The Cylinder Assembly,hydraulic Brak, cataloged under National Stock Number 1630-00-112-2603, is classified within Federal Supply Class 1630 (No Item Name Available) of the Aircraft Components and Accessories group. The primary manufacturer of record is Thomas Instrument, Incorporated. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1630-00-112-2603 |
| Primary Part Number | MC4358-2 |
| Item Name | Cylinder Assembly,hydraulic Brak |
| FSC / FSG | 1630 / 16 — No Item Name Available |
| Manufacturer | Thomas Instrument, Incorporated |
| Status | ACTIVE |
| Mounting Type and Location | FLANGE CENTER SECTION |
| Criticality Code Justification | FEAT |
| First End Fork Span Width | 0.440 INCHES NOMINAL ALL WORKING ENDS IN |
| First Piston Rod End Style | SLOT TYPE ALL WORKING ENDS |
| Mounting Provision Arrangement Style | TWO HOLE |
| Mounting Facility Diameter | 4.188 INCHES NOMINAL IN |
| Mounting Provision | UNTHREADED MOUNTING HOLES |
| Temp Rating | 70.0 FAHRENHEIT AND 110.0 FAHRENHEIT DEGF |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| MC4358-2 PRIMARY | Thomas Instrument, Incorporated (USA) |
| MC4358-2 PRIMARY | Eaton Aerospace Llc Dba Sterer Engineering Div M.c.aerospace (USA) |
| 6-43903-4 | Northrop Grumman Technical Services, Inc. Dba Defense Systems Sector (USA) |
| 6-43903-4 | Northrop Grumman Systems Corporation Dba Northrop Grumman Is Div Northrop Grumman Aeronautics Systems (USA) |
NSN 1630-00-112-2603 is a Cylinder Assembly,hydraulic Brak, manufactured by Thomas Instrument, Incorporated, classified under FSC 1630 (No Item Name Available). Status: active.
NSN 1630-00-112-2603 has 4 cross-referenced part numbers: MC4358-2 (Thomas Instrument, Incorporated), MC4358-2 (Eaton Aerospace Llc Dba Sterer Engineering Div M.c.aerospace), 6-43903-4 (Northrop Grumman Technical Services, Inc. Dba Defense Systems Sector), 6-43903-4 (Northrop Grumman Systems Corporation Dba Northrop Grumman Is Div Northrop Grumman Aeronautics Systems).
There is 1 known substitute for 1630-00-112-2603: 2940-01-004-2913. Verify interchangeability with system specifications before substitution.
Key specifications for MC4358-2: Mounting Type and Location: FLANGE CENTER SECTION; Criticality Code Justification: FEAT; First End Fork Span Width: 0.440 INCHES NOMINAL ALL WORKING ENDS IN; First Piston Rod End Style: SLOT TYPE ALL WORKING ENDS. 9 total characteristics are documented in the Federal Logistics Information System.