The Seat,valve, cataloged under National Stock Number 4810-00-347-8549, is classified within Federal Supply Class 4810 (Valves, Powered) of the Valves group. The manufacturer of record is Hydro-Aire Aerospace Corp. Dba Lear Romec Div Lear Romec. Government technical data includes 9 specifications, 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4810-00-347-8549 |
| Primary Part Number | RB15341 |
| Item Name | Seat,valve |
| FSC / FSG | 4810 / 48 — Valves, Powered |
| Manufacturer | Hydro-Aire Aerospace Corp. Dba Lear Romec Div Lear Romec |
| Status | ACTIVE |
| Surface Treatment Document and Classification | MIL-P-12011 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Body Outside Diameter | 0.620 INCHES NOMINAL IN |
| Hardness Rating | 40.0 ROCKWELL A NOMINAL OVERALL |
| Style Designator | PLAIN |
| Body Inside Diameter | 0.500 INCHES NOMINAL IN |
| Surface Treatment | PASSIVATE OVERALL |
| Material | STEEL CORROSION RESISTING OVERALL |
| Seat Angle in Deg | 45.000 NOMINAL |
| 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 |
|---|---|
| RB15341 PRIMARY | Hydro-Aire Aerospace Corp. Dba Lear Romec Div Lear Romec (USA) |
NSN 4810-00-347-8549 is a Seat,valve, manufactured by Hydro-Aire Aerospace Corp. Dba Lear Romec Div Lear Romec, classified under FSC 4810, Valves, Powered. Status: active.
NSN 4810-00-347-8549 has 1 manufacturer part number on file: RB15341 (Hydro-Aire Aerospace Corp. Dba Lear Romec Div Lear Romec).
Key specifications for RB15341: Overall Height: 0.500 INCHES NOMINAL IN; Surface Treatment Document and Classification: MIL-P-12011 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL; Body Outside Diameter: 0.620 INCHES NOMINAL IN; Hardness Rating: 40.0 ROCKWELL A NOMINAL OVERALL. 9 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.