Register, Air4520-01-626-9540

NSN 4520-01-626-9540 · NIIN 016269540

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

Government record, cited

Also searched as 4520-01-626-9540 · 4520016269540 · NIIN 016269540 · 01-626-9540 · FSC 4520 Space and Water Heating Equipment

Nearby stock numbers ← 4520-01-626-9527 Heater, Duct Type, Stationary · 4520-01-626-9552 Heater, Duct Type, Stationary →

Features

Identification

NSN: 4520-01-626-9540
NIIN: 016269540
FSC: 4520 — Space and Water Heating Equipment
FSG: 45 — Plumbing, Heating, and Waste Disposal

General Description

The Register,air, cataloged under National Stock Number 4520-01-626-9540, 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Equipment) of the Plumbing, Heating, and Waste Disposal group. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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	Register,air
FSC / FSG	4520 — Space and Water Heating Equipment (FSG 45)

Technical Specifications

Parameter	Value
NSN	4520-01-626-9540
Item Name	Register,air
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
G6414W24X24	3/9 Design control — primary reference Sustainable Supply Company, Llc Dba Portablehandwashing.com

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 4520-01-626-9540?

NSN 4520-01-626-9540 is a Register,air, classified under FSC 4520, Space and Water Heating Equipment. Status: active.

Is NSN 4520-01-626-9540 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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