The Counterbore,machine, cataloged under National Stock Number 5133-01-443-3491, is classified within Federal Supply Class 5133 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Time Fastener Co Inc. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 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 | 5133-01-443-3491 |
| Primary Part Number | 21222 |
| Item Name | Counterbore,machine |
| FSC / FSG | 5133 / 51 — No Item Name Available |
| Manufacturer | Time Fastener Co Inc |
| Status | ACTIVE |
| Material | STEEL OVERALL |
| Nominal Cutting Diameter | 0.5000 INCHES IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 0661-912-2 | Wurth Uk Ltd (GBR) |
| 21222 PRIMARY | Time Fastener Co Inc (USA) |
NSN 5133-01-443-3491 is a Counterbore,machine, manufactured by Time Fastener Co Inc, classified under FSC 5133 (No Item Name Available). Status: active.
NSN 5133-01-443-3491 has 2 cross-referenced part numbers: 0661-912-2 (Wurth Uk Ltd), 21222 (Time Fastener Co Inc).
There are 5 known substitutes for 5133-01-443-3491: 5930-00-231-9774, 5310-00-673-8272, 5950-00-931-3744 and 2 more. Verify interchangeability with system specifications before substitution.
Key specifications for 21222: Material: STEEL OVERALL; Nominal Cutting Diameter: 0.5000 INCHES IN. 2 total characteristics are documented in the Federal Logistics Information System.