Patch, Exhaust Plate4520-01-609-9945

NSN 4520-01-609-9945 · NIIN 016099945

FSC 4520 — Space and Water Heating Equipment · FSG 45 — Plumbing, Heating, and Waste Disposal

Government record, cited

Also searched as 4520-01-609-9945 · 4520016099945 · NIIN 016099945 · 01-609-9945 · FSC 4520 Space and Water Heating Equipment

Nearby stock numbers ← 4520-01-609-8351 Heating Element, Electrical, Nonim · 4520-01-610-0551 Control Box Assembly, Portable Heater, Duct Type →

Features

Patch,exhaust Plate — FSC 4520

Identification

NSN: 4520-01-609-9945
NIIN: 016099945
FSC: 4520 — Space and Water Heating Equipment
FSG: 45 — Plumbing, Heating, and Waste Disposal

General Description

The Patch,exhaust Plate, cataloged under National Stock Number 4520-01-609-9945, is classified within Federal Supply Class 4520 (Space and Water Heating Equipment) of the Plumbing, Heating, and Waste Disposal group. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.

Catalog Facts

Item Name	Patch,exhaust Plate
FSC / FSG	4520 — Space and Water Heating Equipment (FSG 45)

Technical Specifications

Parameter	Value
NSN	4520-01-609-9945
Item Name	Patch,exhaust Plate
FSC / FSG	4520 / 45 — Space and Water Heating Equipment
Status	ACTIVE

Lifecycle & Compliance

Acquisition Status	ACTIVE
DEMIL Code	DEMIL A — No Demilitarization Required
Hazard	No hazard code in the DLA record (HMIC N)
Criticality Code	X

Cross-Reference Index

No manufacturer part numbers on file in the U.S. Government catalog.

Reference documents

Reference	Meaning
12074-GRN	3/2 Design control — primary reference U.S. Government activity

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 4520-01-609-9945?

NSN 4520-01-609-9945 is a Patch,exhaust Plate, classified under FSC 4520, Space and Water Heating Equipment. Status: active.

Is NSN 4520-01-609-9945 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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