NSN 4520-01-559-0171 · NIIN 015590171 · Part number 51777U
Hydro Engineering Innovation, Llc · FSC 4520 — Space and Water Heating Equipment · FSG 45 — Plumbing, Heating, and Waste Disposal · CAGE 64030
Government record, cited
NSN 4520-01-559-0171 — this item is cataloged by the U.S. Government under National Stock Number 4520-01-559-0171. Manufacturer of record part number: 51777U.
Also searched as4520-01-559-0171 ·
4520015590171 ·
NIIN 015590171 ·
01-559-0171 ·
FSC 4520 Space and Water Heating Equipment · CAGE 64030 · 51777U
Manufacturer of record: Hydro Engineering Innovation, Llc
Identification
NSN: 4520-01-559-0171
NIIN: 015590171
FSC: 4520 — Space and Water Heating Equipment
FSG: 45 — Plumbing, Heating, and Waste Disposal
Primary part number: 51777U
Manufacturer: Hydro Engineering Innovation, Llc
General Description
The Igniter,spark,fuel, cataloged under National Stock Number 4520-01-559-0171, 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 Hydro Engineering Innovation, Llc. The record lists 1 manufacturer part number 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 4520-01-559-0171?
NSN 4520-01-559-0171 is a Igniter,spark,fuel, manufactured by Hydro Engineering Innovation, Llc, classified under FSC 4520, Space and Water Heating Equipment. Status: active.
What part numbers are listed for NSN 4520-01-559-0171?
NSN 4520-01-559-0171 has 1 manufacturer part number on file: 51777U (Hydro Engineering Innovation, Llc).
What are the specifications of 51777U?
Key specifications for 51777U: Special Features: 5/3000 GHOTT/M PRESSURE WASHER. 0 specifications are documented in the U.S. Government catalog.
Is NSN 4520-01-559-0171 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.