Register, Air4520-01-379-4595

NSN 4520-01-379-4595 · NIIN 013794595 · Part number 1988K29

Mcmaster-Carr Supply Co · FSC 4520 — Space and Water Heating Equipment · FSG 45 — Plumbing, Heating, and Waste Disposal · CAGE 39428

Government record, cited

NSN 4520-01-379-4595 — this item is cataloged by the U.S. Government under National Stock Number 4520-01-379-4595. Manufacturer of record part number: 1988K29.

Also searched as 4520-01-379-4595 · 4520013794595 · NIIN 013794595 · 01-379-4595 · FSC 4520 Space and Water Heating Equipment · CAGE 39428 · 1988K29

Nearby stock numbers ← 4520-01-379-3575 Diffuser, Landing Craft · 4520-01-379-4725 Diffuser, Landing Craft →

Features

Register,air — FSC 4520
Overall Diameter: 12.000 INCHES NOMINAL IN
Shape: ROUND
Material: STEEL
1 manufacturer part number on file
Manufacturer of record: Mcmaster-Carr Supply Co

Identification

NSN: 4520-01-379-4595
NIIN: 013794595
FSC: 4520 — Space and Water Heating Equipment
FSG: 45 — Plumbing, Heating, and Waste Disposal
Primary part number: 1988K29
Manufacturer: Mcmaster-Carr Supply Co

General Description

The Register,air, cataloged under National Stock Number 4520-01-379-4595, 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 Mcmaster-Carr Supply Co. Government technical data includes 3 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	4520-01-379-4595
Primary Part Number	1988K29
Item Name	Register,air
FSC / FSG	4520 / 45 — Space and Water Heating Equipment
Manufacturer	Mcmaster-Carr Supply Co
Status	ACTIVE
Overall Diameter	12.000 INCHES NOMINAL IN
Shape	ROUND
Material	STEEL

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
1988K29 PRIMARY	Mcmaster-Carr Supply 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 4520-01-379-4595?

NSN 4520-01-379-4595 is a Register,air, manufactured by Mcmaster-Carr Supply Co, classified under FSC 4520, Space and Water Heating Equipment. Status: active.

What part numbers are listed for NSN 4520-01-379-4595?

NSN 4520-01-379-4595 has 1 manufacturer part number on file: 1988K29 (Mcmaster-Carr Supply Co).

What are the specifications of 1988K29?

Key specifications for 1988K29: Overall Diameter: 12.000 INCHES NOMINAL IN; Shape: ROUND; Material: STEEL. 3 specifications are documented in the U.S. Government catalog.

Is NSN 4520-01-379-4595 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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