The Sensor,gaseous Mass Flow,concent, cataloged under National Stock Number 1660-00-658-3209, 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 Hamilton Sundstrand Corporation Dba Collins Aerospace. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1660-00-658-3209 |
| Primary Part Number | HS554287-6 |
| Item Name | Sensor,gaseous Mass Flow,concent |
| FSC / FSG | 1660 / 16 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment |
| Manufacturer | Hamilton Sundstrand Corporation Dba Collins Aerospace |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| HS554287-6 PRIMARY | Hamilton Sundstrand Corporation Dba Collins Aerospace (USA) |
| 554287-6 | Hamilton Sundstrand Corporation Dba Collins Aerospace (USA) |
| Reference | Meaning |
|---|---|
| 128SCEC134-41 | 7/9 Vendor item drawing reference Northrop Grumman Systems Corporation |
| 128SCEC134-41 | C/1 Advisory reference — outside the item-of-supply concept Northrop Grumman Systems Corporation |
NSN 1660-00-658-3209 is a Sensor,gaseous Mass Flow,concent, manufactured by Hamilton Sundstrand Corporation Dba Collins Aerospace, classified under FSC 1660, Aircraft Air Conditioning, Heating, and Pressurizing Equipment. Status: active.
NSN 1660-00-658-3209 has 2 manufacturer part numbers on file: HS554287-6 (Hamilton Sundstrand Corporation Dba Collins Aerospace), 554287-6 (Hamilton Sundstrand Corporation Dba Collins Aerospace).
Key specifications for HS554287-6: Part Name Assigned by Controlling Agency: SENSOR,TEMPERATURE. 0 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.
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.