The Shell Frame Assembly, cataloged under National Stock Number 2040-01-254-2637, is classified within Federal Supply Class 2040 (Marine Hardware and Hull Items) of the Ship and Marine Equipment group. The manufacturer of record is Parker-Hannifin Corporation Div Hydraulic Accumulator Division. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2040-01-254-2637 |
| Primary Part Number | A73541-201 |
| Item Name | Shell Frame Assembly |
| FSC / FSG | 2040 / 20 — Marine Hardware and Hull Items |
| Manufacturer | Parker-Hannifin Corporation Div Hydraulic Accumulator Division |
| Status | ACTIVE |
| General Characteristics Item Description | NICKEL COPPER ALLOY,MIL-C-15726 70-30 TEMPER SOFT; 14.750 IN. MIN 15.250 IN. MAX HIGH; 8.875 IN. OD IN |
| 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 |
|---|---|
| A73541-201 PRIMARY | Parker-Hannifin Corporation Div Hydraulic Accumulator Division (USA) |
| Reference | Meaning |
|---|---|
| 800398 PC1 | C/1 Advisory reference — outside the item-of-supply concept Parker-Hannifin Corporation Div Hydraulic Accumulator Division |
NSN 2040-01-254-2637 is a Shell Frame Assembly, manufactured by Parker-Hannifin Corporation Div Hydraulic Accumulator Division, classified under FSC 2040, Marine Hardware and Hull Items. Status: active.
NSN 2040-01-254-2637 has 1 manufacturer part number on file: A73541-201 (Parker-Hannifin Corporation Div Hydraulic Accumulator Division).
2 possible matches (shared part number, not a government interchangeability claim): 2040-01-629-8097, 2040-01-633-7658. Verify interchangeability with system specifications before substitution.
Key specifications for A73541-201: General Characteristics Item Description: NICKEL COPPER ALLOY,MIL-C-15726 70-30 TEMPER SOFT; 14.750 IN. MIN 15.250 IN. MAX HIGH; 8.875 IN. OD IN. 1 specification is 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.