NSN 4520-01-449-0687 · NIIN 014490687 · Part number 566-644315-AY98
Naval Sea Systems Command · FSC 4520 — Space and Water Heating Equipment · FSG 45 — Plumbing, Heating, and Waste Disposal · CAGE 53711
Government record, cited
NSN 4520-01-449-0687 — this item is cataloged by the U.S. Government under National Stock Number 4520-01-449-0687. Manufacturer of record part number: 566-644315-AY98.
Also searched as4520-01-449-0687 ·
4520014490687 ·
NIIN 014490687 ·
01-449-0687 ·
FSC 4520 Space and Water Heating Equipment · CAGE 53711 · 566-644315-AY98 · 566-6404315-AY9 8
Nearby stock numbers← 4520-01-448-9596 Heater, Water, Electric
·
4520-01-449-1840 Heater, Space, Electric →
Features
Lock Assy Upper — FSC 4520
1 manufacturer part number on file
Manufacturer of record: Naval Sea Systems Command
Identification
NSN: 4520-01-449-0687
NIIN: 014490687
FSC: 4520 — Space and Water Heating Equipment
FSG: 45 — Plumbing, Heating, and Waste Disposal
Primary part number: 566-644315-AY98
Manufacturer: Naval Sea Systems Command
General Description
The Lock Assy Upper, cataloged under National Stock Number 4520-01-449-0687, 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 Naval Sea Systems Command. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
C/1Advisory reference — outside the item-of-supply concept
Zf Industrieantriebe Witten Gmbh
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 4520-01-449-0687?
NSN 4520-01-449-0687 is a Lock Assy Upper, manufactured by Naval Sea Systems Command, classified under FSC 4520, Space and Water Heating Equipment. Status: active.
What part numbers are listed for NSN 4520-01-449-0687?
NSN 4520-01-449-0687 has 1 manufacturer part number on file: 566-644315-AY98 (Naval Sea Systems Command).
Is NSN 4520-01-449-0687 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.