The Insert,engine Valve Seat, cataloged under National Stock Number 2815-00-891-0323, is classified within Federal Supply Class 2815 (No Item Name Available) of the Engines, Turbines, and Components group. The primary manufacturer of record is Safeguard Powertech Systems. Government technical data includes 6 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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2815-00-891-0323 |
| Primary Part Number | 31850 |
| Item Name | Insert,engine Valve Seat |
| FSC / FSG | 2815 / 28 — No Item Name Available |
| Manufacturer | Safeguard Powertech Systems |
| Status | ACTIVE |
| Material | STEEL OVERALL |
| Seating Surface Shape | FLAT |
| Surface Treatment | NICKEL OVERALL |
| Body Inside Diameter | 1.688 INCHES NOMINAL IN |
| Body Outside Diameter | 2.047 INCHES NOMINAL IN |
| Style Designator | PLAIN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 345015R1 | Komatsu America Corp. (USA) |
| 345015R1 | Komatsu American Intl Co (USA) |
| 31850 PRIMARY | Safeguard Powertech Systems (USA) |
| 345015R1 | Navistar Intl Corp Melrose Park Engine Plant Location /melrose Park/ (USA) |
| 345015R1 | Navistar International Corporation Dba Navistar (USA) |
NSN 2815-00-891-0323 is a Insert,engine Valve Seat, manufactured by Safeguard Powertech Systems, classified under FSC 2815 (No Item Name Available). Status: active.
NSN 2815-00-891-0323 has 5 cross-referenced part numbers: 345015R1 (Komatsu America Corp.), 345015R1 (Komatsu American Intl Co), 31850 (Safeguard Powertech Systems), 345015R1 (Navistar Intl Corp Melrose Park Engine Plant Location /melrose Park/), 345015R1 (Navistar International Corporation Dba Navistar).
There are 4 known substitutes for 2815-00-891-0323: 3110-00-156-1407, 6620-00-553-8854, 5935-00-578-2807 and 1 more. Verify interchangeability with system specifications before substitution.
Key specifications for 31850: Material: STEEL OVERALL; Seating Surface Shape: FLAT; Overall Height: 0.300 INCHES NOMINAL IN; Surface Treatment: NICKEL OVERALL. 7 total characteristics are documented in the Federal Logistics Information System.