The Countersink, cataloged under National Stock Number 5133-00-239-0782, is classified within Federal Supply Class 5133 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Kennametal Inc. Div Kennametal Industrial Products Group. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5133-00-239-0782 |
| Primary Part Number | 991 |
| Item Name | Countersink |
| FSC / FSG | 5133 / 51 — No Item Name Available |
| Manufacturer | Kennametal Inc. Div Kennametal Industrial Products Group |
| Status | CANCELLED |
| Shank Style | STRAIGHT ROUND |
| Cutting End Style | STRAIGHT FLUTE POINT END |
| Cutting Rotation Direction | RIGHT-HAND |
| Included Angle | 60.0 DEGREES NOMINAL |
| Body Diameter | 0.750 INCHES NOMINAL IN |
| Hardness Rating | 40.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM |
| Flute Quantity | 3 OR 4 |
| Specification/standard Data | 05047-ASME B94.2 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Material | STEEL OVERALL |
| Shank Diameter | 0.500 INCHES NOMINAL IN |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 991 | Kennametal Inc. Div Kennametal Industrial Products Group (USA) |
| 46247 | Cleveland Twist Drill Co Div of Greenfield Industries Inc (USA) |
| 991 | Cleveland Twist Drill Co Div of Greenfield Industries Inc (USA) |
| GGG-C-613 | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
| 46247 | Kennametal Inc. Div Kennametal Industrial Products Group (USA) |
| GGG-C-613 TY4CLBSZ3/4 | General Services Administration Federal Supply Service (USA) |
| B94.2 | The American Society of Mechanical Engineers (USA) |
NSN 5133-00-239-0782 is a Countersink, manufactured by Kennametal Inc. Div Kennametal Industrial Products Group, classified under FSC 5133 (No Item Name Available). Status: cancelled.
NSN 5133-00-239-0782 has 7 cross-referenced part numbers: 991 (Kennametal Inc. Div Kennametal Industrial Products Group), 46247 (Cleveland Twist Drill Co Div of Greenfield Industries Inc), 991 (Cleveland Twist Drill Co Div of Greenfield Industries Inc), GGG-C-613 (Federal Specifications Promulgated by General Services Administration Washington DC), 46247 (Kennametal Inc. Div Kennametal Industrial Products Group) and 2 more.
There are 12 known substitutes for 5133-00-239-0782: 5120-00-056-3935, 4320-00-192-9321, 5940-00-245-5930 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 991: Shank Style: STRAIGHT ROUND; Cutting End Style: STRAIGHT FLUTE POINT END; Cutting Rotation Direction: RIGHT-HAND; Included Angle: 60.0 DEGREES NOMINAL. 11 total characteristics are documented in the Federal Logistics Information System.
NSN 5133-00-239-0782 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.