The Seat,valve, cataloged under National Stock Number 4810-00-313-9105, is classified within Federal Supply Class 4810 (Valves, Powered) of the Valves group. Government technical data includes 15 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4810-00-313-9105 |
| Item Name | Seat,valve |
| FSC / FSG | 4810 / 48 — Valves, Powered |
| Status | ACTIVE |
| Flange Seat to Disk End Height | 0.406 INCHES NOMINAL IN |
| Flange Diameter | 2.375 INCHES NOMINAL IN |
| Thread Length | 1.000 INCHES NOMINAL SINGLE THREADED PORTION IN |
| Hardness Rating | 180.0 BRINELL STANDARD NOMINAL BODY |
| Style Designator | THREADED FLANGED |
| Material Document and Classification | MIL-S-872,CLASS A,COND A MIL SPEC SINGLE MATERIAL RESPONSE BODY |
| Body Inside Diameter | 1.436 INCHES MINIMUM AND 1.440 INCHES MAXIMUM IN |
| Nominal Thread Size | 2.000 INCHES SINGLE THREADED PORTION IN |
| Under Flange Height | 1.282 INCHES NOMINAL IN |
| Thread Class | 3A SINGLE THREADED PORTION A |
| Thread Quantity Per Inch | 12 SINGLE THREADED PORTION |
| Material | STEEL BODY |
| Seat Angle in Deg | 60.000 NOMINAL |
| Thread Series Designator | UN SINGLE THREADED PORTION |
| Seating Surface Shape | ANGULAR |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| B021323-9 | 3/9 Design control — primary reference Pentair Valves & Controls Us Lp Div Pentair Flow Control |
NSN 4810-00-313-9105 is a Seat,valve, classified under FSC 4810, Valves, Powered. Status: active.
Key specifications for 4810-00-313-9105: Flange Seat to Disk End Height: 0.406 INCHES NOMINAL IN; Flange Diameter: 2.375 INCHES NOMINAL IN; Thread Length: 1.000 INCHES NOMINAL SINGLE THREADED PORTION IN; Hardness Rating: 180.0 BRINELL STANDARD NOMINAL BODY. 15 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.