The Seat,valve, cataloged under National Stock Number 4820-00-354-6358, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Dresser Industries Inc Leroi Div. 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. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-354-6358 |
| Primary Part Number | 15-445 |
| Item Name | Seat,valve |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Dresser Industries Inc Leroi Div |
| Status | ACTIVE |
| Body Inside Diameter | 3.750 INCHES NOMINAL IN |
| Style Designator | PLAIN |
| Seating Surface Shape | FLAT |
| Hardness Rating | 26.0 ROCKWELL C MINIMUM AND 30.0 ROCKWELL C MAXIMUM OVERALL |
| Material | STEEL COMP 8640 OVERALL |
| Body Outside Diameter | 5.480 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 15-445 PRIMARY | Dresser Industries Inc Leroi Div (USA) |
NSN 4820-00-354-6358 is a Seat,valve, manufactured by Dresser Industries Inc Leroi Div, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-00-354-6358 has 1 cross-referenced part number: 15-445 (Dresser Industries Inc Leroi Div).
There are 6 known substitutes for 4820-00-354-6358: 1040-00-938-3750, 3455-00-996-9720, 3030-01-197-6121 and 3 more. Verify interchangeability with system specifications before substitution.
Key specifications for 15-445: Body Inside Diameter: 3.750 INCHES NOMINAL IN; Style Designator: PLAIN; Seating Surface Shape: FLAT; Hardness Rating: 26.0 ROCKWELL C MINIMUM AND 30.0 ROCKWELL C MAXIMUM OVERALL. 7 total characteristics are documented in the Federal Logistics Information System.