The Detector,heat,fixed, cataloged under National Stock Number 4240-01-174-0059, is classified within Federal Supply Class 4240 (Safety and Rescue Equipment) of the Fire Fighting, Rescue, and Safety Equipment group. The manufacturer of record is Edwards Signaling and Security Systems a Part of Ge Security. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4240-01-174-0059 |
| Primary Part Number | 283B-PL |
| Item Name | Detector,heat,fixed |
| FSC / FSG | 4240 / 42 — Safety and Rescue Equipment |
| Manufacturer | Edwards Signaling and Security Systems a Part of Ge Security |
| Status | ACTIVE |
| General Characteristics Item Description | METAL MTG PLATE 4.750IN. DIA; 4.750 IN. O/A DIA X 1.375 IN. O/A H; 135 DEGREES F RATING; 1 CIRCUIT; 625 FT MAX AREA COVERAGE 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 |
|---|---|
| 283B-PL PRIMARY | Edwards Signaling and Security Systems a Part of Ge Security (USA) |
| Reference | Meaning |
|---|---|
| 283A | 5/9 Secondary reference Edwards Signaling and Security Systems a Part of Ge Security |
NSN 4240-01-174-0059 is a Detector,heat,fixed, manufactured by Edwards Signaling and Security Systems a Part of Ge Security, classified under FSC 4240, Safety and Rescue Equipment. Status: active.
NSN 4240-01-174-0059 has 1 manufacturer part number on file: 283B-PL (Edwards Signaling and Security Systems a Part of Ge Security).
1 possible match (shared part number, not a government interchangeability claim): 4210-01-327-7776. Verify interchangeability with system specifications before substitution.
Key specifications for 283B-PL: General Characteristics Item Description: METAL MTG PLATE 4.750IN. DIA; 4.750 IN. O/A DIA X 1.375 IN. O/A H; 135 DEGREES F RATING; 1 CIRCUIT; 625 FT MAX AREA COVERAGE 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.