The Pilot,valve Seat Refacing, cataloged under National Stock Number 4910-00-494-1249, is classified within Federal Supply Class 4910 (No Item Name Available) of the Maintenance and Repair Shop Equipment group. The primary manufacturer of record is Sioux Tools Inc. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4910-00-494-1249 |
| Primary Part Number | T409 |
| Item Name | Pilot,valve Seat Refacing |
| FSC / FSG | 4910 / 49 — No Item Name Available |
| Manufacturer | Sioux Tools Inc |
| Status | ACTIVE |
| Lower End Length | 4.000 INCHES NOMINAL IN |
| Design Type | SOLID |
| Style Designator | ROUND |
| Upper End Length | 4.000 INCHES NOMINAL IN |
| Size | 0.4092 INCHES NOMINAL IN |
| Upper End Diameter | 0.375 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 4910-00-494-1249 is a Pilot,valve Seat Refacing, manufactured by Sioux Tools Inc, classified under FSC 4910 (No Item Name Available). Status: active.
NSN 4910-00-494-1249 has 2 cross-referenced part numbers: T409 (Sioux Tools Inc), T409-2 (Sioux Tools Inc).
There are 2 known substitutes for 4910-00-494-1249: 3110-00-053-4423, 5961-00-947-8274. Verify interchangeability with system specifications before substitution.
Key specifications for T409: Lower End Length: 4.000 INCHES NOMINAL IN; Design Type: SOLID; Style Designator: ROUND; Upper End Length: 4.000 INCHES NOMINAL IN. 6 total characteristics are documented in the Federal Logistics Information System.