The Tap,thread Cutting, cataloged under National Stock Number 5136-00-972-0399, 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 8 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5136-00-972-0399 |
| Primary Part Number | 7FBB |
| Item Name | Tap,thread Cutting |
| FSC / FSG | 5136 / 51 — No Item Name Available |
| Manufacturer | Stanley Engineered Fastening Llc |
| Status | ACTIVE |
| Thread Direction | RIGHT-HAND |
| Thread Pitch Diameters | +0.4710 TO 0.4715 INCHES IN |
| Shank Diameter | 0.367 INCHES MAXIMUM IN |
| Flute Quantity | 4 |
| Width Across Flats | 0.275 INCHES MAXIMUM IN |
| Thread Structure | REGULAR |
| Thread Forming Method | GROUND |
| Nondefinitive Spec/std Data | 1 TYPE AND 3 CLASS |
| Material | STEEL OVERALL |
| Specification/standard Data | 0U583-SAE AS59158 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Length | 0.438 INCHES NOMINAL SQUARE END IN |
| Style Designator | STRAIGHT FLUTE |
| Thread Size and Series/type Designator | 0.438-20 STI |
| Starting Chamfer Type | BOTTOMING |
| Thread Length | 1.656 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 7FBB | Stanley Engineered Fastening Llc (USA) |
| AS59158 TY1CL3 | General Services Administration Federal Supply Service (USA) |
| 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) |
| MIL-T-21309 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| AS59158 | Sae International Dba Sae International (USA) |
| AS59158 | Society of Automotive Engineers Inc (USA) |
NSN 5136-00-972-0399 is a Tap,thread Cutting, manufactured by Stanley Engineered Fastening Llc, classified under FSC 5136 (No Item Name Available). Status: active.
NSN 5136-00-972-0399 has 8 cross-referenced part numbers: 7FBB (Stanley Engineered Fastening Llc), AS59158 TY1CL3 (General Services Administration Federal Supply Service), MIL-T-21309 TY1CL3 (General Services Administration Federal Supply Service), A-A-59158 TY1CL3 (General Services Administration Federal Supply Service), A-A-59158 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC) and 3 more.
There are 11 known substitutes for 5136-00-972-0399: 5136-00-779-4469, 5136-00-838-0284, 5136-00-902-7893 and 8 more. Verify interchangeability with system specifications before substitution.
Key specifications for 7FBB: Thread Direction: RIGHT-HAND; Thread Pitch Diameters: +0.4710 TO 0.4715 INCHES IN; Shank Diameter: 0.367 INCHES MAXIMUM IN; Special Features: FINISHING TAP FOR SCREW THREAD INSERT. 17 total characteristics are documented in the Federal Logistics Information System.