The Bit,forstner, cataloged under National Stock Number 5133-00-142-4966, is classified within Federal Supply Class 5133 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Irwin Industrial Tool Company Dba Irwin Construction Accessories. Government technical data includes 5 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: Active.
| Parameter | Value |
|---|---|
| NSN | 5133-00-142-4966 |
| Primary Part Number | 42912 |
| Item Name | Bit,forstner |
| FSC / FSG | 5133 / 51 — No Item Name Available |
| Manufacturer | Irwin Industrial Tool Company Dba Irwin Construction Accessories |
| Status | ACTIVE |
| Material | STEEL OVERALL |
| Shank Diameter | 0.375 INCHES NOMINAL IN |
| Shank Style | STRAIGHT ROUND |
| Cutting End Style | CIRCULAR RIM |
| Nominal Cutting Diameter | 0.7500 INCHES IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 42912 | Irwin Industrial Tool Company Dba Irwin Construction Accessories (USA) |
| GGG-B-383 | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
| 42912 | Irwin Industrial Tool Company (USA) |
| 62889 | Vermont American Corp (USA) |
| GGG-B-383 TY1CLG | General Services Administration Federal Supply Service (USA) |
NSN 5133-00-142-4966 is a Bit,forstner, manufactured by Irwin Industrial Tool Company Dba Irwin Construction Accessories, classified under FSC 5133 (No Item Name Available). Status: active.
NSN 5133-00-142-4966 has 5 cross-referenced part numbers: 42912 (Irwin Industrial Tool Company Dba Irwin Construction Accessories), GGG-B-383 (Federal Specifications Promulgated by General Services Administration Washington DC), 42912 (Irwin Industrial Tool Company), 62889 (Vermont American Corp), GGG-B-383 TY1CLG (General Services Administration Federal Supply Service).
There are 12 known substitutes for 5133-00-142-4966: 5950-00-098-9133, 5133-00-142-4958, 5133-00-142-4959 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 42912: Overall Length: 3.500 INCHES NOMINAL IN; Material: STEEL OVERALL; Shank Diameter: 0.375 INCHES NOMINAL IN; Shank Style: STRAIGHT ROUND. 6 total characteristics are documented in the Federal Logistics Information System.