The Seat,valve, cataloged under National Stock Number 4810-01-310-0018, is classified within Federal Supply Class 4810 (Valves, Powered) of the Valves group. The manufacturer of record is Ruggles-Klingemann Mfg Co Dba the Ruggles-Klingemann Company. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4810-01-310-0018 |
| Primary Part Number | S4150 PIECE 3 |
| Item Name | Seat,valve |
| FSC / FSG | 4810 / 48 — Valves, Powered |
| Manufacturer | Ruggles-Klingemann Mfg Co Dba the Ruggles-Klingemann Company |
| Status | ACTIVE |
| Material | NICKEL ALLOY SEAT |
| 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 |
|---|---|
| S4150 PIECE 3 PRIMARY | Ruggles-Klingemann Mfg Co Dba the Ruggles-Klingemann Company (USA) |
| Reference | Meaning |
|---|---|
| S4150 | D/9 Drawing number reference only Ruggles-Klingemann Mfg Co Dba the Ruggles-Klingemann Company |
| 3137559 PIECE 3 | 5/2 Secondary reference U.S. Government activity |
NSN 4810-01-310-0018 is a Seat,valve, manufactured by Ruggles-Klingemann Mfg Co Dba the Ruggles-Klingemann Company, classified under FSC 4810, Valves, Powered. Status: active.
NSN 4810-01-310-0018 has 1 manufacturer part number on file: S4150 PIECE 3 (Ruggles-Klingemann Mfg Co Dba the Ruggles-Klingemann Company).
2 possible matches (shared part number, not a government interchangeability claim): 4810-01-310-0019, 4810-01-310-4379. Verify interchangeability with system specifications before substitution.
Key specifications for S4150 PIECE 3: Material: NICKEL ALLOY SEAT. 1 specification is 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.