PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1889568 ASSY CF 1 1/2 IN PC7Stem,fluid Valve

Naval Sea Systems Command · NSN 4820-01-463-9038 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-463-9038 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-463-9038. Primary manufacturer part number: 1889568 ASSY CF 1 1/2 IN PC7.
Features
  • Stem,fluid Valve — FSC 4820
  • Material: NICKEL ALLOY
  • Stem Actuating End Type: THREADED EXTERNALLY
  • Valve Size for Which Designed: 1.5000 INCHES IN
  • Valve Type for Which Designed: GLOBE
  • 4 verified cross-references
  • Primary manufacturer: Naval Sea Systems Command
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Nickel Alloy construction
General Description

The Stem,fluid Valve, cataloged under National Stock Number 4820-01-463-9038, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Naval Sea Systems Command. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 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
NSN4820-01-463-9038
Primary Part Number1889568 ASSY CF 1 1/2 IN PC7
Item NameStem,fluid Valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerNaval Sea Systems Command
StatusACTIVE
MaterialNICKEL ALLOY
Stem Actuating End TypeTHREADED EXTERNALLY
Valve Size for Which Designed1.5000 INCHES IN
Valve Type for Which DesignedGLOBE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
4820-01-310-76901889568 ASSEMBLY C 1/2IN INTERCHANGEABLE
Valve,globe
Naval Ship Systems Command
Cross-Reference Index
Part NumberManufacturer
1889568 Naval Sea Systems Command (USA)
845-1889568ASSY Naval Ship Systems Command (USA)
1889568 ASSY CF Naval Sea Systems Command (USA)
1889568 ASSY CF 1 1/2 IN PC7 PRIMARY Naval Sea Systems Command (USA)
Related Parts
4820-01-310-7690INTERCHANGEABLE
VALVE,GLOBE
1889568 ASSEMBLY C 1/2IN

Frequently Asked Questions

What is NSN 4820-01-463-9038?

NSN 4820-01-463-9038 is a Stem,fluid Valve, manufactured by Naval Sea Systems Command, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-463-9038?

NSN 4820-01-463-9038 has 4 cross-referenced part numbers: 1889568 (Naval Sea Systems Command), 845-1889568ASSY (Naval Ship Systems Command), 1889568 ASSY CF (Naval Sea Systems Command), 1889568 ASSY CF 1 1/2 IN PC7 (Naval Sea Systems Command).

What NSN replaces 4820-01-463-9038?

There is 1 known substitute for 4820-01-463-9038: 4820-01-310-7690. Verify interchangeability with system specifications before substitution.

What are the specifications of 1889568 ASSY CF 1 1/2 IN PC7?

Key specifications for 1889568 ASSY CF 1 1/2 IN PC7: Material: NICKEL ALLOY; Stem Actuating End Type: THREADED EXTERNALLY; End Item Identification: W/S STURGEON CLASS SSN; Valve Size for Which Designed: 1.5000 INCHES IN. 6 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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