The Cylinder Assembly,hydraulic Brak, cataloged under National Stock Number 2530-00-728-7340, is classified within Federal Supply Class 2530 (No Item Name Available) of the Vehicular Equipment Components group. The primary manufacturer of record is C E Niehoff & Co. Government technical data includes 20 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 13 commercial cross-references from 10 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 2530-00-728-7340 |
| Primary Part Number | MC34451 |
| Item Name | Cylinder Assembly,hydraulic Brak |
| FSC / FSG | 2530 / 25 — No Item Name Available |
| Manufacturer | C E Niehoff & Co |
| Status | CANCELLED |
| Port Style | INVERTED FLARE LOCATION NOT OTHERWISE SPECIFIED |
| Port Location and Quantity | 1 CYLINDER HEAD END |
| Straight Bore Inside Diameter | 1.250 INCHES NOMINAL IN |
| Mounting Facility Diameter | 0.400 INCHES NOMINAL IN |
| Mounting Provision Arrangement Style | THREE HOLE TRIANGULAR |
| Mounting Type and Location | FLANGE PISTON ROD END |
| Reservoir Type | INTEGRAL |
| Port Thread Class | 2B LOCATION NOT OTHERWISE SPECIFIED |
| Bleeding Feature Quantity | 1 |
| Port Thread Series Designator | UNF LOCATION NOT OTHERWISE SPECIFIED |
| Port Thread Quantity Per Inch | 24 LOCATION NOT OTHERWISE SPECIFIED |
| Port Thread Diameter | 0.438 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN |
| Material | STEEL BODY |
| Seat Angle in Deg | 45.0 LOCATION NOT OTHERWISE SPECIFIED |
| Mounting Provision | UNTHREADED MOUNTING HOLES |
| Actuation Method | DIRECT |
| Body Outside Diameter | 1.500 INCHES NOMINAL IN |
| Longest Vertical Distance Between Mounting Centers | 2.250 INCHES NOMINAL IN |
| Shortest Horizontal Distance Between Mounting Centers | 2.500 INCHES NOMINAL IN |
| Longest Horizontal Distance Between Mounting Centers | 5.000 INCHES NOMINAL IN |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| MC34451 | C E Niehoff & Co (USA) |
| F34451 | Federal Mogul Corp Sub Wagner Brake Moog Automotive Div (USA) |
| 5464540 | Delco Moraine Div of General Motors Corp (USA) |
| 174-241 | Delco Moraine Div of General Motors Corp (USA) |
| 5467735 | General Motors Corp Chevrolet Motor Div Special Products Dept (USA) |
| 5467735 | Delco Moraine Div of General Motors Corp (USA) |
| 3778293 | General Motors Corp Chevrolet Motor Div Special Products Dept (USA) |
| H-34451 | Chrysler Corp Service and Parts Opns (USA) |
| 1205 | Bendix Corp the (USA) |
| 19089 | Echlin Inc (USA) |
| MC34451 | Trw Inc Replacement Parts Div (USA) |
| M34451 | Airtex Products Div of Uis Inc (USA) |
| E34451 | Eis Brake Parts Div of Standard Motor Products Inc (USA) |
NSN 2530-00-728-7340 is a Cylinder Assembly,hydraulic Brak, manufactured by C E Niehoff & Co, classified under FSC 2530 (No Item Name Available). Status: cancelled.
NSN 2530-00-728-7340 has 13 cross-referenced part numbers: MC34451 (C E Niehoff & Co), F34451 (Federal Mogul Corp Sub Wagner Brake Moog Automotive Div), 5464540 (Delco Moraine Div of General Motors Corp), 174-241 (Delco Moraine Div of General Motors Corp), 5467735 (General Motors Corp Chevrolet Motor Div Special Products Dept) and 8 more.
There are 12 known substitutes for 2530-00-728-7340: 3120-00-221-9793, 1090-00-446-5902, 6640-00-468-3912 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for MC34451: Port Style: INVERTED FLARE LOCATION NOT OTHERWISE SPECIFIED; Port Location and Quantity: 1 CYLINDER HEAD END; Straight Bore Inside Diameter: 1.250 INCHES NOMINAL IN; Mounting Facility Diameter: 0.400 INCHES NOMINAL IN. 23 total characteristics are documented in the Federal Logistics Information System.
NSN 2530-00-728-7340 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.