The Parts Kit,seal Replacement,mecha, cataloged under National Stock Number 1650-01-522-1883, 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 The Boeing Company Div Defense. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 1650-01-522-1883 |
| Primary Part Number | 137528 |
| Item Name | Parts Kit,seal Replacement,mecha |
| FSC / FSG | 1650 / 16 — Aircraft Hydraulic, Vacuum, and De-icing System Components |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Criticality Code Justification | AGAV |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| 137528 | The Boeing Company Div Defense (USA) |
| XSZUDG2001N-1 | Trelleborg Sealing Solutions Us, Inc. (USA) |
| 137528 | The Boeing Company Div Services (USA) |
| Reference | Meaning |
|---|---|
| 137528 | 3/2 Design control — primary reference U.S. Government activity |
NSN 1650-01-522-1883 is a Parts Kit,seal Replacement,mecha, manufactured by The Boeing Company Div Defense, classified under FSC 1650, Aircraft Hydraulic, Vacuum, and De-icing System Components. Status: active.
NSN 1650-01-522-1883 has 3 manufacturer part numbers on file: 137528 (The Boeing Company Div Defense), XSZUDG2001N-1 (Trelleborg Sealing Solutions Us, Inc.), 137528 (The Boeing Company Div Services).
1 possible match (shared part number, not a government interchangeability claim): 7010-01-722-8539. Verify interchangeability with system specifications before substitution.
Key specifications for 137528: Criticality Code Justification: AGAV; Part Name Assigned by Controlling Agency: INAVY) SEAL KIT,MAIN RAM LVDT HORIZ. STAB SERVOCYLINDER; End Item Identification: F/A-18. 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.
NSN 1650-01-522-1883 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.