PartsTable TECHNICAL DATA SHEET
NSN 4520-00-412-3832Government record, cited

Ignitor Spark, Heater4520-00-412-3832

NSN 4520-00-412-3832 · NIIN 004123832 · Part number A3162-6
Johnson S T Co · FSC 4520 — Space and Water Heating Equipment · FSG 45 — Plumbing, Heating, and Waste Disposal · CAGE 32223
Government record, cited
NSN 4520-00-412-3832 — this item is cataloged by the U.S. Government under National Stock Number 4520-00-412-3832. Manufacturer of record part number: A3162-6.
Also searched as  4520-00-412-3832 · 4520004123832 · NIIN 004123832 · 00-412-3832 · FSC 4520 Space and Water Heating Equipment · CAGE 32223 · A3162-6
Nearby stock numbers  ·
Features
  • Ignitor Spark,heater — FSC 4520
  • General Characteristics Item Description: CLOSED WOUND STEEL SPRING,0.172 IN.ID,2.250 IN.LG,TERMINAL 1 END IN
  • 1 manufacturer part number on file
  • Manufacturer of record: Johnson S T Co
Identification
  • NSN: 4520-00-412-3832
  • NIIN: 004123832
  • FSC: 4520 — Space and Water Heating Equipment
  • FSG: 45 — Plumbing, Heating, and Waste Disposal
  • Primary part number: A3162-6
  • Manufacturer: Johnson S T Co
General Description

The Ignitor Spark,heater, cataloged under National Stock Number 4520-00-412-3832, is classified within Federal Supply Class 4520 (Space and Water Heating Equipment) of the Plumbing, Heating, and Waste Disposal group. The manufacturer of record is Johnson S T Co. 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. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4520-00-412-3832
Primary Part NumberA3162-6
Item NameIgnitor Spark,heater
FSC / FSG4520 / 45 — Space and Water Heating Equipment
ManufacturerJohnson S T Co
StatusACTIVE
General Characteristics Item DescriptionCLOSED WOUND STEEL SPRING,0.172 IN.ID,2.250 IN.LG,TERMINAL 1 END IN
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
Cross-Reference Index
Part NumberManufacturer
A3162-6 PRIMARY Johnson S T Co (USA)
No interchangeability data on file.
Other items in FSC 4520 — Space and Water Heating Equipment
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4520-00-000-0098
HEATING ELEMENT,ELECTRICAL,NONIM
4520-00-000-0099
4520-00-000-0099 · Item name not on file
4520-00-001-1240
4520-00-001-1240 · Item name not on file
4520-00-001-3518
HEATING ELEMENT,ELECTRICAL,NONIM
4520-00-001-3519
HEATING ELEMENT,ELECTRICAL,IMMER
4520-00-001-6052
HEATING ELEMENT,ELECTRICAL,NONIM
4520-00-001-6298
HEATING ELEMENT,ELECTRICAL,NONIM
4520-00-001-7726
HEATER,DUCT TYPE,PORTABLE

Frequently Asked Questions

What is NSN 4520-00-412-3832?

NSN 4520-00-412-3832 is a Ignitor Spark,heater, manufactured by Johnson S T Co, classified under FSC 4520, Space and Water Heating Equipment. Status: active.

What part numbers are listed for NSN 4520-00-412-3832?

NSN 4520-00-412-3832 has 1 manufacturer part number on file: A3162-6 (Johnson S T Co).

What are the specifications of A3162-6?

Key specifications for A3162-6: General Characteristics Item Description: CLOSED WOUND STEEL SPRING,0.172 IN.ID,2.250 IN.LG,TERMINAL 1 END IN. 1 specification is documented in the U.S. Government catalog.

Is NSN 4520-00-412-3832 hazardous material?

No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.

Sources

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.

✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.
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