PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

S2471Parts Kit,check Valve

Emerson Automation Solutions Final Control Us Lp Div Navy Product Team · NSN 4820-00-104-4312 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-104-4312 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-104-4312. Primary manufacturer part number: S2471.
Features
  • Parts Kit,check Valve — FSC 4820
  • Component Quantity: 13
  • Supply Items and Quantities: BUSHING RETAINER RING 2; BUSHING,METAL 2;BUSHING,RULON 2; CLAPPER 1; PIN 1; COVER 0-RING 1; CLAPPER SEAL 1; BUMPER SCREW 1; BUMPER,RULON 1; BUMPER NUT 1
  • 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
General Description

The Parts Kit,check Valve, cataloged under National Stock Number 4820-00-104-4312, 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 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 5 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
NSN4820-00-104-4312
Primary Part NumberS2471
Item NameParts Kit,check Valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerEmerson Automation Solutions Final Control Us Lp Div Navy Product Team
StatusACTIVE
Component Quantity13
Supply Items and QuantitiesBUSHING RETAINER RING 2; BUSHING,METAL 2;BUSHING,RULON 2; CLAPPER 1; PIN 1; COVER 0-RING 1; CLAPPER SEAL 1; BUMPER SCREW 1; BUMPER,RULON 1; BUMPER NUT 1
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
4820-01-063-0053SS845-2181251ASSY RD 5IN INTERCHANGEABLE
Valve,check
Naval Sea Systems Command
4820-01-074-0297 INTERCHANGEABLE
Valve,check
5340-01-140-4844SS845-2181251ASSEMBLYRD PIECE2 INTERCHANGEABLE
Cover,access
Naval Ship Systems Command
4820-01-281-58522620-927X9 ASSEMBLY RB INTERCHANGEABLE
Valve,check
Electric Boat Corporation Div General Dynamics Electric Boat
6680-01-316-3656S247-1 INTERCHANGEABLE
Indicator,sight,liquid
Eaton Aerospace Llc Div Fluid and Electrical Distribution Division
6625-01-348-5217 INTERCHANGEABLE
Test Set,electrical Cable
Cross-Reference Index
Part NumberManufacturer
S2471 National Oilwell (USA)
2620-927X11PC25 National Oilwell (USA)
2620-927X11PC25 Electric Boat Corporation Div General Dynamics Electric Boat (USA)
S2471 PRIMARY Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA)
SS845-2181483PC25 Naval Ship Systems Command (USA)
SS8452181251 Naval Sea Systems Command (USA)
SS845-2181483PC25 Naval Sea Systems Command (USA)
Related Parts
4820-01-063-0053INTERCHANGEABLE
VALVE,CHECK
SS845-2181251ASSY RD 5IN
4820-01-074-0297INTERCHANGEABLE
VALVE,CHECK
5340-01-140-4844INTERCHANGEABLE
COVER,ACCESS
SS845-2181251ASSEMBLYRD PIECE2
4820-01-281-5852INTERCHANGEABLE
VALVE,CHECK
2620-927X9 ASSEMBLY RB
6680-01-316-3656INTERCHANGEABLE
INDICATOR,SIGHT,LIQUID
S247-1
6625-01-348-5217INTERCHANGEABLE
TEST SET,ELECTRICAL CABLE

Frequently Asked Questions

What is NSN 4820-00-104-4312?

NSN 4820-00-104-4312 is a Parts Kit,check 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 4820-00-104-4312?

NSN 4820-00-104-4312 has 7 cross-referenced part numbers: S2471 (National Oilwell), 2620-927X11PC25 (National Oilwell), 2620-927X11PC25 (Electric Boat Corporation Div General Dynamics Electric Boat), S2471 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team), SS845-2181483PC25 (Naval Ship Systems Command) and 2 more.

What NSN replaces 4820-00-104-4312?

There are 6 known substitutes for 4820-00-104-4312: 4820-01-063-0053, 4820-01-074-0297, 5340-01-140-4844 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of S2471?

Key specifications for S2471: Component Quantity: 13; Supply Items and Quantities: BUSHING RETAINER RING 2; BUSHING,METAL 2;BUSHING,RULON 2; CLAPPER 1; PIN 1; COVER 0-RING 1; CLAPPER SEAL 1; BUMPER SCREW 1; BUMPER,RULON 1; BUMPER NUT 1. 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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