The Tap,thread Cutting, cataloged under National Stock Number 5136-00-134-7542, is classified within Federal Supply Class 5136 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Stanley Engineered Fastening Llc. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5136-00-134-7542 |
| Primary Part Number | 6CRU |
| Item Name | Tap,thread Cutting |
| FSC / FSG | 5136 / 51 — No Item Name Available |
| Manufacturer | Stanley Engineered Fastening Llc |
| Status | ACTIVE |
| Thread Pitch Diameters | +0.3940 TO 0.3950 INCHES IN |
| Starting Chamfer Type | PLUG |
| Thread Length | 1.656 INCHES NOMINAL IN |
| Flute Quantity | 4 |
| Thread Size and Series/type Designator | 0.375-16 STI |
| Shank Diameter | 0.367 INCHES MAXIMUM IN |
| Material | STEEL OVERALL |
| Nondefinitive Spec/std Data | 1 TYPE AND 2 CLASS |
| Length | 0.438 INCHES NOMINAL SQUARE END IN |
| Style Designator | STRAIGHT FLUTE |
| Width Across Flats | 0.275 INCHES NOMINAL IN |
| Departure From Cited Designator | AS MOD BY PITCH DIA |
| Thread Structure | REGULAR |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| MIL-T-21309 TY1CL2 | 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 |
| 6CRU PRIMARY | Stanley Engineered Fastening Llc (USA) |
NSN 5136-00-134-7542 is a Tap,thread Cutting, manufactured by Stanley Engineered Fastening Llc, classified under FSC 5136 (No Item Name Available). Status: active.
NSN 5136-00-134-7542 has 3 cross-referenced part numbers: MIL-T-21309 TY1CL2 (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), 6CRU (Stanley Engineered Fastening Llc).
There are 12 known substitutes for 5136-00-134-7542: 5136-00-104-4147, 5136-00-104-4158, 5136-00-104-4159 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 6CRU: Thread Pitch Diameters: +0.3940 TO 0.3950 INCHES IN; Starting Chamfer Type: PLUG; Thread Length: 1.656 INCHES NOMINAL IN; Flute Quantity: 4. 15 total characteristics are documented in the Federal Logistics Information System.