The Seat,valve, cataloged under National Stock Number 4810-00-338-3063, is classified within Federal Supply Class 4810 (Valves, Powered) of the Valves group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 13 specifications, cited from the U.S. Government catalog. The record lists 13 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 31 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4810-00-338-3063 |
| Primary Part Number | BB61S48-0388PC4 |
| Item Name | Seat,valve |
| FSC / FSG | 4810 / 48 — Valves, Powered |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Flange Seat to Disk End Height | 0.185 INCHES MINIMUM AND 0.191 INCHES MAXIMUM IN |
| Flange Diameter | 0.750 INCHES NOMINAL IN |
| Thread Length | 0.312 INCHES NOMINAL SINGLE THREADED PORTION IN |
| Hardness Rating | 300.0 BRINELL STANDARD MINIMUM OVERALL |
| Style Designator | THREADED FLANGED |
| Body Inside Diameter | 0.281 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN |
| Nominal Thread Size | 0.562 INCHES SINGLE THREADED PORTION IN |
| Under Flange Height | 0.312 INCHES NOMINAL IN |
| Thread Class | 2A SINGLE THREADED PORTION A |
| Thread Quantity Per Inch | 20 SINGLE THREADED PORTION |
| Material | STEEL OVERALL |
| 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 |
| Part Number | Manufacturer |
|---|---|
| BB61S48-0388PC4 PRIMARY | Naval Sea Systems Command (USA) |
| BB58S48-486PC3 PRIMARY | Naval Sea Systems Command (USA) |
| 3S614PC3 PRIMARY | Naval Sea Systems Command (USA) |
| BB55S48-852PC4 PRIMARY | Naval Sea Systems Command (USA) |
| 5135S4810-3216PC4 PRIMARY | Naval Sea Systems Command (USA) |
| 5135S4810-3219PC4 PRIMARY | Naval Sea Systems Command (USA) |
| 3S600ALT1PC3 PRIMARY | Naval Sea Systems Command (USA) |
| 5135S4810-3222PC3 PRIMARY | Naval Sea Systems Command (USA) |
| BB55S48-0333PC4 PRIMARY | Naval Sea Systems Command (USA) |
| CV9S48-032PC3 PRIMARY | Naval Sea Systems Command (USA) |
| BB61S48-0389PC4 PRIMARY | Naval Sea Systems Command (USA) |
| 5135S4810-3202PC3 PRIMARY | Naval Sea Systems Command (USA) |
| CV9S4810-370PC4 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| D21132PC4 | 3/9 Design control — primary reference Pentair Valves & Controls Us Lp Div Pentair Flow Control |
| D20450PC4 | 5/9 Secondary reference Pentair Valves & Controls Us Lp Div Pentair Flow Control |
| D21138PC4 | 5/9 Secondary reference Pentair Valves & Controls Us Lp Div Pentair Flow Control |
| D20550PC3 | 5/9 Secondary reference Pentair Valves & Controls Us Lp Div Pentair Flow Control |
| D20764PC4 | 5/9 Secondary reference Pentair Valves & Controls Us Lp Div Pentair Flow Control |
| D20393PC3 | 5/9 Secondary reference Pentair Valves & Controls Us Lp Div Pentair Flow Control |
| 5135S4810-3202PC3 | 5/9 Secondary reference U.S. Government activity |
| 5135S4810-3219PC4 | 5/9 Secondary reference U.S. Government activity |
| BB55S48-0333PC4 | 5/9 Secondary reference U.S. Government activity |
| CV9S4810-370PC4 | 5/9 Secondary reference U.S. Government activity |
| D21129PC4 | 5/9 Secondary reference Pentair Valves & Controls Us Lp Div Pentair Flow Control |
| D20682PC3 | 5/9 Secondary reference Pentair Valves & Controls Us Lp Div Pentair Flow Control |
| D20562PC4 | 5/9 Secondary reference Pentair Valves & Controls Us Lp Div Pentair Flow Control |
| BB58S48-486PC3 | 5/9 Secondary reference U.S. Government activity |
| YW100-163 | 5/9 Secondary reference Pentair Valves & Controls Us Lp Div Pentair Flow Control |
| D20561PC4 | 5/9 Secondary reference Pentair Valves & Controls Us Lp Div Pentair Flow Control |
| 3S600ALT1PC3 | 5/9 Secondary reference U.S. Government activity |
| BB61S48-0388PC4 | 5/9 Secondary reference U.S. Government activity |
| D21135PC3 | 5/9 Secondary reference Pentair Valves & Controls Us Lp Div Pentair Flow Control |
| D20645PC3 | 5/9 Secondary reference Pentair Valves & Controls Us Lp Div Pentair Flow Control |
NSN 4810-00-338-3063 is a Seat,valve, manufactured by Naval Sea Systems Command, classified under FSC 4810, Valves, Powered. Status: active.
NSN 4810-00-338-3063 has 13 manufacturer part numbers on file: BB61S48-0388PC4 (Naval Sea Systems Command), BB58S48-486PC3 (Naval Sea Systems Command), 3S614PC3 (Naval Sea Systems Command), BB55S48-852PC4 (Naval Sea Systems Command), 5135S4810-3216PC4 (Naval Sea Systems Command) and 8 more.
Key specifications for BB61S48-0388PC4: Flange Seat to Disk End Height: 0.185 INCHES MINIMUM AND 0.191 INCHES MAXIMUM IN; Flange Diameter: 0.750 INCHES NOMINAL IN; Thread Length: 0.312 INCHES NOMINAL SINGLE THREADED PORTION IN; Hardness Rating: 300.0 BRINELL STANDARD MINIMUM OVERALL. 13 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.