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NSN 4210-01-685-5477Government record, cited

Parts Kit, Fire Extinguisher4210-01-685-5477

NSN 4210-01-685-5477 · NIIN 016855477 · Part number 423521
Kidde Technologies Inc Dba Kidde Dual Spectrum Div Kidde Dual Spectrum · FSC 4210 — Firefighting Equipment · FSG 42 — Fire Fighting, Rescue, and Safety Equipment · CAGE 05BU0
Government record, cited
NSN 4210-01-685-5477 — this item is cataloged by the U.S. Government under National Stock Number 4210-01-685-5477. Manufacturer of record part number: 423521.
Also searched as  4210-01-685-5477 · 4210016855477 · NIIN 016855477 · 01-685-5477 · FSC 4210 Firefighting Equipment · CAGE 05BU0 · 423521
Nearby stock numbers  ·
Features
  • Parts Kit,fire Extinguisher — FSC 4210
  • Component Quantity: 4
  • Supply Items and Quantities: GAUGE ASSEMBLY (1); SEAL, GAUGE (1); O-RING, GAUGE, BLACK (1); O-RING, GAUGE, WHITE (1)
  • Component Document Origin: INDUSTRIAL
  • Document Source: 05BU0
  • 1 manufacturer part number on file
  • Manufacturer of record: Kidde Technologies Inc Dba Kidde Dual Spectrum Div Kidde Dual Spectrum
Identification
  • NSN: 4210-01-685-5477
  • NIIN: 016855477
  • FSC: 4210 — Firefighting Equipment
  • FSG: 42 — Fire Fighting, Rescue, and Safety Equipment
  • Primary part number: 423521
  • Manufacturer: Kidde Technologies Inc Dba Kidde Dual Spectrum Div Kidde Dual Spectrum
General Description

The Parts Kit,fire Extinguisher, cataloged under National Stock Number 4210-01-685-5477, 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 Kidde Dual Spectrum Div Kidde Dual Spectrum. Government technical data includes 4 specifications, 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
NSN4210-01-685-5477
Primary Part Number423521
Item NameParts Kit,fire Extinguisher
FSC / FSG4210 / 42 — Firefighting Equipment
ManufacturerKidde Technologies Inc Dba Kidde Dual Spectrum Div Kidde Dual Spectrum
StatusACTIVE
Component Quantity4
Supply Items and QuantitiesGAUGE ASSEMBLY (1); SEAL, GAUGE (1); O-RING, GAUGE, BLACK (1); O-RING, GAUGE, WHITE (1)
Component Document OriginINDUSTRIAL
Document Source05BU0
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardPossible hazard — SDS may be required (DLA HMIC P)
Criticality CodeX
Cross-Reference Index
Part NumberManufacturer
423521 PRIMARY Kidde Technologies Inc Dba Kidde Dual Spectrum Div Kidde Dual Spectrum (USA)
No interchangeability data on file.
Other items in FSC 4210 — Firefighting Equipment
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4210-00-001-3525
CYLINDER ASSEMBLY,LIQUID
4210-00-001-3526
CYLINDER ASSEMBLY,LIQUID
4210-00-003-6976
4210-00-003-6976 · Item name not on file
4210-00-004-8316
NOZZLE,FIRE EQUIPMENT
4210-00-005-1080
4210-00-005-1080 · Item name not on file
4210-00-005-7152
4210-00-005-7152 · Item name not on file
4210-00-005-7684
4210-00-005-7684 · Item name not on file
4210-00-006-6244
4210-00-006-6244 · Item name not on file

Frequently Asked Questions

What is NSN 4210-01-685-5477?

NSN 4210-01-685-5477 is a Parts Kit,fire Extinguisher, manufactured by Kidde Technologies Inc Dba Kidde Dual Spectrum Div Kidde Dual Spectrum, classified under FSC 4210, Firefighting Equipment. Status: active.

What part numbers are listed for NSN 4210-01-685-5477?

NSN 4210-01-685-5477 has 1 manufacturer part number on file: 423521 (Kidde Technologies Inc Dba Kidde Dual Spectrum Div Kidde Dual Spectrum).

What are the specifications of 423521?

Key specifications for 423521: Component Quantity: 4; Supply Items and Quantities: GAUGE ASSEMBLY (1); SEAL, GAUGE (1); O-RING, GAUGE, BLACK (1); O-RING, GAUGE, WHITE (1); Component Document Origin: INDUSTRIAL; Document Source: 05BU0. 4 specifications are documented in the U.S. Government catalog.

Is NSN 4210-01-685-5477 hazardous material?

Possible hazard — SDS may be required (DLA HMIC P). 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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