Register, Air4520-01-500-4988

NSN 4520-01-500-4988 · NIIN 015004988 · Part number 3CC25

Grainger Div of W W Grainger Inc · FSC 4520 — Space and Water Heating Equipment · FSG 45 — Plumbing, Heating, and Waste Disposal · CAGE 0BL49

Government record, cited

NSN 4520-01-500-4988 — this item is cataloged by the U.S. Government under National Stock Number 4520-01-500-4988. Manufacturer of record part number: 3CC25.

Also searched as 4520-01-500-4988 · 4520015004988 · NIIN 015004988 · 01-500-4988 · FSC 4520 Space and Water Heating Equipment · CAGE 0BL49 · 3CC25

Nearby stock numbers ← 4520-01-500-2543 Terminal, Ventilation Duct · 4520-01-500-5165 Heating Element, Electrical, Immer →

Features

Register,air — FSC 4520
Bar Adjustment Method: ANY ACCEPTABLE
Fin Spacing: 0.333 INCHES IN
Bar Adjustability: ADJUSTABLE
Blade Spacing: 0.333 INCHES IN
Grille Fin Type: FIXED HORIZONTAL
Shape: RECTANGULAR
Blade Quantity: 24

Identification

NSN: 4520-01-500-4988
NIIN: 015004988
FSC: 4520 — Space and Water Heating Equipment
FSG: 45 — Plumbing, Heating, and Waste Disposal
Primary part number: 3CC25
Manufacturer: Grainger Div of W W Grainger Inc

General Description

The Register,air, cataloged under National Stock Number 4520-01-500-4988, 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 Grainger Div of W W Grainger Inc. Government technical data includes 13 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

Parameter	Value
NSN	4520-01-500-4988
Primary Part Number	3CC25
Item Name	Register,air
FSC / FSG	4520 / 45 — Space and Water Heating Equipment
Manufacturer	Grainger Div of W W Grainger Inc
Status	ACTIVE
Bar Adjustment Method	ANY ACCEPTABLE
Fin Spacing	0.333 INCHES IN
Bar Adjustability	ADJUSTABLE
Blade Spacing	0.333 INCHES IN
Grille Fin Type	FIXED HORIZONTAL
Shape	RECTANGULAR
Blade Quantity	24
Grille Bar Position	HORIZONTAL
Frame Removability	ANY ACCEPTABLE
Deflector Blade Operating Method	ANY ACCEPTABLE
Material	STEEL
Blade Vertical Surface Axis Position	HORIZONTAL
Grille Quantity	24

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

Part Number	Manufacturer
3CC25 PRIMARY	Grainger Div of W W Grainger Inc (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 4520-01-500-4988?

NSN 4520-01-500-4988 is a Register,air, manufactured by Grainger Div of W W Grainger Inc, classified under FSC 4520, Space and Water Heating Equipment. Status: active.

What part numbers are listed for NSN 4520-01-500-4988?

NSN 4520-01-500-4988 has 1 manufacturer part number on file: 3CC25 (Grainger Div of W W Grainger Inc).

What are the specifications of 3CC25?

Key specifications for 3CC25: Bar Adjustment Method: ANY ACCEPTABLE; Fin Spacing: 0.333 INCHES IN; Bar Adjustability: ADJUSTABLE; Blade Spacing: 0.333 INCHES IN. 13 specifications are documented in the U.S. Government catalog.

Is NSN 4520-01-500-4988 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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