The Spring Cup Assembly, cataloged under National Stock Number 1650-00-778-6904, 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 Moog Military Aircraft Llc. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1650-00-778-6904 |
| Primary Part Number | 029-20636 |
| Item Name | Spring Cup Assembly |
| FSC / FSG | 1650 / 16 — Aircraft Hydraulic, Vacuum, and De-icing System Components |
| Manufacturer | Moog Military Aircraft Llc |
| Status | ACTIVE |
| General Characteristics Item Description | CONSISTS OF 029-20738 CUP AND SPOOL 1,111-20070 PIVOT 1,112-20069-1 HOUSING 1,094-05100 RING 1,111-20071 SEAT 2,112-20075 COLLAR 1,111-20073 PIVOT 1,102-06996 SHIM 1,102-20074 SPACER 1,080-04273-8 O-RING 1,082-20060-4 SEAL,110-20072 SPRING 1,110-20068 1 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 029-20636 PRIMARY | Moog Military Aircraft Llc (USA) |
| Reference | Meaning |
|---|---|
| 029-20636 | 5/9 Secondary reference U.S. Government activity |
NSN 1650-00-778-6904 is a Spring Cup Assembly, manufactured by Moog Military Aircraft Llc, classified under FSC 1650, Aircraft Hydraulic, Vacuum, and De-icing System Components. Status: active.
NSN 1650-00-778-6904 has 1 manufacturer part number on file: 029-20636 (Moog Military Aircraft Llc).
Key specifications for 029-20636: General Characteristics Item Description: CONSISTS OF 029-20738 CUP AND SPOOL 1,111-20070 PIVOT 1,112-20069-1 HOUSING 1,094-05100 RING 1,111-20071 SEAT 2,112-20075 COLLAR 1,111-20073 PIVOT 1,102-06996 SHIM 1,102-20074 SPACER 1,080-04273-8 O-RING 1,082-20060-4 SEAL,110-20072 SPRING 1,110-20068 1. 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 1650-00-778-6904 has DEMIL Code B. 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.