PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

6505-3205420PC1Valve,sea

Naval Ship Systems Command · NSN 4820-00-513-7671 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-513-7671 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-513-7671. Primary manufacturer part number: 6505-3205420PC1.
Features
  • Valve,sea — FSC 4820
  • 4 verified cross-references
  • Primary manufacturer: Naval Ship Systems Command
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve,sea, cataloged under National Stock Number 4820-00-513-7671, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Naval Ship Systems Command. This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-00-513-7671
Primary Part Number6505-3205420PC1
Item NameValve,sea
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerNaval Ship Systems Command
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
6160-00-136-802424550 INTERCHANGEABLE
Liner,battery Box-Battery Tray
Marathonnorco Aerospace, Inc. Dba Marathon Power Technologies Company
3455-00-243-21681-1561-0625 INTERCHANGEABLE
Cutter,milling,woodruff Keyseat
New York Twist Drill Inc
6680-00-614-965324577 INTERCHANGEABLE
Float,switch,liquid Level
Setra Systems, Inc. Dba Gems Sensors
5365-01-111-6625CB27410-007 INTERCHANGEABLE
Shim
Moog Inc. Dba Ampac-Isp Corp
5985-01-346-132847-00213-001 INTERCHANGEABLE
Switch,radio Frequency Transmiss
Raytheon Company
Cross-Reference Index
Part NumberManufacturer
6505-3205420PC1 PRIMARY Naval Ship Systems Command (USA)
24550 PRIMARY Lockheed Martin Corporation Div Rms (USA)
24550 Martin Marietta Technologies Inc Sub of Martin Marietta Corp Aero and Naval Systems (USA)
24550PC1 Unisys Corp Defense Systems C S D Field Engineering (USA)
Related Parts
6160-00-136-8024INTERCHANGEABLE
LINER,BATTERY BOX-BATTERY TRAY
24550
3455-00-243-2168INTERCHANGEABLE
CUTTER,MILLING,WOODRUFF KEYSEAT
1-1561-0625
6680-00-614-9653INTERCHANGEABLE
FLOAT,SWITCH,LIQUID LEVEL
24577
5365-01-111-6625INTERCHANGEABLE
SHIM
CB27410-007
5985-01-346-1328INTERCHANGEABLE
SWITCH,RADIO FREQUENCY TRANSMISS
47-00213-001

Frequently Asked Questions

What is NSN 4820-00-513-7671?

NSN 4820-00-513-7671 is a Valve,sea, manufactured by Naval Ship Systems Command, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-513-7671?

NSN 4820-00-513-7671 has 4 cross-referenced part numbers: 6505-3205420PC1 (Naval Ship Systems Command), 24550 (Lockheed Martin Corporation Div Rms), 24550 (Martin Marietta Technologies Inc Sub of Martin Marietta Corp Aero and Naval Systems), 24550PC1 (Unisys Corp Defense Systems C S D Field Engineering).

What NSN replaces 4820-00-513-7671?

There are 5 known substitutes for 4820-00-513-7671: 6160-00-136-8024, 3455-00-243-2168, 6680-00-614-9653 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 6505-3205420PC1?

Key specifications for 6505-3205420PC1: End Item Identification: UNDERWATER SEA LOGISTICS. 1 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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