The Cup,hydraulic Brake Cylinder, cataloged under National Stock Number 2530-00-033-6030, is classified within Federal Supply Class 2530 (No Item Name Available) of the Vehicular Equipment Components group. The primary manufacturer of record is Stewart Avionics Inc. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 50 commercial cross-references from 37 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 | 2530-00-033-6030 |
| Primary Part Number | B6259 |
| Item Name | Cup,hydraulic Brake Cylinder |
| FSC / FSG | 2530 / 25 — No Item Name Available |
| Manufacturer | Stewart Avionics Inc |
| Status | CANCELLED |
| Mounting Method | FLAT SOLID BASE |
| Angle in Deg | 65.0 |
| Material | RUBBER ISOBUTYLENE-ISOPRENE CLASS IIR OR RUBBER BUTADIENE-STYRENE CLASS SBR |
| FSC Application Data | MOTOR VEHICLE |
| Material Document and Classification | MIL-STD-417, GRADE RS720ABF2 MIL SPEC SINGLE MATERIAL RESPONSE |
| Projection Length | 0.237 INCHES NOMINAL IN |
| Outer Periphery Base Groove | NOT INCLUDED |
| Cup Protector | NOT INCLUDED |
| Base Outside Diameter | 1.343 INCHES MINIMUM AND 1.358 INCHES MAXIMUM IN |
| Base Inside Projection | INCLUDED |
| Size Designator | 1 3/8 IN. IN |
| Base Thickness | 0.105 INCHES MINIMUM AND 0.115 INCHES MAXIMUM IN |
| Sealing Lip Length | 0.227 INCHES MINIMUM AND 0.237 INCHES MAXIMUM IN |
| Feathered Lip Feature | INCLUDED |
| Largest Outside Diameter | 1.458 INCHES MAXIMUM IN |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| SEC857G | Federal Mogul Corp Sub Wagner Brake Moog Automotive Div (USA) |
| B6259 PRIMARY | Stewart Avionics Inc (USA) |
| 37161 | United Systems of Automotive Inc (USA) |
| TC857 | Hbd Industries, Inc Div Hbd/thermoid Inc (USA) |
| 12190 | Tld Wollard Llc (USA) |
| 01760-0068 | Harsco Corp Bmy-Combat Systems Div (USA) |
| X3696X | White Motor Corp (USA) |
| 26489W | Diamond Reo Truck Co (USA) |
| 6CFC857 | Fwd Seagrave Holdings Lp (USA) |
| 851801 | Clark Equipment Co (USA) |
| F857 | Federal Mogul Corp Sub Wagner Brake Moog Automotive Div (USA) |
| 9W0247 | Parker-Hannifin Corporation Dba Pneutronics Div Instrumentation Products Division (USA) |
| FC857J | Federal Mogul Corp Sub Wagner Brake Moog Automotive Div (USA) |
| 94490 | Kenosha Automotive Plant Sub of American Motors Corp (USA) |
| 77838 | Chrysler Realty Company Llc Dba Daimler Chrysler (USA) |
| 08035 | Military Vehicles Opn General Motors Truck and Bus Group Ms 2603-02 (USA) |
| FC857 | Meritor Heavy Vehicle Systems, Llc (USA) |
| FC857L | Federal Mogul Corp Sub Wagner Brake Moog Automotive Div (USA) |
| 000-615-1073 | Lift Parts Mfg Co Inc Div of Echlin Mfg Co the (USA) |
| N26489W | Diamond Reo Truck Co (USA) |
NSN 2530-00-033-6030 is a Cup,hydraulic Brake Cylinder, manufactured by Stewart Avionics Inc, classified under FSC 2530 (No Item Name Available). Status: cancelled.
NSN 2530-00-033-6030 has 50 cross-referenced part numbers: SEC857G (Federal Mogul Corp Sub Wagner Brake Moog Automotive Div), B6259 (Stewart Avionics Inc), 37161 (United Systems of Automotive Inc), TC857 (Hbd Industries, Inc Div Hbd/thermoid Inc), 12190 (Tld Wollard Llc) and 45 more.
There are 12 known substitutes for 2530-00-033-6030: 6625-00-033-7873, 4820-00-098-3536, 3110-00-100-0706 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for B6259: Mounting Method: FLAT SOLID BASE; Angle in Deg: 65.0; Material: RUBBER ISOBUTYLENE-ISOPRENE CLASS IIR OR RUBBER BUTADIENE-STYRENE CLASS SBR; FSC Application Data: MOTOR VEHICLE. 16 total characteristics are documented in the Federal Logistics Information System.
NSN 2530-00-033-6030 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.