NSN 4520-01-503-6698 · NIIN 015036698 · Part number 054-500874-062 REV 1
Chromalox Inc · FSC 4520 — Space and Water Heating Equipment · FSG 45 — Plumbing, Heating, and Waste Disposal · CAGE 07131
Government record, cited
NSN 4520-01-503-6698 — this item is cataloged by the U.S. Government under National Stock Number 4520-01-503-6698. Manufacturer of record part number: 054-500874-062 REV 1.
Also searched as4520-01-503-6698 ·
4520015036698 ·
NIIN 015036698 ·
01-503-6698 ·
FSC 4520 Space and Water Heating Equipment · CAGE 07131 · 054-500874-062 REV 1 · NWHISB-2775E4XX · 500874062
Nearby stock numbers← 4520-01-503-6679 Heating Element, Electrical, Immer
·
4520-01-503-6986 Heater, Immersion, Liquid Fuel Fir →
Features
Jacket Assy,h20 Hea — FSC 4520
3 manufacturer part numbers on file
Manufacturer of record: Chromalox Inc
Identification
NSN: 4520-01-503-6698
NIIN: 015036698
FSC: 4520 — Space and Water Heating Equipment
FSG: 45 — Plumbing, Heating, and Waste Disposal
Primary part number: 054-500874-062 REV 1
Manufacturer: Chromalox Inc
General Description
The Jacket Assy,h20 Hea, cataloged under National Stock Number 4520-01-503-6698, 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 Chromalox Inc. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
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 4520-01-503-6698?
NSN 4520-01-503-6698 is a Jacket Assy,h20 Hea, manufactured by Chromalox Inc, classified under FSC 4520, Space and Water Heating Equipment. Status: active.
What part numbers are listed for NSN 4520-01-503-6698?
NSN 4520-01-503-6698 has 3 manufacturer part numbers on file: 054-500874-062 REV 1 (Chromalox Inc), NWHISB-2775E4XX (Chromalox Inc), 500874062 (Chromalox Inc).
Is NSN 4520-01-503-6698 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.