The Bladder,accumulator,hydraulic, cataloged under National Stock Number 1650-01-526-9938, is classified within Federal Supply Class 1650 (Aircraft Hydraulic, Vacuum, and De-icing System Components) of the Aircraft Components and Accessories group. The manufacturer of record is Wilkes & Mc Lean Ltd Div Wilkes and Mclean Ltd. The record lists 1 manufacturer part number 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 | 1650-01-526-9938 |
| Primary Part Number | WM3138-80 |
| Item Name | Bladder,accumulator,hydraulic |
| FSC / FSG | 1650 / 16 — Aircraft Hydraulic, Vacuum, and De-icing System Components |
| Manufacturer | Wilkes & Mc Lean Ltd Div Wilkes and Mclean Ltd |
| 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 |
|---|---|
| WM3138-80 PRIMARY | Wilkes & Mc Lean Ltd Div Wilkes and Mclean Ltd (USA) |
NSN 1650-01-526-9938 is a Bladder,accumulator,hydraulic, manufactured by Wilkes & Mc Lean Ltd Div Wilkes and Mclean Ltd, classified under FSC 1650, Aircraft Hydraulic, Vacuum, and De-icing System Components. Status: active.
NSN 1650-01-526-9938 has 1 manufacturer part number on file: WM3138-80 (Wilkes & Mc Lean Ltd Div Wilkes and Mclean Ltd).
1 possible match (shared part number, not a government interchangeability claim): 5340-01-661-0601. Verify interchangeability with system specifications before substitution.
Key specifications for WM3138-80: End Item Identification: WM3138 SUPPRESSOR. 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.