PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

571-4000-1303807REVAPCITEM261Stem,fluid Valve

Naval Ship Systems Command · NSN 4820-00-399-2641 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-399-2641 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-399-2641. Primary manufacturer part number: 571-4000-1303807REVAPCITEM261.
Features
  • Stem,fluid Valve — FSC 4820
  • 10 verified cross-references
  • Primary manufacturer: Naval Ship Systems Command
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Stem,fluid Valve, cataloged under National Stock Number 4820-00-399-2641, 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 10 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-00-399-2641
Primary Part Number571-4000-1303807REVAPCITEM261
Item NameStem,fluid Valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerNaval Ship Systems Command
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5315-00-010-33860900807-9 INTERCHANGEABLE
Pin,cotter
Agco Corp Parts Opn
8345-00-249-6230 INTERCHANGEABLE
Flag,individual
8345-00-249-6231 INTERCHANGEABLE
Flag,individual
5360-00-330-7456 INTERCHANGEABLE
Spring,helical,compression
5315-00-375-9155155-300094-00 INTERCHANGEABLE
Pin,shoulder,headless
Guardian Electric Manufacturing Co Div Guardian Electric Mfg Co
4320-01-416-5967P-194 INTERCHANGEABLE
Nut,impeller
Alfred Conhagen, Inc.
Cross-Reference Index
Part NumberManufacturer
P194 Clark-Reliance Llc Dba Jerguson Gage & Valve (USA)
571-4000-1303807REVAPCITEM261 PRIMARY Naval Ship Systems Command (USA)
E180PC34 Clark-Reliance Llc Dba Jerguson Gage & Valve (USA)
1JH959REVAPCITEM261 Westinghouse Electric Corp (USA)
JMS-3874 PRIMARY Clark-Reliance Llc Dba Jerguson Gage & Valve (USA)
3160424PC20 PRIMARY Naval Ship Systems Command (USA)
E174PC34 Clark-Reliance Llc Dba Jerguson Gage & Valve (USA)
P194-Q1 Clark-Reliance Llc Dba Jerguson Gage & Valve (USA)
E172PC34 Clark-Reliance Llc Dba Jerguson Gage & Valve (USA)
1JH1372PC20 Westinghouse Electric Corp (USA)
Related Parts
5315-00-010-3386INTERCHANGEABLE
PIN,COTTER
0900807-9
8345-00-249-6230INTERCHANGEABLE
FLAG,INDIVIDUAL
8345-00-249-6231INTERCHANGEABLE
FLAG,INDIVIDUAL
5360-00-330-7456INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
5315-00-375-9155INTERCHANGEABLE
PIN,SHOULDER,HEADLESS
155-300094-00
4320-01-416-5967INTERCHANGEABLE
NUT,IMPELLER
P-194

Frequently Asked Questions

What is NSN 4820-00-399-2641?

NSN 4820-00-399-2641 is a Stem,fluid Valve, manufactured by Naval Ship Systems Command, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-399-2641?

NSN 4820-00-399-2641 has 10 cross-referenced part numbers: P194 (Clark-Reliance Llc Dba Jerguson Gage & Valve), 571-4000-1303807REVAPCITEM261 (Naval Ship Systems Command), E180PC34 (Clark-Reliance Llc Dba Jerguson Gage & Valve), 1JH959REVAPCITEM261 (Westinghouse Electric Corp), JMS-3874 (Clark-Reliance Llc Dba Jerguson Gage & Valve) and 5 more.

What NSN replaces 4820-00-399-2641?

There are 6 known substitutes for 4820-00-399-2641: 5315-00-010-3386, 8345-00-249-6230, 8345-00-249-6231 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 571-4000-1303807REVAPCITEM261?

Key specifications for 571-4000-1303807REVAPCITEM261: End Item Identification: H-2 SEASPRITE HELICOPTER. 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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