The Piston,hydraulic Accumulator, cataloged under National Stock Number 2590-01-255-6697, is classified within Federal Supply Class 2590 (Miscellaneous Vehicular Components) of the Vehicular Equipment Components group. The manufacturer of record is Parker-Hannifin Corporation Div Hydraulic Accumulator Division. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 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 | 2590-01-255-6697 |
| Primary Part Number | 401097 |
| Item Name | Piston,hydraulic Accumulator |
| FSC / FSG | 2590 / 25 — Miscellaneous Vehicular Components |
| Manufacturer | Parker-Hannifin Corporation Div Hydraulic Accumulator Division |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| A73541-203 | Parker-Hannifin Corporation Div Hydraulic Accumulator Division (USA) |
| 401097 PRIMARY | Parker-Hannifin Corporation Div Hydraulic Accumulator Division (USA) |
NSN 2590-01-255-6697 is a Piston,hydraulic Accumulator, manufactured by Parker-Hannifin Corporation Div Hydraulic Accumulator Division, classified under FSC 2590, Miscellaneous Vehicular Components. Status: active.
NSN 2590-01-255-6697 has 2 manufacturer part numbers on file: A73541-203 (Parker-Hannifin Corporation Div Hydraulic Accumulator Division), 401097 (Parker-Hannifin Corporation Div Hydraulic Accumulator Division).
1 possible match (shared part number, not a government interchangeability claim): 5905-01-276-5494. Verify interchangeability with system specifications before substitution.
Key specifications for 401097: Special Features: 1.500 IN. OD,PART OF PLUG AND POPPET ASSEMBLY IN. 0 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). 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.