The Tap,thread Cutting, cataloged under National Stock Number 5136-00-935-4537, 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 9 commercial cross-references from 7 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 | 5136-00-935-4537 |
| Primary Part Number | 3993-6 |
| Item Name | Tap,thread Cutting |
| FSC / FSG | 5136 / 51 — No Item Name Available |
| Manufacturer | Stanley Engineered Fastening Llc |
| Status | ACTIVE |
| Shank Diameter | 0.323 INCHES NOMINAL IN |
| Flute Quantity | 4 |
| Nondefinitive Spec/std Data | 1 TYPE AND 3 CLASS |
| Thread Size and Series/type Designator | 0.375-24 STI |
| Width Across Flats | 0.275 INCHES NOMINAL IN |
| Material | STEEL OVERALL |
| Length | 0.406 INCHES NOMINAL SQUARE END IN |
| Specification/standard Data | 0U583-SAE AS59158 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Thread Structure | REGULAR |
| Style Designator | STRAIGHT FLUTE |
| Thread Forming Method | GROUND |
| Starting Chamfer Type | BOTTOMING |
| Thread Length | 1.656 INCHES NOMINAL IN |
| Thread Pitch Diameters | +0.4566 TO 0.4571 INCHES IN |
| Thread Direction | RIGHT-HAND |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 3993-6 | Stanley Engineered Fastening Llc (USA) |
| AS59158 | Society of Automotive Engineers Inc (USA) |
| MIL-T-21309 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| MIL-T-21309 TY1CL3 | General Services Administration Federal Supply Service (USA) |
| A-A-59158 TY1CL3 | General Services Administration Federal Supply Service (USA) |
| A-A-59158 | Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA) |
| AS59158 TY1CL3 | General Services Administration Federal Supply Service (USA) |
| AS59158 | Sae International Dba Sae International (USA) |
| 3993-6 | The Olander Company, Inc. (USA) |
NSN 5136-00-935-4537 is a Tap,thread Cutting, manufactured by Stanley Engineered Fastening Llc, classified under FSC 5136 (No Item Name Available). Status: active.
NSN 5136-00-935-4537 has 9 cross-referenced part numbers: 3993-6 (Stanley Engineered Fastening Llc), AS59158 (Society of Automotive Engineers Inc), MIL-T-21309 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-T-21309 TY1CL3 (General Services Administration Federal Supply Service), A-A-59158 TY1CL3 (General Services Administration Federal Supply Service) and 4 more.
There are 12 known substitutes for 5136-00-935-4537: 5136-00-779-4469, 5136-00-838-0284, 5136-00-902-7893 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 3993-6: Shank Diameter: 0.323 INCHES NOMINAL IN; Flute Quantity: 4; Special Features: FINISHING TAP FOR SCREW THREAD INSERT; Overall Length: 3.375 INCHES NOMINAL IN. 17 total characteristics are documented in the Federal Logistics Information System.