PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

233188-1 ITEM 3Stem,fluid Valve

Marotta Controls Inc · NSN 4820-01-145-7755 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-145-7755 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-145-7755. Primary manufacturer part number: 233188-1 ITEM 3.
Features
  • Stem,fluid Valve — FSC 4820
  • Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
  • Criticality Code Justification: ZZZY
  • 5 verified cross-references
  • Primary manufacturer: Marotta Controls Inc
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Stem,fluid Valve, cataloged under National Stock Number 4820-01-145-7755, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Marotta Controls Inc. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-145-7755
Primary Part Number233188-1 ITEM 3
Item NameStem,fluid Valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerMarotta Controls Inc
StatusACTIVE
Reference Number Differentiating CharacteristicsMATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
Criticality Code JustificationZZZY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
5330-00-316-3403 INTERCHANGEABLE
Packing,preformed
5330-00-332-3445 INTERCHANGEABLE
Retainer,packing
4820-00-758-5603041412CF INTERCHANGEABLE
Stem,fluid Valve
Admiral Valve Llc Dba Cpv Manufacturing
4820-00-868-2588025462DC INTERCHANGEABLE
Seat,valve
Admiral Valve Llc Dba Cpv Manufacturing
4820-01-145-7750 INTERCHANGEABLE
Disk and Guide Assembly
5330-01-146-1407 INTERCHANGEABLE
Retainer,packing
5331-01-232-4059 INTERCHANGEABLE
O-Ring
4820-01-241-2050041412CF INTERCHANGEABLE
Stem,fluid Valve
Admiral Valve Llc Dba Cpv Manufacturing
4820-01-341-4337 INTERCHANGEABLE
Stem,fluid Valve
5950-01-408-0585233188-1 INTERCHANGEABLE
Coil,electrical
Cubic Defense Applications, Inc.
Cross-Reference Index
Part NumberManufacturer
233188-1 ITEM 3 Marotta Controls Inc (USA)
233188-1 Marotta Controls Inc (USA)
4997240 Marotta Controls Inc (USA)
235716-0001ITEM3 Marotta Controls Inc (USA)
041412 CF Admiral Valve Llc Dba Cpv Manufacturing (USA)
Related Parts
5330-00-316-3403INTERCHANGEABLE
PACKING,PREFORMED
5330-00-332-3445INTERCHANGEABLE
RETAINER,PACKING
4820-00-758-5603INTERCHANGEABLE
STEM,FLUID VALVE
041412CF
4820-00-868-2588INTERCHANGEABLE
SEAT,VALVE
025462DC
4820-01-145-7750INTERCHANGEABLE
DISK AND GUIDE ASSEMBLY
5330-01-146-1407INTERCHANGEABLE
RETAINER,PACKING
5331-01-232-4059INTERCHANGEABLE
O-RING
4820-01-241-2050INTERCHANGEABLE
STEM,FLUID VALVE
041412CF
4820-01-341-4337INTERCHANGEABLE
STEM,FLUID VALVE
5950-01-408-0585INTERCHANGEABLE
COIL,ELECTRICAL
233188-1

Frequently Asked Questions

What is NSN 4820-01-145-7755?

NSN 4820-01-145-7755 is a Stem,fluid Valve, manufactured by Marotta Controls Inc, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-145-7755?

NSN 4820-01-145-7755 has 5 cross-referenced part numbers: 233188-1 ITEM 3 (Marotta Controls Inc), 233188-1 (Marotta Controls Inc), 4997240 (Marotta Controls Inc), 235716-0001ITEM3 (Marotta Controls Inc), 041412 CF (Admiral Valve Llc Dba Cpv Manufacturing).

What NSN replaces 4820-01-145-7755?

There are 10 known substitutes for 4820-01-145-7755: 5330-00-316-3403, 5330-00-332-3445, 4820-00-758-5603 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 233188-1 ITEM 3?

Key specifications for 233188-1 ITEM 3: Special Features: MATERIAL STAINLESS STEEL, 316; 0.750 IN STEM DIA; 3.831 IN. LENGTH; INCLUDES STUB ACME THREAD BODY, 0.375 IN. MAJOR DIA; 0.315 MINOR DIA; 12 TPI; RIGHT HAND; PROVISIONS FOR A 0.250 IN. SQUARE HOLE HANDLE AND 0.250-20 UNC THDS FOR A RETAINING NUT; FLOW CONTROL END INCLUDES A 0.625 IN. DIA, 0.188 IN. LENGTH; 0.750 IN. RADIUS DISK IN; Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS; Criticality Code Justification: ZZZY. 3 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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