PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

820-4385048-4Seal Ring,nuclear Coolant System

Naval Ship Systems Command · NSN 4470-00-001-4387 · FSC 4470 · No Item Name Available
Verified by PartsTable
NSN 4470-00-001-4387 — this item is cataloged by the U.S. Government under National Stock Number 4470-00-001-4387. Primary manufacturer part number: 820-4385048-4.
Features
  • Seal Ring,nuclear Coolant System — FSC 4470
  • Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH NAVICP MECH; ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS.
  • Criticality Code Justification: ZZZY
  • 2 verified cross-references
  • Primary manufacturer: Naval Ship Systems Command
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
General Description

The Seal Ring,nuclear Coolant System, cataloged under National Stock Number 4470-00-001-4387, is classified within Federal Supply Class 4470 (No Item Name Available) of the Furnace, Steam, Drying, Nuclear Reactors group. The primary manufacturer of record is Naval Ship Systems Command. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4470-00-001-4387
Primary Part Number820-4385048-4
Item NameSeal Ring,nuclear Coolant System
FSC / FSG4470 / 44 — No Item Name Available
ManufacturerNaval Ship Systems Command
StatusACTIVE
Reference Number Differentiating CharacteristicsMATERIAL WILL BE IN ACCORDANCE WITH NAVICP MECH; ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS.
Criticality Code JustificationZZZY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Cross-Reference Index
Part NumberManufacturer
820-4385048-4 Naval Ship Systems Command (USA)
820-4385048PC4 Naval Ship Systems Command (USA)
Related Parts in Furnace, Steam, Drying, Nuclear Reactors
4470-00-001-4386
NO ITEM NAME AVAILABLE
4470-00-001-4388
NO ITEM NAME AVAILABLE
4470-00-001-4390
SEAL RING,NUCLEAR COOLANT SYSTEM
4470-00-001-4391
NO ITEM NAME AVAILABLE
4470-00-001-4392
NO ITEM NAME AVAILABLE
4470-00-001-4393
NO ITEM NAME AVAILABLE
4470-00-001-4394
NO ITEM NAME AVAILABLE
4470-00-001-4395
NO ITEM NAME AVAILABLE

Frequently Asked Questions

What is NSN 4470-00-001-4387?

NSN 4470-00-001-4387 is a Seal Ring,nuclear Coolant System, manufactured by Naval Ship Systems Command, classified under FSC 4470 (No Item Name Available). Status: active.

What are the part numbers for NSN 4470-00-001-4387?

NSN 4470-00-001-4387 has 2 cross-referenced part numbers: 820-4385048-4 (Naval Ship Systems Command), 820-4385048PC4 (Naval Ship Systems Command).

What are the specifications of 820-4385048-4?

Key specifications for 820-4385048-4: Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH NAVICP MECH; ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS.; Criticality Code Justification: ZZZY. 2 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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