Access. Tanks-Pumps4520-01-461-3553

NSN 4520-01-461-3553 · NIIN 014613553 · Part number BUILDING#2 CL.LOOP HOT WATER SY

Boiler & Heat Exchange Systems Inc. · FSC 4520 — Space and Water Heating Equipment · FSG 45 — Plumbing, Heating, and Waste Disposal · CAGE 1HVH0

Government record, cited

NSN 4520-01-461-3553 — this item is cataloged by the U.S. Government under National Stock Number 4520-01-461-3553. Manufacturer of record part number: BUILDING#2 CL.LOOP HOT WATER SY.

Also searched as 4520-01-461-3553 · 4520014613553 · NIIN 014613553 · 01-461-3553 · FSC 4520 Space and Water Heating Equipment · CAGE 1HVH0 · BUILDING#2 CL.LOOP HOT WATER SY

Nearby stock numbers ← 4520-01-461-3551 Access.tanks-Pumps · 4520-01-461-3554 Access. Tanks-Pumps →

Features

Access. Tanks-Pumps — FSC 4520
1 manufacturer part number on file
Manufacturer of record: Boiler & Heat Exchange Systems Inc.

Identification

NSN: 4520-01-461-3553
NIIN: 014613553
FSC: 4520 — Space and Water Heating Equipment
FSG: 45 — Plumbing, Heating, and Waste Disposal
Primary part number: BUILDING#2 CL.LOOP HOT WATER SY
Manufacturer: Boiler & Heat Exchange Systems Inc.

General Description

The Access. Tanks-Pumps, cataloged under National Stock Number 4520-01-461-3553, 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 Boiler & Heat Exchange Systems Inc.. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Catalog Facts

Item Name	Access. Tanks-Pumps
FSC / FSG	4520 — Space and Water Heating Equipment (FSG 45)
Manufacturers	Boiler & Heat Exchange Systems Inc. (CAGE 1HVH0)

Technical Specifications

Parameter	Value
NSN	4520-01-461-3553
Primary Part Number	BUILDING#2 CL.LOOP HOT WATER SY
Item Name	Access. Tanks-Pumps
FSC / FSG	4520 / 45 — Space and Water Heating Equipment
Manufacturer	Boiler & Heat Exchange Systems Inc.
Status	ACTIVE

Lifecycle & Compliance

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

Cross-Reference Index

Part Number	Manufacturer
BUILDING#2 CL.LOOP HOT WATER SY PRIMARY	Boiler & Heat Exchange Systems 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 4520-01-461-3553?

NSN 4520-01-461-3553 is a Access. Tanks-Pumps, manufactured by Boiler & Heat Exchange Systems Inc., classified under FSC 4520, Space and Water Heating Equipment. Status: active.

What part numbers are listed for NSN 4520-01-461-3553?

NSN 4520-01-461-3553 has 1 manufacturer part number on file: BUILDING#2 CL.LOOP HOT WATER SY (Boiler & Heat Exchange Systems Inc.).

Is NSN 4520-01-461-3553 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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