The Countersink, cataloged under National Stock Number 5133-00-255-4077, is classified within Federal Supply Class 5133 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is The American Society of Mechanical Engineers. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5133-00-255-4077 |
| Primary Part Number | B94.2 |
| Item Name | Countersink |
| FSC / FSG | 5133 / 51 — No Item Name Available |
| Manufacturer | The American Society of Mechanical Engineers |
| Status | CANCELLED |
| Material | STEEL OVERALL |
| Hardness Rating | 62.0 ROCKWELL C MINIMUM AND 65.0 ROCKWELL C MAXIMUM |
| Cutting End Style | STRAIGHT FLUTE POINT END |
| Specification/standard Data | 05047-ASME B94.2 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Shank Style | STRAIGHT ROUND |
| Body Diameter | 1.000 INCHES NOMINAL IN |
| Flute Quantity | 3 OR 4 |
| Included Angle | 60.0 DEGREES NOMINAL |
| Shank Diameter | 0.500 INCHES NOMINAL IN |
| Cutting Rotation Direction | RIGHT-HAND |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| B94.2 | The American Society of Mechanical Engineers (USA) |
| GGG-C-613 TY4CLBSZ1 | General Services Administration Federal Supply Service (USA) |
| GGG-C-613 | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
| 46251 | Cleveland Twist Drill Co Div of Greenfield Industries Inc (USA) |
NSN 5133-00-255-4077 is a Countersink, manufactured by The American Society of Mechanical Engineers, classified under FSC 5133 (No Item Name Available). Status: cancelled.
NSN 5133-00-255-4077 has 4 cross-referenced part numbers: B94.2 (The American Society of Mechanical Engineers), GGG-C-613 TY4CLBSZ1 (General Services Administration Federal Supply Service), GGG-C-613 (Federal Specifications Promulgated by General Services Administration Washington DC), 46251 (Cleveland Twist Drill Co Div of Greenfield Industries Inc).
There are 3 known substitutes for 5133-00-255-4077: 5965-00-170-4793, 5930-01-373-9404, 4820-01-627-9620. Verify interchangeability with system specifications before substitution.
Key specifications for B94.2: Material: STEEL OVERALL; Hardness Rating: 62.0 ROCKWELL C MINIMUM AND 65.0 ROCKWELL C MAXIMUM; Cutting End Style: STRAIGHT FLUTE POINT END; Specification/standard Data: 05047-ASME B94.2 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD. 11 total characteristics are documented in the Federal Logistics Information System.
NSN 5133-00-255-4077 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.