The Diaphragm,chamber,brake, cataloged under National Stock Number 2530-00-853-7159, 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 Bendix Commercial Vehicle Systems Llc Dba Bendix Commercial Vehicle Systems. Government technical data includes 7 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2530-00-853-7159 |
| Primary Part Number | 236526 |
| Item Name | Diaphragm,chamber,brake |
| FSC / FSG | 2530 / 25 — Vehicular Brake, Steering, Axle, Wheel, and Track Components |
| Manufacturer | Bendix Commercial Vehicle Systems Llc Dba Bendix Commercial Vehicle Systems |
| Status | ACTIVE |
| Diaphragm Type | BEADED TAPERED SLEEVE |
| Sleeve Smallest Outside Diameter | 3.750 INCHES NOMINAL IN |
| Mounting Method | BEAD |
| Overall Outside Diameter | 5.250 INCHES NOMINAL IN |
| Material Thickness | 0.080 INCHES NOMINAL IN |
| Construction | FABRIC INSERT |
| Material | RUBBER CHLOROPRENE CLASS CR |
| 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 |
|---|---|
| 301-SJ-640 | Dana Off Highway Products, Llc (USA) |
| 236526 PRIMARY | Bendix Commercial Vehicle Systems Llc Dba Bendix Commercial Vehicle Systems (USA) |
| Reference | Meaning |
|---|---|
| 301-SJ-640 | 5/9 Secondary reference Vme Americas Inc Sub of Vme Group N V |
NSN 2530-00-853-7159 is a Diaphragm,chamber,brake, manufactured by Bendix Commercial Vehicle Systems Llc Dba Bendix Commercial Vehicle Systems, classified under FSC 2530, Vehicular Brake, Steering, Axle, Wheel, and Track Components. Status: active.
NSN 2530-00-853-7159 has 2 manufacturer part numbers on file: 301-SJ-640 (Dana Off Highway Products, Llc), 236526 (Bendix Commercial Vehicle Systems Llc Dba Bendix Commercial Vehicle Systems).
1 possible match (shared part number, not a government interchangeability claim): 5985-00-921-6009. Verify interchangeability with system specifications before substitution.
Key specifications for 236526: Overall Height: 2.915 INCHES NOMINAL IN; Diaphragm Type: BEADED TAPERED SLEEVE; Sleeve Smallest Outside Diameter: 3.750 INCHES NOMINAL IN; Mounting Method: BEAD. 7 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.