The Seat,valve, cataloged under National Stock Number 4810-00-337-1089, 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 50 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4810-00-337-1089 |
| Primary Part Number | 40120 |
| Item Name | Seat,valve |
| FSC / FSG | 4810 / 48 — No Item Name Available |
| Manufacturer | Northrop Grumman Systems Corporation Div Marine Systems |
| Status | ACTIVE |
| Material | STEEL OVERALL |
| Material Document and Classification | MIL-S-866,CLASS TS8615 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Style Designator | PLAIN FLANGED |
| Under Flange Height | 0.625 INCHES NOMINAL IN |
| Flange Seat to Disk End Height | 0.313 INCHES NOMINAL IN |
| Body Outside Diameter | 0.750 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 40120 | Westinghouse Electric Corp Sturtevant Div (USA) |
| D15-648YPC618 | Northrop Grumman Systems Corporation Div Marine Systems (USA) |
| D15-739ZPC618 | Westinghouse Electric Corp Sturtevant Div (USA) |
| CV9S5300-26PC618 | Naval Ship Systems Command (USA) |
| CV9S5300-025PC61 | Naval Ship Systems Command (USA) |
| D15-769BPC568 | Westinghouse Electric Corp (USA) |
| D15-648PPC618 | Westinghouse Electric Corp (USA) |
| D15-648PPC618 | Northrop Grumman Systems Corporation Div Marine Systems (USA) |
| CVL48S5300-47901 | Naval Ship Systems Command (USA) |
| CV41S5300-2PC618 | Naval Ship Systems Command (USA) |
| D15-648BPC618 | Westinghouse Electric Corp Sturtevant Div (USA) |
| D15-769PPC568 | Northrop Grumman Systems Corporation Div Marine Systems (USA) |
| D15-6482PC618 | Northrop Grumman Systems Corporation Div Marine Systems (USA) |
| D15-739BPC618 | Westinghouse Electric Corp Sturtevant Div (USA) |
| CV41S5300-16PC61 | Naval Ship Systems Command (USA) |
| D15-739PPC618 | Westinghouse Electric Corp (USA) |
| D15-769VPC568 | Northrop Grumman Systems Corporation Div Marine Systems (USA) |
| D15-648PPC618 | Westinghouse Electric Corp Sturtevant Div (USA) |
| D15-648AAPC618 | Northrop Grumman Systems Corporation Div Marine Systems (USA) |
| 40120 PRIMARY | Northrop Grumman Systems Corporation Div Marine Systems (USA) |
NSN 4810-00-337-1089 is a Seat,valve, manufactured by Northrop Grumman Systems Corporation Div Marine Systems, classified under FSC 4810 (No Item Name Available). Status: active.
NSN 4810-00-337-1089 has 50 cross-referenced part numbers: 40120 (Westinghouse Electric Corp Sturtevant Div), D15-648YPC618 (Northrop Grumman Systems Corporation Div Marine Systems), D15-739ZPC618 (Westinghouse Electric Corp Sturtevant Div), CV9S5300-26PC618 (Naval Ship Systems Command), CV9S5300-025PC61 (Naval Ship Systems Command) and 45 more.
There are 12 known substitutes for 4810-00-337-1089: 9150-00-175-9154, 4730-00-274-9207, 5920-00-280-4168 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 40120: Material: STEEL OVERALL; Material Document and Classification: MIL-S-866,CLASS TS8615 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL; Style Designator: PLAIN FLANGED; Under Flange Height: 0.625 INCHES NOMINAL IN. 6 total characteristics are documented in the Federal Logistics Information System.