The Bit,expansive, cataloged under National Stock Number 5133-00-243-6912, 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 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5133-00-243-6912 |
| Primary Part Number | 46221 |
| Item Name | Bit,expansive |
| FSC / FSG | 5133 / 51 — No Item Name Available |
| Manufacturer | Irwin Industrial Tool Company Dba Irwin Construction Accessories |
| Status | ACTIVE |
| Cutting Diameter Range | +0.6250 TO 1.7500 INCHES IN |
| Material | STEEL OVERALL |
| Shank Style | TAPER-SQUARE |
| Shank Small End Square Width | 0.219 INCHES NOMINAL IN |
| Cutting End Style | GEARED CUTTER ADJUSTMENT |
| Shank Large End Square Width | 0.375 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 5133-00-243-6912 is a Bit,expansive, manufactured by Irwin Industrial Tool Company Dba Irwin Construction Accessories, classified under FSC 5133 (No Item Name Available). Status: active.
NSN 5133-00-243-6912 has 3 cross-referenced part numbers: 46221 (Irwin Industrial Tool Company Dba Irwin Construction Accessories), GGG-B-383 (Federal Specifications Promulgated by General Services Administration Washington DC), 46221 (Irwin Industrial Tool Company).
There are 5 known substitutes for 5133-00-243-6912: 5340-00-570-0312, 5999-00-824-2106, 5999-01-023-1578 and 2 more. Verify interchangeability with system specifications before substitution.
Key specifications for 46221: Cutting Diameter Range: +0.6250 TO 1.7500 INCHES IN; Overall Length: 7.500 INCHES MINIMUM AND 9.000 INCHES MAXIMUM IN; Material: STEEL OVERALL; Shank Style: TAPER-SQUARE. 7 total characteristics are documented in the Federal Logistics Information System.