The Seat,valve, cataloged under National Stock Number 4820-01-041-1219, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 2 manufacturers, 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 | 4820-01-041-1219 |
| Primary Part Number | 51158-D-380 |
| Item Name | Seat,valve |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc |
| Status | ACTIVE |
| Thread Length | 0.250 INCHES NOMINAL SINGLE THREADED PORTION IN |
| Material | STEEL CORROSION RESISTING OVERALL |
| Thread Series Designator | UNS SINGLE THREADED PORTION |
| Style Designator | THREADED FLANGED |
| Flange Seat to Disk End Height | 0.120 INCHES NOMINAL IN |
| Seating Surface Shape | ANGULAR |
| Seat Angle in Deg | 15.250 NOMINAL |
| Nominal Thread Size | 0.765 INCHES SINGLE THREADED PORTION IN |
| Flange Diameter | 0.935 INCHES NOMINAL IN |
| Body Inside Diameter | 0.445 INCHES NOMINAL IN |
| Thread Class | 2A SINGLE THREADED PORTION A |
| Under Flange Height | 0.325 INCHES NOMINAL IN |
| Thread Quantity Per Inch | 24 SINGLE THREADED PORTION |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| SS845-1889587AS | Naval Inventory Control Point Mechanicsburg (USA) |
| 584-1-594-1 | Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc (USA) |
| 51158D | Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc (USA) |
| 584-1-594-1PC8 | Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc (USA) |
| 51158-D-380 PRIMARY | Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc (USA) |
| 51158D1-2IN | Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc (USA) |
NSN 4820-01-041-1219 is a Seat,valve, manufactured by Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-01-041-1219 has 6 cross-referenced part numbers: SS845-1889587AS (Naval Inventory Control Point Mechanicsburg), 584-1-594-1 (Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc), 51158D (Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc), 584-1-594-1PC8 (Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc), 51158-D-380 (Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc) and 1 more.
There are 6 known substitutes for 4820-01-041-1219: 4820-01-058-3675, 4820-01-067-3653, 4820-01-067-6334 and 3 more. Verify interchangeability with system specifications before substitution.
Key specifications for 51158-D-380: Thread Length: 0.250 INCHES NOMINAL SINGLE THREADED PORTION IN; Material: STEEL CORROSION RESISTING OVERALL; Thread Series Designator: UNS SINGLE THREADED PORTION; Style Designator: THREADED FLANGED. 13 total characteristics are documented in the Federal Logistics Information System.