The Tap,thread Cutting, cataloged under National Stock Number 5136-00-229-9275, 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 16 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5136-00-229-9275 |
| Primary Part Number | 2-21 |
| Item Name | Tap,thread Cutting |
| FSC / FSG | 5136 / 51 — No Item Name Available |
| Manufacturer | Stanley Engineered Fastening Llc |
| Status | CANCELLED |
| Thread Length | 2.219 INCHES NOMINAL IN |
| Material | STEEL OVERALL |
| Starting Chamfer Type | PLUG |
| Width Across Flats | 0.489 INCHES NOMINAL IN |
| Style Designator | STRAIGHT FLUTE |
| Nondefinitive Spec/std Data | 1 TYPE AND 4 CLASS |
| Thread Size and Series/type Designator | 18.0 MM STI MM |
| Thread Structure | REGULAR |
| Length | 0.688 INCHES NOMINAL SQUARE END IN |
| Thread Pitch in Millimeters | 1.55 |
| Departure From Cited Designator | AS MODIFIED BY THREAD LENGTH AND WIDTH ACROSS FLATS |
| Flute Quantity | 4 |
| Thread Forming Method | GROUND |
| Shank Diameter | 0.625 INCHES NOMINAL IN |
| Thread Pitch Diameters | +0.7528 TO 0.7533 INCHES IN |
| Thread Direction | RIGHT-HAND |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| MIL-T-21309 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| MIL-T-21309 TY1CL4 | General Services Administration Federal Supply Service (USA) |
| 2-21 PRIMARY | Stanley Engineered Fastening Llc (USA) |
NSN 5136-00-229-9275 is a Tap,thread Cutting, manufactured by Stanley Engineered Fastening Llc, classified under FSC 5136 (No Item Name Available). Status: cancelled.
NSN 5136-00-229-9275 has 3 cross-referenced part numbers: MIL-T-21309 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-T-21309 TY1CL4 (General Services Administration Federal Supply Service), 2-21 (Stanley Engineered Fastening Llc).
There is 1 known substitute for 5136-00-229-9275: 5136-00-229-9274. Verify interchangeability with system specifications before substitution.
Key specifications for 2-21: Thread Length: 2.219 INCHES NOMINAL IN; Overall Length: 6.000 INCHES NOMINAL IN; Material: STEEL OVERALL; Starting Chamfer Type: PLUG. 18 total characteristics are documented in the Federal Logistics Information System.
NSN 5136-00-229-9275 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.