NSN 4520-01-505-0477 · NIIN 015050477 · Part number 512-6985464-F26
Naval Sea Systems Command · FSC 4520 — Space and Water Heating Equipment · FSG 45 — Plumbing, Heating, and Waste Disposal · CAGE 53711
Government record, cited
NSN 4520-01-505-0477 — this item is cataloged by the U.S. Government under National Stock Number 4520-01-505-0477. Manufacturer of record part number: 512-6985464-F26.
Also searched as4520-01-505-0477 ·
4520015050477 ·
NIIN 015050477 ·
01-505-0477 ·
FSC 4520 Space and Water Heating Equipment · CAGE 53711 · 512-6985464-F26 · H643-3210-F26
Nearby stock numbers← 4520-01-505-0468 Register, Air
·
4520-01-505-0828 Coupling, Air Conditioning-Heatin →
Features
Register,air — FSC 4520
Shape: SQUARE
Frame Removability: ANY ACCEPTABLE
Deflector Blade Operating Method: ANY ACCEPTABLE
Material: ALUMINUM
Blade Vertical Surface Axis Position: ANY ACCEPTABLE
Grille Quantity: 1
1 manufacturer part number on file
Identification
NSN: 4520-01-505-0477
NIIN: 015050477
FSC: 4520 — Space and Water Heating Equipment
FSG: 45 — Plumbing, Heating, and Waste Disposal
Primary part number: 512-6985464-F26
Manufacturer: Naval Sea Systems Command
General Description
The Register,air, cataloged under National Stock Number 4520-01-505-0477, 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. Government technical data includes 6 specifications, cited from the U.S. Government catalog. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
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 4520-01-505-0477?
NSN 4520-01-505-0477 is a Register,air, manufactured by Naval Sea Systems Command, classified under FSC 4520, Space and Water Heating Equipment. Status: active.
What part numbers are listed for NSN 4520-01-505-0477?
NSN 4520-01-505-0477 has 1 manufacturer part number on file: 512-6985464-F26 (Naval Sea Systems Command).
What are the specifications of 512-6985464-F26?
Key specifications for 512-6985464-F26: Shape: SQUARE; Overall Length: 9.000 INCHES NOMINAL IN; Overall Width: 9.000 INCHES NOMINAL IN; Frame Removability: ANY ACCEPTABLE. 6 specifications are documented in the U.S. Government catalog.
Is NSN 4520-01-505-0477 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.