The Countersink, cataloged under National Stock Number 5133-00-255-4065, is classified within Federal Supply Class 5133 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Curtiss-Wright Controls, Inc. Div Actuation Division. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 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 | 5133-00-255-4065 |
| Primary Part Number | 805794 |
| Item Name | Countersink |
| FSC / FSG | 5133 / 51 — No Item Name Available |
| Manufacturer | Curtiss-Wright Controls, Inc. Div Actuation Division |
| Status | CANCELLED |
| Flute Quantity | 3 |
| Hardness Rating | 62.0 ROCKWELL C MINIMUM AND 65.0 ROCKWELL C MAXIMUM |
| Shank Style | STRAIGHT ROUND |
| Shank Diameter | 0.500 INCHES NOMINAL IN |
| Cutting Rotation Direction | RIGHT-HAND |
| Body Diameter | 0.625 INCHES NOMINAL IN |
| Specification/standard Data | 05047-ASME B94.2 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Included Angle | 82.0 DEGREES NOMINAL |
| Cutting End Style | STRAIGHT FLUTE POINT END |
| Material | STEEL OVERALL |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 805794 PRIMARY | Curtiss-Wright Controls, Inc. Div Actuation Division (USA) |
| 991 | Cleveland Twist Drill Co Div of Greenfield Industries Inc (USA) |
| B94.2 | The American Society of Mechanical Engineers (USA) |
| GGG-C-613 TY4CLBSZ5/8 IN. DEG82 | General Services Administration Federal Supply Service (USA) |
| GGG-C-613 | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
NSN 5133-00-255-4065 is a Countersink, manufactured by Curtiss-Wright Controls, Inc. Div Actuation Division, classified under FSC 5133 (No Item Name Available). Status: cancelled.
NSN 5133-00-255-4065 has 5 cross-referenced part numbers: 805794 (Curtiss-Wright Controls, Inc. Div Actuation Division), 991 (Cleveland Twist Drill Co Div of Greenfield Industries Inc), B94.2 (The American Society of Mechanical Engineers), GGG-C-613 TY4CLBSZ5/8 IN. DEG82 (General Services Administration Federal Supply Service), GGG-C-613 (Federal Specifications Promulgated by General Services Administration Washington DC).
There are 12 known substitutes for 5133-00-255-4065: 5120-00-056-3935, 4320-00-192-9321, 5133-00-239-0782 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 805794: Flute Quantity: 3; Hardness Rating: 62.0 ROCKWELL C MINIMUM AND 65.0 ROCKWELL C MAXIMUM; Shank Style: STRAIGHT ROUND; Shank Diameter: 0.500 INCHES NOMINAL IN. 11 total characteristics are documented in the Federal Logistics Information System.
NSN 5133-00-255-4065 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.