The Diaphragm,reservoir,brake Fluid, cataloged under National Stock Number 2530-01-494-0861, 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 Wheeler Fleet Solutions, Co.. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2530-01-494-0861 |
| Primary Part Number | 9138130-01 |
| Item Name | Diaphragm,reservoir,brake Fluid |
| FSC / FSG | 2530 / 25 — Vehicular Brake, Steering, Axle, Wheel, and Track Components |
| Manufacturer | Wheeler Fleet Solutions, Co. |
| Status | ACTIVE |
| Material | RUBBER SYNTHETIC |
| 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 |
|---|---|
| 9138130-01 PRIMARY | Wheeler Fleet Solutions, Co. (USA) |
NSN 2530-01-494-0861 is a Diaphragm,reservoir,brake Fluid, manufactured by Wheeler Fleet Solutions, Co., classified under FSC 2530, Vehicular Brake, Steering, Axle, Wheel, and Track Components. Status: active.
NSN 2530-01-494-0861 has 1 manufacturer part number on file: 9138130-01 (Wheeler Fleet Solutions, Co.).
Key specifications for 9138130-01: Special Features: USED ON 2590-01-494-0859 CAP, FILLER OPENING. USED WITH SILICONE BRAKE FLUID. MATERIAL IS EPDM RUBBER, 45 TO 55 DUROMETER. SIMILAR TO 2530-01-494-0863 WHICH IS USED IN MINERAL OIL BRAKE SYSTEM.; Part Name Assigned by Controlling Agency: DESE DIAPHRAGM, SILICONE FLUID; End Item Identification: W/S TRACTOR, AIRCRAFT TOWING, MB4; Material: RUBBER SYNTHETIC. 1 specification is 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.