The Tap,thread Cutting, cataloged under National Stock Number 5136-00-370-4040, 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 15 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 | 5136-00-370-4040 |
| Primary Part Number | 7CRU |
| Item Name | Tap,thread Cutting |
| FSC / FSG | 5136 / 51 — No Item Name Available |
| Manufacturer | Stanley Engineered Fastening Llc |
| Status | ACTIVE |
| Shank Diameter | 0.429 INCHES MAXIMUM IN |
| Flute Quantity | 4 |
| Width Across Flats | 0.322 INCHES NOMINAL IN |
| Length | 0.500 INCHES NOMINAL SQUARE END IN |
| Thread Forming Method | GROUND |
| Thread Size and Series/type Designator | 0.438-14 STI |
| Starting Chamfer Type | PLUG |
| Departure From Cited Designator | AS MOD BY PITCH DIA |
| Thread Structure | REGULAR |
| Style Designator | STRAIGHT FLUTE |
| Material | STEEL OVERALL |
| Nondefinitive Spec/std Data | 1 TYPE AND 2 CLASS |
| Thread Pitch Diameters | +0.4590 TO 0.4600 INCHES IN |
| Thread Direction | RIGHT-HAND |
| Thread Length | 1.656 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| MIL-T-21309 TY1CL2 | General Services Administration Federal Supply Service (USA) |
| 7CRU PRIMARY | Stanley Engineered Fastening Llc (USA) |
| MIL-T-21309 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
NSN 5136-00-370-4040 is a Tap,thread Cutting, manufactured by Stanley Engineered Fastening Llc, classified under FSC 5136 (No Item Name Available). Status: active.
NSN 5136-00-370-4040 has 3 cross-referenced part numbers: MIL-T-21309 TY1CL2 (General Services Administration Federal Supply Service), 7CRU (Stanley Engineered Fastening Llc), 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 5136-00-370-4040: 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 7CRU: Shank Diameter: 0.429 INCHES MAXIMUM IN; Overall Length: 3.594 INCHES NOMINAL IN; Flute Quantity: 4; Width Across Flats: 0.322 INCHES NOMINAL IN. 17 total characteristics are documented in the Federal Logistics Information System.