The Igniter,spark,aircraft Heater, cataloged under National Stock Number 1660-00-008-4058, 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 5 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 1660-00-008-4058 |
| Primary Part Number | 627430-1-1 |
| Item Name | Igniter,spark,aircraft Heater |
| 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 | HEAT AND VENT SYSTEM,AIR CONDITIONING,ACFT |
| Length | 30.130 INCHES MAXIMUM IN |
| Polarization Feature | NOT INCLUDED |
| Diameter | 0.550 INCHES MINIMUM AND 0.570 INCHES MAXIMUM IN |
| Plug Design | STRAIGHT |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 627430-1-1 PRIMARY | Honeywell Limited Dba Honeywell Aerospace Toronto Div Aerospace-Toronto (CAN) |
| 1102-1A | Avtechtyee Inc Dba Avtech (USA) |
| Reference | Meaning |
|---|---|
| 10-30481-2 | 5/2 Secondary reference U.S. Government activity |
NSN 1660-00-008-4058 is a Igniter,spark,aircraft Heater, 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 1660-00-008-4058 has 2 manufacturer part numbers on file: 627430-1-1 (Honeywell Limited Dba Honeywell Aerospace Toronto Div Aerospace-Toronto), 1102-1A (Avtechtyee Inc Dba Avtech).
1 possible match (shared part number, not a government interchangeability claim): 9540-01-071-4739. Verify interchangeability with system specifications before substitution.
Key specifications for 627430-1-1: FSC Application Data: HEAT AND VENT SYSTEM,AIR CONDITIONING,ACFT; Length: 30.130 INCHES MAXIMUM IN; Polarization Feature: NOT INCLUDED; Diameter: 0.550 INCHES MINIMUM AND 0.570 INCHES MAXIMUM IN. 5 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 1660-00-008-4058 has DEMIL Code Q. 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.