PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

58203-3Deck Box Operator,valve

Triumph Controls, Llc Dba Triumph Controls, Llc · NSN 4820-01-702-7741 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-702-7741 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-702-7741. Primary manufacturer part number: 58203-3.
Features
  • Deck Box Operator,valve — FSC 4820
  • Criticality Code Justification: ZZZY
  • Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH NAVSUP-WSS ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS
  • 1 verified cross-reference
  • Primary manufacturer: Triumph Controls, Llc Dba Triumph Controls, Llc
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Deck Box Operator,valve, cataloged under National Stock Number 4820-01-702-7741, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Triumph Controls, Llc Dba Triumph Controls, Llc. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-702-7741
Primary Part Number58203-3
Item NameDeck Box Operator,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerTriumph Controls, Llc Dba Triumph Controls, Llc
StatusACTIVE
Criticality Code JustificationZZZY
Reference Number Differentiating CharacteristicsMATERIAL WILL BE IN ACCORDANCE WITH NAVSUP-WSS ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
4820-01-392-698958203-3 INTERCHANGEABLE
Deck Box Operator,valve
Triumph Controls, Llc Dba Triumph Controls, Llc
5985-01-576-361858-20-33 INTERCHANGEABLE
Attenuator,fixed
Spectrum Control Inc Div Weinschel
Cross-Reference Index
Part NumberManufacturer
58203-3 Triumph Controls, Llc Dba Triumph Controls, Llc (USA)
Related Parts
4820-01-392-6989INTERCHANGEABLE
DECK BOX OPERATOR,VALVE
58203-3
5985-01-576-3618INTERCHANGEABLE
ATTENUATOR,FIXED
58-20-33

Frequently Asked Questions

What is NSN 4820-01-702-7741?

NSN 4820-01-702-7741 is a Deck Box Operator,valve, manufactured by Triumph Controls, Llc Dba Triumph Controls, Llc, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-702-7741?

NSN 4820-01-702-7741 has 1 cross-referenced part number: 58203-3 (Triumph Controls, Llc Dba Triumph Controls, Llc).

What NSN replaces 4820-01-702-7741?

There are 2 known substitutes for 4820-01-702-7741: 4820-01-392-6989, 5985-01-576-3618. Verify interchangeability with system specifications before substitution.

What are the specifications of 58203-3?

Key specifications for 58203-3: Criticality Code Justification: ZZZY; Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH NAVSUP-WSS ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS. 2 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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