The Seat,valve, cataloged under National Stock Number 4820-01-067-6334, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Naval Ship Systems Command. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 4820-01-067-6334 |
| Primary Part Number | 845-1889587 PIECE 4 3/4IN |
| Item Name | Seat,valve |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Naval Ship Systems Command |
| Status | CANCELLED |
| Flange Seat to Disk End Height | 0.125 INCHES NOMINAL IN |
| Style Designator | THREADED FLANGED |
| Thread Series Designator | UNS SINGLE THREADED PORTION |
| Material | STEEL CORROSION RESISTING OVERALL |
| Nominal Thread Size | 1.050 INCHES SINGLE THREADED PORTION IN |
| Thread Class | 2A SINGLE THREADED PORTION A |
| Body Inside Diameter | 0.574 INCHES NOMINAL IN |
| Seat Angle in Deg | 75.000 NOMINAL |
| Under Flange Height | 0.341 INCHES NOMINAL IN |
| Thread Quantity Per Inch | 20 SINGLE THREADED PORTION |
| Seating Surface Shape | ANGULAR |
| Flange Diameter | 1.252 INCHES NOMINAL IN |
| Thread Length | 0.250 INCHES NOMINAL SINGLE THREADED PORTION IN |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 845-1889587 PIECE 4 3/4IN PRIMARY | Naval Ship Systems Command (USA) |
| 51158-E-380 PRIMARY | Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc (USA) |
| 5841 594-1 | Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc (USA) |
| 51158E | Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc (USA) |
NSN 4820-01-067-6334 is a Seat,valve, manufactured by Naval Ship Systems Command, classified under FSC 4820 (No Item Name Available). Status: cancelled.
NSN 4820-01-067-6334 has 4 cross-referenced part numbers: 845-1889587 PIECE 4 3/4IN (Naval Ship Systems Command), 51158-E-380 (Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc), 5841 594-1 (Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc), 51158E (Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc).
There are 4 known substitutes for 4820-01-067-6334: 4820-01-041-1219, 4820-01-058-3675, 4820-01-100-2146 and 1 more. Verify interchangeability with system specifications before substitution.
Key specifications for 845-1889587 PIECE 4 3/4IN: Flange Seat to Disk End Height: 0.125 INCHES NOMINAL IN; Style Designator: THREADED FLANGED; Thread Series Designator: UNS SINGLE THREADED PORTION; Material: STEEL CORROSION RESISTING OVERALL. 14 total characteristics are documented in the Federal Logistics Information System.
NSN 4820-01-067-6334 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.