The Tap,thread Cutting, cataloged under National Stock Number 5136-00-987-9086, is classified within Federal Supply Class 5136 (Taps, Dies, and Collets; Hand and Machine) of the Hand Tools group. The manufacturer of record is Stanley Engineered Fastening Llc. Government technical data includes 14 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5136-00-987-9086 |
| Primary Part Number | 16CRU |
| Item Name | Tap,thread Cutting |
| FSC / FSG | 5136 / 51 — Taps, Dies, and Collets; Hand and Machine |
| Manufacturer | Stanley Engineered Fastening Llc |
| Status | ACTIVE |
| Shank Diameter | 0.766 INCHES NOMINAL IN |
| Width Across Flats | 5.750 INCHES NOMINAL IN |
| Length | 1.000 INCHES NOMINAL SQUARE END IN |
| Thread Structure | REGULAR |
| Thread Length | 2.560 INCHES NOMINAL IN |
| Style Designator | STRAIGHT FLUTE |
| Thread Pitch Diameters | +1.0822 TO 1.0832 INCHES IN |
| Thread Direction | RIGHT-HAND |
| Nondefinitive Spec/std Data | 1 TYPE AND 2 CLASS |
| Flute Quantity | 4 |
| Material | STEEL OVERALL |
| Thread Size and Series/type Designator | 1.000-8 STI |
| Starting Chamfer Type | PLUG |
| Thread Forming Method | GROUND |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 16CRU | Stanley Engineered Fastening Llc (USA) |
| Reference | Meaning |
|---|---|
| A-A-59158 TY1CL2 | 5/1 Secondary reference U.S. Government activity |
| MIL-T-21309 | 5/9 Secondary reference U.S. Government activity |
| A-A-59158 | 4/1 Identification reference Federal Commercial Item Description Promulgated by General Services Administration Washington DC |
| MIL-T-21309 TY1CL2 | 5/9 Secondary reference U.S. Government activity |
NSN 5136-00-987-9086 is a Tap,thread Cutting, manufactured by Stanley Engineered Fastening Llc, classified under FSC 5136, Taps, Dies, and Collets; Hand and Machine. Status: active.
NSN 5136-00-987-9086 has 1 manufacturer part number on file: 16CRU (Stanley Engineered Fastening Llc).
Key specifications for 16CRU: Shank Diameter: 0.766 INCHES NOMINAL IN; Width Across Flats: 5.750 INCHES NOMINAL IN; Length: 1.000 INCHES NOMINAL SQUARE END IN; Thread Structure: REGULAR. 14 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.