The Tap,thread Cutting, cataloged under National Stock Number 5136-00-228-1060, is classified within Federal Supply Class 5136 (Taps, Dies, and Collets; Hand and Machine) of the Hand Tools group. The manufacturer of record is Greenfield Industries Inc. Government technical data includes 14 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 9 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5136-00-228-1060 |
| Primary Part Number | 26834 |
| Item Name | Tap,thread Cutting |
| FSC / FSG | 5136 / 51 — Taps, Dies, and Collets; Hand and Machine |
| Manufacturer | Greenfield Industries Inc |
| Status | ACTIVE |
| Shank Diameter | 1.891 INCHES MINIMUM AND 1.894 INCHES MAXIMUM IN |
| Width Across Flats | 1.410 INCHES MINIMUM AND 1.420 INCHES MAXIMUM IN |
| Length | 1.376 INCHES MINIMUM AND 1.500 INCHES MAXIMUM SQUARE END IN |
| Thread Structure | REGULAR |
| Thread Length | 3.437 INCHES MINIMUM AND 3.687 INCHES MAXIMUM IN |
| Style Designator | STRAIGHT FLUTE |
| Thread Pitch Diameters | +2.1072 TO 2.1092 INCHES IN |
| Thread Direction | RIGHT-HAND |
| Specification/standard Data | 05047-ASME B94.9 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Flute Quantity | 6 |
| Material | STEEL OVERALL |
| Thread Size and Series/type Designator | 2.250-4-1/2 UNIFIED NATIONAL COARSE (UNC) |
| Starting Chamfer Type | BOTTOMING |
| 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 |
|---|---|
| 26834 PRIMARY | Greenfield Industries Inc (USA) |
| 5303 2-1/4 - 4-1/2 | Greenfield Industries Inc (USA) |
| Reference | Meaning |
|---|---|
| 5303 2-1/4 - 4-1/2 | 5/9 Secondary reference Greenfield Industries Inc |
| GGG-T-70 TY1SEASTC | 5/9 Secondary reference U.S. Government activity |
| 26834 | 5/9 Secondary reference Greenfield Industries Inc |
| 14695 | 5/9 Secondary reference Greenfield Industries Inc |
| 26834 | 5/9 Secondary reference Kennametal Inc. Div Kennametal Industrial Products Group |
| A-A-625 | 5/9 Secondary reference Federal Commercial Item Description Promulgated by General Services Administration Washington DC |
| 5303 2-1/4 - 4-1/2 | 5/9 Secondary reference Kennametal Inc. Div Kennametal Industrial Products Group |
| GGG-T-70 | 5/9 Secondary reference U.S. Government activity |
| B94.9 | 3/1 Design control — primary reference The American Society of Mechanical Engineers |
NSN 5136-00-228-1060 is a Tap,thread Cutting, manufactured by Greenfield Industries Inc, classified under FSC 5136, Taps, Dies, and Collets; Hand and Machine. Status: active.
NSN 5136-00-228-1060 has 2 manufacturer part numbers on file: 26834 (Greenfield Industries Inc), 5303 2-1/4 - 4-1/2 (Greenfield Industries Inc).
1 possible match (shared part number, not a government interchangeability claim): 5935-00-628-8744. Verify interchangeability with system specifications before substitution.
Key specifications for 26834: Shank Diameter: 1.891 INCHES MINIMUM AND 1.894 INCHES MAXIMUM IN; Width Across Flats: 1.410 INCHES MINIMUM AND 1.420 INCHES MAXIMUM IN; Length: 1.376 INCHES MINIMUM AND 1.500 INCHES MAXIMUM 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.