The Tap,thread Cutting, cataloged under National Stock Number 5136-00-370-4041, is classified within Federal Supply Class 5136 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 5 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 | 5136-00-370-4041 |
| Primary Part Number | MIL-T-21309 |
| Item Name | Tap,thread Cutting |
| FSC / FSG | 5136 / 51 — No Item Name Available |
| Manufacturer | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| Status | ACTIVE |
| Thread Pitch Diameters | +0.5509 TO 0.5514 INCHES IN |
| Width Across Flats | 0.360 INCHES NOMINAL IN |
| Flute Quantity | 4 |
| Material | STEEL OVERALL |
| Thread Size and Series/type Designator | 0.500-13 STI |
| Nondefinitive Spec/std Data | 1 TYPE AND 2 CLASS |
| Starting Chamfer Type | PLUG |
| Departure From Cited Designator | AS MODIFIED BY THREAD PITCH DIAMETERS |
| Specification/standard Data | 0U583-SAE AS59158 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Thread Forming Method | GROUND |
| Thread Structure | REGULAR |
| Length | 0.562 INCHES NOMINAL SQUARE END IN |
| Style Designator | STRAIGHT FLUTE |
| Thread Direction | RIGHT-HAND |
| Thread Length | 1.812 INCHES NOMINAL IN |
| Shank Diameter | 0.480 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| MIL-T-21309 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| AS59158 TY1CL2 | General Services Administration Federal Supply Service (USA) |
| AS59158 | Sae International Dba Sae International (USA) |
| MIL-T-21309 TY1CL2 | General Services Administration Federal Supply Service (USA) |
| AS59158 | Society of Automotive Engineers Inc (USA) |
| 8CRU | Stanley Engineered Fastening Llc (USA) |
| 1186-8 | Stanley Engineered Fastening Llc (USA) |
NSN 5136-00-370-4041 is a Tap,thread Cutting, manufactured by Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 5136 (No Item Name Available). Status: active.
NSN 5136-00-370-4041 has 7 cross-referenced part numbers: MIL-T-21309 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), AS59158 TY1CL2 (General Services Administration Federal Supply Service), AS59158 (Sae International Dba Sae International), MIL-T-21309 TY1CL2 (General Services Administration Federal Supply Service), AS59158 (Society of Automotive Engineers Inc) and 2 more.
There are 12 known substitutes for 5136-00-370-4041: 2990-00-088-9204, 5136-00-104-4147, 5136-00-104-4158 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for MIL-T-21309: Thread Pitch Diameters: +0.5509 TO 0.5514 INCHES IN; Overall Length: 3.812 INCHES NOMINAL IN; Width Across Flats: 0.360 INCHES NOMINAL IN; Flute Quantity: 4. 18 total characteristics are documented in the Federal Logistics Information System.