PartsTable TECHNICAL DATA SHEET

NSN 4520-01-357-6376Government record, cited

Heater, Special4520-01-357-6376

NSN 4520-01-357-6376 · NIIN 013576376 · Part number 51969A

Teledyne Micropac, Inc. · FSC 4520 — Space and Water Heating Equipment · FSG 45 — Plumbing, Heating, and Waste Disposal · CAGE 31757

Government record, cited

NSN 4520-01-357-6376 — this item is cataloged by the U.S. Government under National Stock Number 4520-01-357-6376. Manufacturer of record part number: 51969A.

Also searched as 4520-01-357-6376 · 4520013576376 · NIIN 013576376 · 01-357-6376 · FSC 4520 Space and Water Heating Equipment · CAGE 31757 · 51969A · 1A20164H01

Nearby stock numbers ← 4520-01-357-6375 · 4520-01-357-7012 Heating Element, Electrical, Nonim →

Features

Heater,special — FSC 4520
1 manufacturer part number on file
Manufacturer of record: Teledyne Micropac, Inc.

Identification

NSN: 4520-01-357-6376
NIIN: 013576376
FSC: 4520 — Space and Water Heating Equipment
FSG: 45 — Plumbing, Heating, and Waste Disposal
Primary part number: 51969A
Manufacturer: Teledyne Micropac, Inc.

General Description

The Heater,special, cataloged under National Stock Number 4520-01-357-6376, 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 Teledyne Micropac, Inc.. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	4520-01-357-6376
Primary Part Number	51969A
Item Name	Heater,special
FSC / FSG	4520 / 45 — Space and Water Heating Equipment
Manufacturer	Teledyne Micropac, Inc.
Status	ACTIVE

Lifecycle & Compliance

Acquisition Status	ACTIVE
DEMIL Code	DEMIL B — Remove Demilitarization Key Points
Hazard	No hazard code in the DLA record (HMIC N)
Criticality Code	X

Cross-Reference Index

Part Number	Manufacturer
51969A	Teledyne Micropac, Inc. (USA)

Reference documents

Reference	Meaning
1A20164H01	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 4520-01-357-6376?

NSN 4520-01-357-6376 is a Heater,special, manufactured by Teledyne Micropac, Inc., classified under FSC 4520, Space and Water Heating Equipment. Status: active.

What part numbers are listed for NSN 4520-01-357-6376?

NSN 4520-01-357-6376 has 1 manufacturer part number on file: 51969A (Teledyne Micropac, Inc.).

What are the specifications of 51969A?

Key specifications for 51969A: End Item Identification: MODE-S BEACON INTERROGATOR. 0 specifications are documented in the U.S. Government catalog.

Is NSN 4520-01-357-6376 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.

What is the DEMIL code for NSN 4520-01-357-6376?

NSN 4520-01-357-6376 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.

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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