PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

V3102-A-PORT25.507-25.600IN.DIAValve,gate Special

Naval Sea Systems Command · NSN 4470-01-046-8401 · FSC 4470 · No Item Name Available
Verified by PartsTable
NSN 4470-01-046-8401 — this item is cataloged by the U.S. Government under National Stock Number 4470-01-046-8401. Primary manufacturer part number: V3102-A-PORT25.507-25.600IN.DIA.
Features
  • Valve,gate Special — FSC 4470
  • Criticality Code Justification: ZZZY
  • Reference Number Differentiating Characteristics: SELECTED AND TESTED FOR NUCLEAR PROPULSION PLANT SYSTEMS
  • 4 verified cross-references
  • Primary manufacturer: Naval Sea Systems Command
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve,gate Special, cataloged under National Stock Number 4470-01-046-8401, 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 Sea Systems Command. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4470-01-046-8401
Primary Part NumberV3102-A-PORT25.507-25.600IN.DIA
Item NameValve,gate Special
FSC / FSG4470 / 44 — No Item Name Available
ManufacturerNaval Sea Systems Command
StatusACTIVE
Criticality Code JustificationZZZY
Reference Number Differentiating CharacteristicsSELECTED AND TESTED FOR NUCLEAR PROPULSION PLANT SYSTEMS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
4470-00-935-5533 INTERCHANGEABLE
Valve,special
Cross-Reference Index
Part NumberManufacturer
V3102-A-PORT25.507-25.600IN.DIA Naval Sea Systems Command (USA)
820-2178450 Naval Ship Systems Command (USA)
820-2178450 Crane Co Div Valve Div (USA)
820-2178450-TYPE-V-3102A Naval Sea Systems Command (USA)
Related Parts
4470-00-935-5533INTERCHANGEABLE
VALVE,SPECIAL

Frequently Asked Questions

What is NSN 4470-01-046-8401?

NSN 4470-01-046-8401 is a Valve,gate Special, manufactured by Naval Sea Systems Command, classified under FSC 4470 (No Item Name Available). Status: active.

What are the part numbers for NSN 4470-01-046-8401?

NSN 4470-01-046-8401 has 4 cross-referenced part numbers: V3102-A-PORT25.507-25.600IN.DIA (Naval Sea Systems Command), 820-2178450 (Naval Ship Systems Command), 820-2178450 (Crane Co Div Valve Div), 820-2178450-TYPE-V-3102A (Naval Sea Systems Command).

What NSN replaces 4470-01-046-8401?

There is 1 known substitute for 4470-01-046-8401: 4470-00-935-5533. Verify interchangeability with system specifications before substitution.

What are the specifications of V3102-A-PORT25.507-25.600IN.DIA?

Key specifications for V3102-A-PORT25.507-25.600IN.DIA: Criticality Code Justification: ZZZY; Reference Number Differentiating Characteristics: SELECTED AND TESTED FOR NUCLEAR PROPULSION PLANT SYSTEMS. 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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