The Seal Kit,main Ram,horiz Stab Ser, cataloged under National Stock Number 1650-01-522-2180, 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through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 1650-01-522-2180 |
| Primary Part Number | 137529 |
| Item Name | Seal Kit,main Ram,horiz Stab Ser |
| 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 A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| AK1191 | Greene Tweed & Co Inc (USA) |
| 137529 PRIMARY | The Boeing Company Div Defense (USA) |
| 137529 PRIMARY | The Boeing Company Div Services (USA) |
| Reference | Meaning |
|---|---|
| 137529 | 3/2 Design control — primary reference U.S. Government activity |
| XSZUDG2002N-1 | 5/9 Secondary reference Trelleborg Sealing Solutions Us, Inc. |
| 137529 | 5/9 Secondary reference U.S. Government activity |
| 137529 | 5/9 Secondary reference Iasa Group Llc |
| 069000632-2 | 5/9 Secondary reference Saint-Gobain Performance Plastics Corporation Div Omniseal Solutions |
| 137529 "DISTRIBUTOR" | 5/9 Secondary reference Iasa Group Llc Dba Iasa Group Llc |
NSN 1650-01-522-2180 is a Seal Kit,main Ram,horiz Stab Ser, manufactured by The Boeing Company Div Defense, classified under FSC 1650, Aircraft Hydraulic, Vacuum, and De-icing System Components. Status: active.
NSN 1650-01-522-2180 has 3 manufacturer part numbers on file: AK1191 (Greene Tweed & Co Inc), 137529 (The Boeing Company Div Defense), 137529 (The Boeing Company Div Services).
1 possible match (shared part number, not a government interchangeability claim): 6140-01-722-8534. Verify interchangeability with system specifications before substitution.
Key specifications for 137529: Criticality Code Justification: AGAV; End Item Identification: F/A-18A-D AIRCRAFT A. 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.