The Detector,smoke, cataloged under National Stock Number 4210-01-040-5556, is classified within Federal Supply Class 4210 (Firefighting Equipment) of the Fire Fighting, Rescue, and Safety Equipment group. The manufacturer of record is Kidde Technologies, Inc Dba Fenwal Safety Systems Div Fenwall Safety Systems. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4210-01-040-5556 |
| Primary Part Number | 30-231-11 |
| Item Name | Detector,smoke |
| FSC / FSG | 4210 / 42 — Firefighting Equipment |
| Manufacturer | Kidde Technologies, Inc Dba Fenwal Safety Systems Div Fenwall Safety Systems |
| Status | ACTIVE |
| General Characteristics Item Description | 7.000 IN.O/A LG; 3.900 IN.O/A W; 2.400 IN.O/A HGTH; CONSISTS OF BASEPLATE,ALUMINUM ALLOY,AL5052-H32,ANODIZED PER MIL-A-8625,TYPE 2,BLACK; LABYRINTH COVER,STEELLUSTERLESS,BLACK; LABRYRINTH CORE,NO.22 GAGE SEAMLESS BRASS TUBING; NAMEPLATE,ALUMINUM,ANODIZED; CASE,NO.22 GAGE PERFORATED STEEL,DULL BLACK; 28 VOLT DC IN |
| 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 |
|---|---|
| 30-231-11 PRIMARY | Kidde Technologies, Inc Dba Fenwal Safety Systems Div Fenwall Safety Systems (USA) |
| Reference | Meaning |
|---|---|
| 30-231-11 | 5/9 Secondary reference Kidde Technologies, Inc Div Kidde Aerospace and Defense |
NSN 4210-01-040-5556 is a Detector,smoke, manufactured by Kidde Technologies, Inc Dba Fenwal Safety Systems Div Fenwall Safety Systems, classified under FSC 4210, Firefighting Equipment. Status: active.
NSN 4210-01-040-5556 has 1 manufacturer part number on file: 30-231-11 (Kidde Technologies, Inc Dba Fenwal Safety Systems Div Fenwall Safety Systems).
1 possible match (shared part number, not a government interchangeability claim): 2815-01-109-4778. Verify interchangeability with system specifications before substitution.
Key specifications for 30-231-11: General Characteristics Item Description: 7.000 IN.O/A LG; 3.900 IN.O/A W; 2.400 IN.O/A HGTH; CONSISTS OF BASEPLATE,ALUMINUM ALLOY,AL5052-H32,ANODIZED PER MIL-A-8625,TYPE 2,BLACK; LABYRINTH COVER,STEELLUSTERLESS,BLACK; LABRYRINTH CORE,NO.22 GAGE SEAMLESS BRASS TUBING; NAMEPLATE,ALUMINUM,ANODIZED; CASE,NO.22 GAGE PERFORATED STEEL,DULL BLACK; 28 VOLT DC IN. 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.