The Spring,valve,compression, cataloged under National Stock Number 1650-00-337-5288, is classified within Federal Supply Class 1650 (Aircraft Hydraulic, Vacuum, and De-icing System Components) of the Aircraft Components and Accessories group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 1650-00-337-5288 |
| Item Name | Spring,valve,compression |
| FSC / FSG | 1650 / 16 — Aircraft Hydraulic, Vacuum, and De-icing System Components |
| Status | ACTIVE |
| General Characteristics Item Description | 1.188 IN. OD,0.406 IN. ID IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 241054 | 3/9 Design control — primary reference Davey Compressor Co Div of Keco Industries Inc |
| 241054 | C/1 Advisory reference — outside the item-of-supply concept Drs Environmental Systems Inc |
| 241054 | 5/9 Secondary reference Kidde-Fenwal, Llc |
NSN 1650-00-337-5288 is a Spring,valve,compression, classified under FSC 1650, Aircraft Hydraulic, Vacuum, and De-icing System Components. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 5340-01-178-2041. Verify interchangeability with system specifications before substitution.
Key specifications for 1650-00-337-5288: General Characteristics Item Description: 1.188 IN. OD,0.406 IN. ID IN. 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 1650-00-337-5288 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.