The Tang Breakoff Tool,screw Thread, cataloged under National Stock Number 5120-00-935-4540, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Stanley Engineered Fastening Llc. Government technical data includes 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 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 | 5120-00-935-4540 |
| Primary Part Number | 4156-04 |
| Item Name | Tang Breakoff Tool,screw Thread |
| FSC / FSG | 5120 / 51 — No Item Name Available |
| Manufacturer | Stanley Engineered Fastening Llc |
| Status | ACTIVE |
| Nondefinitive Spec/std Data | 4 TYPE AND 2 CLASS |
| Unit Type | SOLID PUNCH |
| Thread Size and Series/type Designator | 4-40 UNIFIED NATIONAL COARSE (UNC) AND 4-48 UNF |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| MIL-T-21309 TY4CL2 | General Services Administration Federal Supply Service (USA) |
| MIL-T-21309 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| A-A-59158 | Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA) |
| 4156-04 PRIMARY | Stanley Engineered Fastening Llc (USA) |
| A-A-59158 TY4CL2 | General Services Administration Federal Supply Service (USA) |
NSN 5120-00-935-4540 is a Tang Breakoff Tool,screw Thread, manufactured by Stanley Engineered Fastening Llc, classified under FSC 5120 (No Item Name Available). Status: active.
NSN 5120-00-935-4540 has 5 cross-referenced part numbers: MIL-T-21309 TY4CL2 (General Services Administration Federal Supply Service), MIL-T-21309 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), A-A-59158 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), 4156-04 (Stanley Engineered Fastening Llc), A-A-59158 TY4CL2 (General Services Administration Federal Supply Service).
There are 11 known substitutes for 5120-00-935-4540: 5120-00-370-4025, 5120-00-544-9174, 5120-00-711-7475 and 8 more. Verify interchangeability with system specifications before substitution.
Key specifications for 4156-04: Nondefinitive Spec/std Data: 4 TYPE AND 2 CLASS; Unit Type: SOLID PUNCH; Thread Size and Series/type Designator: 4-40 UNIFIED NATIONAL COARSE (UNC) AND 4-48 UNF. 3 total characteristics are documented in the Federal Logistics Information System.