACTIVE |
| Wrenching Surface Shape | OVAL FIRST END INTERNAL |
| Wrenching Surface Shape | 12 POINT SECOND END INTERNAL |
| Wrenching End Offset Angle | 15.0 DEGREES NOMINAL |
| Style Designator | OFFSET |
| Material | STEEL OVERALL |
| Surface Treatment | CHROMIUM OVERALL |
| Wrenching Surface Size | 7.0 MILLIMETERS NOMINAL BOTH ENDS MM |
| Head Angle | 15.0 DEGREES NOMINAL |
| Nondefinitive Spec/std Data | 2 TYPE AND 4 CLASS AND C STYLE |
| Specification/standard Data | 0U583-SAE AS954 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| AS955 | Society of Automotive Engineers Inc (USA) |
| AS955 TY3CL1STC | General Services Administration Federal Supply Service (USA) |
| AS955 | Sae International Dba Sae International (USA) |
| AS954 TY2CL4STC | General Services Administration Federal Supply Service (USA) |
| 52-207 | Apex Tool Group, Llc Dba Nicholson (USA) |
| AS954 | Sae International Dba Sae International (USA) |
NSN 5120-01-649-2721 is a Wrench,box and Open End,combinat, manufactured by Society of Automotive Engineers Inc, classified under FSC 5120 (No Item Name Available). Status: active.
NSN 5120-01-649-2721 has 6 cross-referenced part numbers: AS955 (Society of Automotive Engineers Inc), AS955 TY3CL1STC (General Services Administration Federal Supply Service), AS955 (Sae International Dba Sae International), AS954 TY2CL4STC (General Services Administration Federal Supply Service), 52-207 (Apex Tool Group, Llc Dba Nicholson) and 1 more.
There are 7 known substitutes for 5120-01-649-2721: 3455-00-232-9034, 5970-00-247-2743, 3010-00-940-8529 and 4 more. Verify interchangeability with system specifications before substitution.
Key specifications for AS955: Overall Length: 4.92 INCHES MINIMUM AND 5.71 INCHES MAXIMUM IN; Wrenching Surface Shape: OVAL FIRST END INTERNAL; Wrenching Surface Shape: 12 POINT SECOND END INTERNAL; Wrenching End Offset Angle: 15.0 DEGREES NOMINAL. 11 total characteristics are documented in the Federal Logistics Information System.