The Accumulator,hydraulic, cataloged under National Stock Number 2530-01-288-5863, 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 The Entwistle Company Llc. Government technical data includes 10 specifications, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2530-01-288-5863 |
| Primary Part Number | KT-RFE-5311-1 |
| Item Name | Accumulator,hydraulic |
| FSC / FSG | 2530 / 25 — Vehicular Brake, Steering, Axle, Wheel, and Track Components |
| Manufacturer | The Entwistle Company Llc |
| Status | ACTIVE |
| Bleeder Opening | INCLUDED |
| Maximum Fluid Volume | 5.000 GALLONS |
| Overall Diameter | 9.125 INCHES NOMINAL IN |
| Port Screw Thread Diameter | 1.875 INCHES NOMINAL IN |
| Port Screw Thread Series Designator | UNF |
| Shape | CYLINDRICAL |
| Operating Pressure | 3000.000 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS |
| Port Screw Thread Quantity Per Inch | 12.000 |
| Separator Type | BLADDER |
| Thread Class | 2B |
| 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 |
|---|---|
| KT-RFE-5311-1 PRIMARY | The Entwistle Company Llc (USA) |
| Reference | Meaning |
|---|---|
| KT-RFE-5311-1 | 3/9 Design control — primary reference Entwistle Co the Kenett Hydraulic Systems Div |
NSN 2530-01-288-5863 is a Accumulator,hydraulic, manufactured by The Entwistle Company Llc, classified under FSC 2530, Vehicular Brake, Steering, Axle, Wheel, and Track Components. Status: active.
NSN 2530-01-288-5863 has 1 manufacturer part number on file: KT-RFE-5311-1 (The Entwistle Company Llc).
Key specifications for KT-RFE-5311-1: Bleeder Opening: INCLUDED; Maximum Fluid Volume: 5.000 GALLONS; Overall Diameter: 9.125 INCHES NOMINAL IN; Port Screw Thread Diameter: 1.875 INCHES NOMINAL IN. 10 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.