The Valve,vapor Control, cataloged under National Stock Number 1660-01-317-4557, is classified within Federal Supply Class 1660 (Aircraft Air Conditioning, Heating, and Pressurizing Equipment) of the Aircraft Components and Accessories group. The manufacturer of record is Honeywell Limited Dba Honeywell Aerospace Toronto Div Aerospace-Toronto. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1660-01-317-4557 |
| Primary Part Number | 624300-1-1 |
| Item Name | Valve,vapor Control |
| FSC / FSG | 1660 / 16 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment |
| Manufacturer | Honeywell Limited Dba Honeywell Aerospace Toronto Div Aerospace-Toronto |
| Status | ACTIVE |
| FSC Application Data | TEST EQUIPMENT |
| General Characteristics Item Description | O/A DIMS 5.050 IN. LG,3.550 IN. W,3.900 IN. H 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 |
| Part Number | Manufacturer |
|---|---|
| 624300-1-1 PRIMARY | Honeywell Limited Dba Honeywell Aerospace Toronto Div Aerospace-Toronto (CAN) |
| 123SCEC5160-29 | Northrop Grumman Systems Corporation (USA) |
NSN 1660-01-317-4557 is a Valve,vapor Control, manufactured by Honeywell Limited Dba Honeywell Aerospace Toronto Div Aerospace-Toronto, classified under FSC 1660, Aircraft Air Conditioning, Heating, and Pressurizing Equipment. Status: active.
NSN 1660-01-317-4557 has 2 manufacturer part numbers on file: 624300-1-1 (Honeywell Limited Dba Honeywell Aerospace Toronto Div Aerospace-Toronto), 123SCEC5160-29 (Northrop Grumman Systems Corporation).
Key specifications for 624300-1-1: FSC Application Data: TEST EQUIPMENT; General Characteristics Item Description: O/A DIMS 5.050 IN. LG,3.550 IN. W,3.900 IN. H IN; End Item Identification: A-4 ACFT. 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 1660-01-317-4557 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.