The Seat,valve, cataloged under National Stock Number 4810-00-147-5851, is classified within Federal Supply Class 4810 (No Item Name Available) of the Valves group. The primary manufacturer of record is Northrop Grumman Systems Corporation Div Marine Systems. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 27 commercial cross-references from 3 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 | 4810-00-147-5851 |
| Primary Part Number | 9989 |
| Item Name | Seat,valve |
| FSC / FSG | 4810 / 48 — No Item Name Available |
| Manufacturer | Northrop Grumman Systems Corporation Div Marine Systems |
| Status | ACTIVE |
| Seating Surface Shape | FLAT |
| Material | STEEL OVERALL |
| Style Designator | PLAIN FLANGED |
| Surface Treatment | CHROMIUM OVERALL |
| Under Flange Height | 1.125 INCHES NOMINAL IN |
| Body Outside Diameter | 2.500 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| D15-648XPC452 | Westinghouse Electric Corp (USA) |
| D15-648AAPC452 | Northrop Grumman Systems Corporation Div Marine Systems (USA) |
| 9989 PRIMARY | Northrop Grumman Systems Corporation Div Marine Systems (USA) |
| D15-739MPC452 | Northrop Grumman Systems Corporation Div Marine Systems (USA) |
| D15-739ZPC452 | Westinghouse Electric Corp (USA) |
| D15-739YPC452 | Northrop Grumman Systems Corporation Div Marine Systems (USA) |
| D15-648AAPC452 | Westinghouse Electric Corp (USA) |
| D15-739YPC452 | Westinghouse Electric Corp (USA) |
| D15-648ZPC452 | Northrop Grumman Systems Corporation Div Marine Systems (USA) |
| D15-739ZPC452 | Northrop Grumman Systems Corporation Div Marine Systems (USA) |
| 9989 | Westinghouse Electric Corp (USA) |
| D15-648BCP452 | Northrop Grumman Systems Corporation Div Marine Systems (USA) |
| 9989 | Westinghouse Electric Corp Sturtevant Div (USA) |
| D15-648YPC452 | Westinghouse Electric Corp (USA) |
| D15-739XPC452 | Northrop Grumman Systems Corporation Div Marine Systems (USA) |
| D15-648ZPC452 | Westinghouse Electric Corp (USA) |
| D15-648XPC452 | Northrop Grumman Systems Corporation Div Marine Systems (USA) |
| D15-739BPC452 | Northrop Grumman Systems Corporation Div Marine Systems (USA) |
| D15-739BPC452 | Westinghouse Electric Corp (USA) |
| D15-739XPC452 | Westinghouse Electric Corp (USA) |
NSN 4810-00-147-5851 is a Seat,valve, manufactured by Northrop Grumman Systems Corporation Div Marine Systems, classified under FSC 4810 (No Item Name Available). Status: active.
NSN 4810-00-147-5851 has 27 cross-referenced part numbers: D15-648XPC452 (Westinghouse Electric Corp), D15-648AAPC452 (Northrop Grumman Systems Corporation Div Marine Systems), 9989 (Northrop Grumman Systems Corporation Div Marine Systems), D15-739MPC452 (Northrop Grumman Systems Corporation Div Marine Systems), D15-739ZPC452 (Westinghouse Electric Corp) and 22 more.
There are 4 known substitutes for 4810-00-147-5851: 5330-00-178-4677, 5950-00-227-7840, 6230-00-564-3837 and 1 more. Verify interchangeability with system specifications before substitution.
Key specifications for 9989: Seating Surface Shape: FLAT; Material: STEEL OVERALL; Style Designator: PLAIN FLANGED; Surface Treatment: CHROMIUM OVERALL. 6 total characteristics are documented in the Federal Logistics Information System.