The Guide,adjusting,valve, cataloged under National Stock Number 1650-00-404-1973, 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 Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road). Government technical data includes 2 specifications, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1650-00-404-1973 |
| Primary Part Number | 3120021 |
| Item Name | Guide,adjusting,valve |
| FSC / FSG | 1650 / 16 — Aircraft Hydraulic, Vacuum, and De-icing System Components |
| Manufacturer | Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road) |
| Status | ACTIVE |
| FSC Application Data | HYD SYSTEM,ACFT |
| General Characteristics Item Description | CRES 416 QQ-S-763 COND H,0.625 IN. LG,0.4195 IN. DIA IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 3120021 PRIMARY | Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road) (USA) |
| Reference | Meaning |
|---|---|
| 3120021 | 5/9 Secondary reference Allied-Signal Inc Dba Allied-Signal Aerospace Co Electrodynamics Div |
NSN 1650-00-404-1973 is a Guide,adjusting,valve, manufactured by Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road), classified under FSC 1650, Aircraft Hydraulic, Vacuum, and De-icing System Components. Status: active.
NSN 1650-00-404-1973 has 1 manufacturer part number on file: 3120021 (Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road)).
3 possible matches (shared part number, not a government interchangeability claim): 5315-01-208-6617, 6920-01-450-2691, 2990-01-675-9082. Verify interchangeability with system specifications before substitution.
Key specifications for 3120021: FSC Application Data: HYD SYSTEM,ACFT; General Characteristics Item Description: CRES 416 QQ-S-763 COND H,0.625 IN. LG,0.4195 IN. DIA IN; End Item Identification: 1650-00-045-7059. 2 specifications are 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 1650-00-404-1973 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.