PartsTable TECHNICAL DATA SHEET

NSN 4520-00-359-9522Government record, cited

Housing4520-00-359-9522

NSN 4520-00-359-9522 · NIIN 003599522 · Part number 739001113

L & L Boiler Maintenance Inc · FSC 4520 — Space and Water Heating Equipment · FSG 45 — Plumbing, Heating, and Waste Disposal · CAGE 0ATF2

Government record, cited

NSN 4520-00-359-9522 — this item is cataloged by the U.S. Government under National Stock Number 4520-00-359-9522. Manufacturer of record part number: 739001113.

Also searched as 4520-00-359-9522 · 4520003599522 · NIIN 003599522 · 00-359-9522 · FSC 4520 Space and Water Heating Equipment · CAGE 0ATF2 · 739001113 · 1470-36-8

Nearby stock numbers ← 4520-00-359-9485 · 4520-00-359-9524 Housing →

Features

Housing — FSC 4520
2 manufacturer part numbers on file
Manufacturer of record: L & L Boiler Maintenance Inc

Identification

NSN: 4520-00-359-9522
NIIN: 003599522
FSC: 4520 — Space and Water Heating Equipment
FSG: 45 — Plumbing, Heating, and Waste Disposal
Primary part number: 739001113
Manufacturer: L & L Boiler Maintenance Inc

General Description

The Housing, cataloged under National Stock Number 4520-00-359-9522, 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 L & L Boiler Maintenance Inc. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.

Catalog Facts

Item Name	Housing
FSC / FSG	4520 — Space and Water Heating Equipment (FSG 45)
Manufacturers	Ametek Inc Heat Transfer Div (CAGE 60883); L & L Boiler Maintenance Inc (CAGE 0ATF2)

Technical Specifications

Parameter	Value
NSN	4520-00-359-9522
Primary Part Number	739001113
Item Name	Housing
FSC / FSG	4520 / 45 — Space and Water Heating Equipment
Manufacturer	L & L Boiler Maintenance 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
1470-36-8	Ametek Inc Heat Transfer Div (USA)
739001113 PRIMARY	L & L Boiler Maintenance Inc (USA)

Reference documents

Reference	Meaning
739001113	5/9 Secondary reference D & J Parts Inc

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 4520-00-359-9522?

NSN 4520-00-359-9522 is a Housing, manufactured by L & L Boiler Maintenance Inc, classified under FSC 4520, Space and Water Heating Equipment. Status: active.

What part numbers are listed for NSN 4520-00-359-9522?

NSN 4520-00-359-9522 has 2 manufacturer part numbers on file: 1470-36-8 (Ametek Inc Heat Transfer Div), 739001113 (L & L Boiler Maintenance Inc).

Is NSN 4520-00-359-9522 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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