The Seat,valve, cataloged under National Stock Number 4820-01-046-7408, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Hardie-Tynes Co., Inc.. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference 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 | 4820-01-046-7408 |
| Primary Part Number | 218-443 |
| Item Name | Seat,valve |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Hardie-Tynes Co., Inc. |
| Status | ACTIVE |
| Seating Surface Shape | ANGULAR |
| Style Designator | PLAIN |
| Material | COBALT COMP 3 OVERALL |
| Body Outside Diameter | 0.314 INCHES NOMINAL IN |
| Seat Angle in Deg | 30.000 NOMINAL |
| Body Inside Diameter | 0.158 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 218-443 | Hardie-Tynes Co., Inc. (USA) |
NSN 4820-01-046-7408 is a Seat,valve, manufactured by Hardie-Tynes Co., Inc., classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-01-046-7408 has 1 cross-referenced part number: 218-443 (Hardie-Tynes Co., Inc.).
There are 2 known substitutes for 4820-01-046-7408: 5310-00-208-2855, 4730-00-995-1559. Verify interchangeability with system specifications before substitution.
Key specifications for 218-443: Seating Surface Shape: ANGULAR; Style Designator: PLAIN; Material: COBALT COMP 3 OVERALL; Overall Height: 0.332 INCHES NOMINAL IN. 7 total characteristics are documented in the Federal Logistics Information System.