PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

NS3205 PIECE 2 2 1/2INCap,valve

Emerson Automation Solutions Final Control Us Lp Div Navy Product Team · NSN 4820-01-121-0796 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-121-0796 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-121-0796. Primary manufacturer part number: NS3205 PIECE 2 2 1/2IN.
Features
  • Cap,valve — FSC 4820
  • Attachment Method: BOLTS
  • Valve Size for Which Designed: 2.500 INCHES IN
  • Valve Type for Which Designed: CHECK
  • Material: COPPER ALLOY
  • Valve Model Number for Which Designed: NS3205
  • 7 verified cross-references
  • Primary manufacturer: Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Copper Alloy construction
General Description

The Cap,valve, cataloged under National Stock Number 4820-01-121-0796, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Emerson Automation Solutions Final Control Us Lp Div Navy Product Team. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 2 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
NSN4820-01-121-0796
Primary Part NumberNS3205 PIECE 2 2 1/2IN
Item NameCap,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerEmerson Automation Solutions Final Control Us Lp Div Navy Product Team
StatusACTIVE
Attachment MethodBOLTS
Valve Size for Which Designed2.500 INCHES IN
Valve Type for Which DesignedCHECK
MaterialCOPPER ALLOY
Valve Model Number for Which DesignedNS3205
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
4820-01-067-391590117-000 INTERCHANGEABLE
Valve,check
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
5340-01-104-1500 INTERCHANGEABLE
Cover,access
4820-01-126-373790041-000 INTERCHANGEABLE
Valve,check
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
4820-01-127-560090032 INTERCHANGEABLE
Valve,check
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
4820-01-141-8559 INTERCHANGEABLE
Valve,check
5340-01-177-5329300122 INTERCHANGEABLE
Cover,access
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
Cross-Reference Index
Part NumberManufacturer
NS3205 PIECE 2 2 1/2IN PRIMARY Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA)
NLT300-7 Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA)
NLT300-7 National Oilwell (USA)
NS3205 Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA)
NS3205 PIECE 2 2 1/2IN National Oilwell (USA)
NS3205 National Oilwell (USA)
NS-4110 PIECE 2 National Oilwell (USA)
Related Parts
4820-01-067-3915INTERCHANGEABLE
VALVE,CHECK
90117-000
5340-01-104-1500INTERCHANGEABLE
COVER,ACCESS
4820-01-126-3737INTERCHANGEABLE
VALVE,CHECK
90041-000
4820-01-127-5600INTERCHANGEABLE
VALVE,CHECK
90032
4820-01-141-8559INTERCHANGEABLE
VALVE,CHECK
5340-01-177-5329INTERCHANGEABLE
COVER,ACCESS
300122

Frequently Asked Questions

What is NSN 4820-01-121-0796?

NSN 4820-01-121-0796 is a Cap,valve, manufactured by Emerson Automation Solutions Final Control Us Lp Div Navy Product Team, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-121-0796?

NSN 4820-01-121-0796 has 7 cross-referenced part numbers: NS3205 PIECE 2 2 1/2IN (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team), NLT300-7 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team), NLT300-7 (National Oilwell), NS3205 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team), NS3205 PIECE 2 2 1/2IN (National Oilwell) and 2 more.

What NSN replaces 4820-01-121-0796?

There are 6 known substitutes for 4820-01-121-0796: 4820-01-067-3915, 5340-01-104-1500, 4820-01-126-3737 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of NS3205 PIECE 2 2 1/2IN?

Key specifications for NS3205 PIECE 2 2 1/2IN: Attachment Method: BOLTS; Valve Size for Which Designed: 2.500 INCHES IN; Valve Type for Which Designed: CHECK; Material: COPPER ALLOY. 5 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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