PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

H3315562 PIECE 21 TO 25Stem,fluid Valve

Naval Ship Systems Command · NSN 4820-01-203-1233 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-203-1233 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-203-1233. Primary manufacturer part number: H3315562 PIECE 21 TO 25.
Features
  • Stem,fluid Valve — FSC 4820
  • 8 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 4820-01-203-1233, 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 8 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4820-01-203-1233
Primary Part NumberH3315562 PIECE 21 TO 25
Item NameStem,fluid Valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerNaval Ship Systems Command
StatusCANCELLED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
4820-00-163-5163 INTERCHANGEABLE
Valve,safety Relief
4820-00-163-516439344006 INTERCHANGEABLE
Valve,safety Relief
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
4820-00-163-5171 INTERCHANGEABLE
Valve,safety Relief
4820-00-163-5175 INTERCHANGEABLE
Valve,safety Relief
4820-01-046-219824965 INTERCHANGEABLE
Rod,adjusting Ring
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
4820-01-046-219928186 INTERCHANGEABLE
Disk,valve
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
4820-01-046-702948621 INTERCHANGEABLE
Collar,spindle,valve
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
4820-01-046-7030S44945 INTERCHANGEABLE
Holder Assembly,disk
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
5310-01-046-855243449 INTERCHANGEABLE
Nut,spindle,valve
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
2910-01-046-8553100689 INTERCHANGEABLE
Nozzle,valve
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
Cross-Reference Index
Part NumberManufacturer
S32113 Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA)
H3315562 Naval Ship Systems Command (USA)
1185-12CN Eastern Gear Corporation (USA)
H3315562 PIECE 21 TO 25 PRIMARY Naval Ship Systems Command (USA)
SA32113 PRIMARY Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA)
S32113 AND 023167 PRIMARY Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA)
A-39344 PIECE 21 TO 25 Jarvis Engineering Co (USA)
A-39344 Jarvis Engineering Co (USA)
Related Parts
4820-00-163-5163INTERCHANGEABLE
VALVE,SAFETY RELIEF
4820-00-163-5164INTERCHANGEABLE
VALVE,SAFETY RELIEF
39344006
4820-00-163-5171INTERCHANGEABLE
VALVE,SAFETY RELIEF
4820-00-163-5175INTERCHANGEABLE
VALVE,SAFETY RELIEF
4820-01-046-2198INTERCHANGEABLE
ROD,ADJUSTING RING
24965
4820-01-046-2199INTERCHANGEABLE
DISK,VALVE
28186
4820-01-046-7029INTERCHANGEABLE
COLLAR,SPINDLE,VALVE
48621
4820-01-046-7030INTERCHANGEABLE
HOLDER ASSEMBLY,DISK
S44945
5310-01-046-8552INTERCHANGEABLE
NUT,SPINDLE,VALVE
43449
2910-01-046-8553INTERCHANGEABLE
NOZZLE,VALVE
100689
2910-01-046-8554INTERCHANGEABLE
NOZZLE,VALVE
101868
4820-01-047-0583INTERCHANGEABLE
ADJUSTING BOLT,VALVE
19873

Frequently Asked Questions

What is NSN 4820-01-203-1233?

NSN 4820-01-203-1233 is a Stem,fluid Valve, manufactured by Naval Ship Systems Command, classified under FSC 4820 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4820-01-203-1233?

NSN 4820-01-203-1233 has 8 cross-referenced part numbers: S32113 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team), H3315562 (Naval Ship Systems Command), 1185-12CN (Eastern Gear Corporation), H3315562 PIECE 21 TO 25 (Naval Ship Systems Command), SA32113 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team) and 3 more.

What NSN replaces 4820-01-203-1233?

There are 12 known substitutes for 4820-01-203-1233: 4820-00-163-5163, 4820-00-163-5164, 4820-00-163-5171 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of H3315562 PIECE 21 TO 25?

Key specifications for H3315562 PIECE 21 TO 25: Special Features: MATERIAL NICKEL COPPER ALLOY; MEDIA STEAM; End Item Identification: JARVIS ENGINEERING CO PILOT VALVE MODEL NO. HMP-F,SIZE 1 1/2 IN. IN. 2 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4820-01-203-1233 still in active supply?

NSN 4820-01-203-1233 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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