The Cylinder Assembly,hydraulic Brak, cataloged under National Stock Number 2530-00-157-3344, is classified within Federal Supply Class 2530 (Vehicular Brake, Steering, Axle, Wheel, and Track Components) of the Vehicular Equipment Components group. The manufacturer of record is Federal Mogul Corp Sub Wagner Brake Moog Automotive Div. Government technical data includes 23 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 2530-00-157-3344 |
| Primary Part Number | FD73860B |
| Item Name | Cylinder Assembly,hydraulic Brak |
| FSC / FSG | 2530 / 25 — Vehicular Brake, Steering, Axle, Wheel, and Track Components |
| Manufacturer | Federal Mogul Corp Sub Wagner Brake Moog Automotive Div |
| Status | ACTIVE |
| Mounting Facility Thread Class | 2B |
| Bleeding Feature Quantity | 1 |
| Compressed Length | 2.656 INCHES NOMINAL IN |
| Design Characteristics | DOUBLE ACTING SINGLE CYLINDER |
| Port Thread Series Designator | UNF LOCATION NOT OTHERWISE SPECIFIED |
| Body Outside Diameter | 1.312 INCHES NOMINAL IN |
| Mounting Provision Arrangement Style | TWO HOLE |
| Mounting Facility Thread Quantity Per Inch | 20 |
| Bore Type | STRAIGHT |
| Port Thread Class | 2B LOCATION NOT OTHERWISE SPECIFIED |
| Features Provided | RUBBER BOOT |
| Port Thread Quantity Per Inch | 24 LOCATION NOT OTHERWISE SPECIFIED |
| Mounting Facility Thread Length | 0.344 INCHES NOMINAL IN |
| Port Thread Diameter | 0.750 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN |
| Mounting Facility Thread Diameter | 0.250 INCHES NOMINAL IN |
| Port Location and Quantity | 1 CENTER SECTION |
| Port Style | SWIVEL NUT, GASKET SEAL LOCATION NOT OTHERWISE SPECIFIED |
| Mounting Facility Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Bore Diameter | 1.000 INCHES NOMINAL IN |
| Material | STEEL BODY |
| Mounting Type and Location | FLANGE CENTER SECTION |
| Mounting Facility Thread Direction | RIGHT-HAND |
| Mounting Provision | THREADED MOUNTING HOLES |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 8328442 | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| FD73860B PRIMARY | Federal Mogul Corp Sub Wagner Brake Moog Automotive Div (USA) |
| Reference | Meaning |
|---|---|
| 2225245 | 5/9 Secondary reference Allied Automotive Allied Aftermarket Div |
| 2225245 | 5/9 Secondary reference Bendix Corp the Hydraulics Div |
NSN 2530-00-157-3344 is a Cylinder Assembly,hydraulic Brak, manufactured by Federal Mogul Corp Sub Wagner Brake Moog Automotive Div, classified under FSC 2530, Vehicular Brake, Steering, Axle, Wheel, and Track Components. Status: active.
NSN 2530-00-157-3344 has 2 manufacturer part numbers on file: 8328442 (U S Army Tank Automotive Command Amsta-Im-Mm), FD73860B (Federal Mogul Corp Sub Wagner Brake Moog Automotive Div).
Key specifications for FD73860B: Mounting Facility Thread Class: 2B; Bleeding Feature Quantity: 1; Compressed Length: 2.656 INCHES NOMINAL IN; Design Characteristics: DOUBLE ACTING SINGLE CYLINDER. 23 specifications are 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.
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.