The Counterbore,machine, cataloged under National Stock Number 5133-01-050-6044, 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 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5133-01-050-6044 |
| Primary Part Number | 879 |
| Item Name | Counterbore,machine |
| FSC / FSG | 5133 / 51 — No Item Name Available |
| Manufacturer | Kennametal Inc. Div Kennametal Industrial Products Group |
| Status | ACTIVE |
| Features Provided | INTEGRAL PILOT |
| Material | STEEL OVERALL |
| Flute Quantity | 3 |
| Nominal Cutting Diameter | 0.5000 INCHES IN |
| Pilot Diameter | 0.250 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN |
| Shank Diameter | 0.438 INCHES NOMINAL IN |
| Shank Style | STRAIGHT ROUND |
| Hardness Rating | 40.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM |
| Cutting End Style | INTERCHANGEABLE PILOT |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 879 | Kennametal Inc. Div Kennametal Industrial Products Group (USA) |
| EDP50708 | Lear Siegler Inc National Twist Drill and Tool Div (USA) |
| 50708 | Lear Siegler Inc National Twist Drill and Tool Div (USA) |
| 3230 | Lear Siegler Inc National Twist Drill and Tool Div (USA) |
| C3000-0500 | Kennametal Inc. Div Kennametal Industrial Products Group (USA) |
| 879 | Cleveland Twist Drill Co Div of Greenfield Industries Inc (USA) |
| 3000-0500 | Cleveland Twist Drill Co Div of Greenfield Industries Inc (USA) |
NSN 5133-01-050-6044 is a Counterbore,machine, manufactured by Kennametal Inc. Div Kennametal Industrial Products Group, classified under FSC 5133 (No Item Name Available). Status: active.
NSN 5133-01-050-6044 has 7 cross-referenced part numbers: 879 (Kennametal Inc. Div Kennametal Industrial Products Group), EDP50708 (Lear Siegler Inc National Twist Drill and Tool Div), 50708 (Lear Siegler Inc National Twist Drill and Tool Div), 3230 (Lear Siegler Inc National Twist Drill and Tool Div), C3000-0500 (Kennametal Inc. Div Kennametal Industrial Products Group) and 2 more.
There are 11 known substitutes for 5133-01-050-6044: 5940-00-079-1575, 9390-00-285-5950, 5930-00-353-2105 and 8 more. Verify interchangeability with system specifications before substitution.
Key specifications for 879: Features Provided: INTEGRAL PILOT; Overall Length: 4.312 INCHES NOMINAL IN; Material: STEEL OVERALL; Flute Quantity: 3. 10 total characteristics are documented in the Federal Logistics Information System.