The Tap,thread Cutting, cataloged under National Stock Number 5136-00-104-4147, 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 | 5136-00-104-4147 |
| Primary Part Number | 4CRU |
| Item Name | Tap,thread Cutting |
| FSC / FSG | 5136 / 51 — No Item Name Available |
| Manufacturer | Stanley Engineered Fastening Llc |
| Status | ACTIVE |
| Thread Pitch Diameters | +0.2830 TO 0.2835 INCHES IN |
| Thread Size and Series/type Designator | 0.250-20 STI |
| Thread Structure | REGULAR |
| Length | 0.344 INCHES MINIMUM AND 0.406 INCHES MAXIMUM SQUARE END IN |
| Style Designator | SPIRAL POINTED FLUTE |
| Nondefinitive Spec/std Data | 1 TYPE AND 2 CLASS |
| Starting Chamfer Type | PLUG |
| Width Across Flats | 0.234 INCHES MINIMUM AND 0.238 INCHES MAXIMUM IN |
| Material | STEEL OVERALL |
| Shank Diameter | 0.3165 INCHES MINIMUM AND 0.3180 INCHES MAXIMUM IN |
| Thread Length | 1.062 INCHES MINIMUM AND 1.188 INCHES MAXIMUM IN |
| Flute Quantity | 3 |
| Criticality Code Justification | AAZE |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 4CRU | Stanley Engineered Fastening Llc (USA) |
| 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 |
NSN 5136-00-104-4147 is a Tap,thread Cutting, manufactured by Stanley Engineered Fastening Llc, classified under FSC 5136 (No Item Name Available). Status: active.
NSN 5136-00-104-4147 has 3 cross-referenced part numbers: 4CRU (Stanley Engineered Fastening Llc), 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).
There are 12 known substitutes for 5136-00-104-4147: 5136-00-104-4158, 5136-00-104-4159, 5136-00-134-7542 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 4CRU: Thread Pitch Diameters: +0.2830 TO 0.2835 INCHES IN; Thread Size and Series/type Designator: 0.250-20 STI; Thread Structure: REGULAR; Length: 0.344 INCHES MINIMUM AND 0.406 INCHES MAXIMUM SQUARE END IN. 15 total characteristics are documented in the Federal Logistics Information System.