NSN 4520-01-630-8174 · NIIN 016308174 · Part number 260-1556
Caterpillar Inc Div Caterpillar Defense · FSC 4520 — Space and Water Heating Equipment · FSG 45 — Plumbing, Heating, and Waste Disposal · CAGE 11083
Government record, cited
NSN 4520-01-630-8174 — this item is cataloged by the U.S. Government under National Stock Number 4520-01-630-8174. Manufacturer of record part number: 260-1556.
Also searched as4520-01-630-8174 ·
4520016308174 ·
NIIN 016308174 ·
01-630-8174 ·
FSC 4520 Space and Water Heating Equipment · CAGE 11083 · 260-1556 · 10465004
Manufacturer of record: Caterpillar Inc Div Caterpillar Defense
Identification
NSN: 4520-01-630-8174
NIIN: 016308174
FSC: 4520 — Space and Water Heating Equipment
FSG: 45 — Plumbing, Heating, and Waste Disposal
Primary part number: 260-1556
Manufacturer: Caterpillar Inc Div Caterpillar Defense
General Description
The Heating Element,electrical,immer, cataloged under National Stock Number 4520-01-630-8174, 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 Caterpillar Inc Div Caterpillar Defense. Government technical data includes 1 specification, cited from the U.S. Government catalog. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
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 4520-01-630-8174?
NSN 4520-01-630-8174 is a Heating Element,electrical,immer, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 4520, Space and Water Heating Equipment. Status: active.
What part numbers are listed for NSN 4520-01-630-8174?
NSN 4520-01-630-8174 has 2 manufacturer part numbers on file: 260-1556 (Finning (uk) Ltd), 260-1556 (Caterpillar Inc Div Caterpillar Defense).
What are the specifications of 260-1556?
Key specifications for 260-1556: Body Style: TUBULAR, SCREW TYPE; Part Name Assigned by Controlling Agency: ELEMENT AS-JACKET WATER HEATER. 1 specification is documented in the U.S. Government catalog.
Is NSN 4520-01-630-8174 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.