The Base,alarm,smoke, cataloged under National Stock Number 6350-01-175-2055, is classified within Federal Supply Class 6350 (Miscellaneous Alarm, Signal, and Security Detection Systems) of the Alarm, Signal, and Security Detection Systems group. The manufacturer of record is Hochiki America Corporation Dba Hochiki America Corp. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6350-01-175-2055 |
| Primary Part Number | HA-L2R(SW) |
| Item Name | Base,alarm,smoke |
| FSC / FSG | 6350 / 63 — Miscellaneous Alarm, Signal, and Security Detection Systems |
| Manufacturer | Hochiki America Corporation Dba Hochiki America Corp |
| Status | ACTIVE |
| General Characteristics Item Description | FLUSH MOUNT; 6.500 IN. DIA; 7.04 OZ MOMENTARY SWITCH; BIFURCATED CONTACTS; FLAME RETARDANT PLASTIC FR-1 OR BETTER OZ |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| HA-L2R(SW) PRIMARY | Hochiki America Corporation Dba Hochiki America Corp (USA) |
| ST-20664-5 | Wintec Llc (USA) |
| Reference | Meaning |
|---|---|
| ST-20664-5 | 5/9 Secondary reference Brunswick Corp Defense Div |
NSN 6350-01-175-2055 is a Base,alarm,smoke, manufactured by Hochiki America Corporation Dba Hochiki America Corp, classified under FSC 6350, Miscellaneous Alarm, Signal, and Security Detection Systems. Status: active.
NSN 6350-01-175-2055 has 2 manufacturer part numbers on file: HA-L2R(SW) (Hochiki America Corporation Dba Hochiki America Corp), ST-20664-5 (Wintec Llc).
Key specifications for HA-L2R(SW): General Characteristics Item Description: FLUSH MOUNT; 6.500 IN. DIA; 7.04 OZ MOMENTARY SWITCH; BIFURCATED CONTACTS; FLAME RETARDANT PLASTIC FR-1 OR BETTER OZ. 1 specification is documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). 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.