The Seat,valve, cataloged under National Stock Number 4810-01-168-4652, is classified within Federal Supply Class 4810 (Valves, Powered) of the Valves group. The manufacturer of record is Eaton Aerospace, Llc Dba Jackson South. Government technical data includes 11 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4810-01-168-4652 |
| Primary Part Number | MC14398 |
| Item Name | Seat,valve |
| FSC / FSG | 4810 / 48 — Valves, Powered |
| Manufacturer | Eaton Aerospace, Llc Dba Jackson South |
| Status | ACTIVE |
| Flange Seat to Disk End Height | 0.055 INCHES NOMINAL IN |
| Flange Diameter | 0.358 INCHES NOMINAL IN |
| FSC Application Data | ACFT HYD SYSTEM |
| Body Outside Diameter | 0.248 INCHES NOMINAL IN |
| Style Designator | PLAIN FLANGED |
| Material Document and Classification | AMS5630A ASSN STD 1ST MATERIAL RESPONSE OR AMS5632 ASSN STD 2ND MATERIAL RESPONSE OVERALL |
| Body Inside Diameter | 0.134 INCHES NOMINAL IN |
| Surface Treatment | PASSIVATE OVERALL |
| Under Flange Height | 0.398 INCHES NOMINAL IN |
| Material | STEEL COMP 440C OR STEEL COMP 440F OVERALL |
| Seating Surface Shape | FLAT |
| 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 |
|---|---|
| MC14398 | Eaton Aerospace, Llc Dba Jackson South (USA) |
| Reference | Meaning |
|---|---|
| MC14398 | 3/2 Design control — primary reference U.S. Government activity |
| MC14398 | 5/9 Secondary reference Eaton Aerospace Llc Dba Sterer Engineering Div M.c.aerospace |
NSN 4810-01-168-4652 is a Seat,valve, manufactured by Eaton Aerospace, Llc Dba Jackson South, classified under FSC 4810, Valves, Powered. Status: active.
NSN 4810-01-168-4652 has 1 manufacturer part number on file: MC14398 (Eaton Aerospace, Llc Dba Jackson South).
Key specifications for MC14398: Flange Seat to Disk End Height: 0.055 INCHES NOMINAL IN; Flange Diameter: 0.358 INCHES NOMINAL IN; FSC Application Data: ACFT HYD SYSTEM; Body Outside Diameter: 0.248 INCHES NOMINAL IN. 11 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.