The Seat,servovalve Assembly, cataloged under National Stock Number 1630-01-115-5471, is classified within Federal Supply Class 1630 (Aircraft Wheel and Brake Systems) of the Aircraft Components and Accessories group. The manufacturer of record is Eaton Aerospace Llc Dba Sterer Engineering Div M.c.aerospace. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1630-01-115-5471 |
| Primary Part Number | MC14840 |
| Item Name | Seat,servovalve Assembly |
| FSC / FSG | 1630 / 16 — Aircraft Wheel and Brake Systems |
| Manufacturer | Eaton Aerospace Llc Dba Sterer Engineering Div M.c.aerospace |
| Status | ACTIVE |
| General Characteristics Item Description | ALUMINUM ALLOY PER QQ-A-225/6 OR QQ-A-200/3,COMP 2024-T851; 0.798 IN. DIA; 0.534 IN. LG; ANODIZE PER MIL-A-8625 TY 2 DICHROMATE SEAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | F |
| Part Number | Manufacturer |
|---|---|
| MC14840 PRIMARY | Eaton Aerospace Llc Dba Sterer Engineering Div M.c.aerospace (USA) |
| Reference | Meaning |
|---|---|
| 10153803 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
NSN 1630-01-115-5471 is a Seat,servovalve Assembly, manufactured by Eaton Aerospace Llc Dba Sterer Engineering Div M.c.aerospace, classified under FSC 1630, Aircraft Wheel and Brake Systems. Status: active.
NSN 1630-01-115-5471 has 1 manufacturer part number on file: MC14840 (Eaton Aerospace Llc Dba Sterer Engineering Div M.c.aerospace).
Key specifications for MC14840: General Characteristics Item Description: ALUMINUM ALLOY PER QQ-A-225/6 OR QQ-A-200/3,COMP 2024-T851; 0.798 IN. DIA; 0.534 IN. LG; ANODIZE PER MIL-A-8625 TY 2 DICHROMATE SEAL IN. 1 specification is documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 1630-01-115-5471 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.