The Compensator-Plug, cataloged under National Stock Number 1650-00-100-7938, 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 Senior Operations Llc Dba Metal Bellows Div Metal Bellows. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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.
| Item Name | Compensator-Plug |
| FSC / FSG | 1650 — Aircraft Hydraulic, Vacuum, and De-icing System Components (FSG 16) |
| Manufacturers | Raytheon Company Dba Raytheon Co (CAGE 3B150); Senior Operations Llc Dba Metal Bellows Div Metal Bellows (CAGE 07649) |
| Parameter | Value |
|---|---|
| NSN | 1650-00-100-7938 |
| Primary Part Number | 66335-1 |
| Item Name | Compensator-Plug |
| FSC / FSG | 1650 / 16 — Aircraft Hydraulic, Vacuum, and De-icing System Components |
| Manufacturer | Senior Operations Llc Dba Metal Bellows Div Metal Bellows |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 444602-1 | Raytheon Company Dba Raytheon Co (USA) |
| 66335-1 PRIMARY | Senior Operations Llc Dba Metal Bellows Div Metal Bellows (USA) |
| Reference | Meaning |
|---|---|
| 66335 | 5/9 Secondary reference Senior Flexonics Inc |
| 444602-1 | 5/9 Secondary reference Raytheon Company Div Corp |
| 66335-1 | 5/9 Secondary reference Senior Flexonics Inc |
NSN 1650-00-100-7938 is a Compensator-Plug, manufactured by Senior Operations Llc Dba Metal Bellows Div Metal Bellows, classified under FSC 1650, Aircraft Hydraulic, Vacuum, and De-icing System Components. Status: active.
NSN 1650-00-100-7938 has 2 manufacturer part numbers on file: 444602-1 (Raytheon Company Dba Raytheon Co), 66335-1 (Senior Operations Llc Dba Metal Bellows Div Metal Bellows).
2 possible matches (shared part number, not a government interchangeability claim): 6635-00-359-9956, 5136-01-542-0616. Verify interchangeability with system specifications before substitution.
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.