PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

19873Adjusting Bolt,valve

Emerson Automation Solutions Final Control Us Lp Div Navy Product Team · NSN 4820-01-047-0583 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-047-0583 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-047-0583. Primary manufacturer part number: 19873.
Features
  • Adjusting Bolt,valve — FSC 4820
  • General Characteristics Item Description: STEEL,CORROSION RESISTINGAISI 416,U/O 1-1/2 BY 2-1/2 STYLE HNP-F PILOT VALVE FOR STEAM DRUM
  • 4 verified cross-references
  • Primary manufacturer: Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Flow control in piping systems
  • Pressure regulation
General Description

The Adjusting Bolt,valve, cataloged under National Stock Number 4820-01-047-0583, 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 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-047-0583
Primary Part Number19873
Item NameAdjusting Bolt,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerEmerson Automation Solutions Final Control Us Lp Div Navy Product Team
StatusACTIVE
General Characteristics Item DescriptionSTEEL,CORROSION RESISTINGAISI 416,U/O 1-1/2 BY 2-1/2 STYLE HNP-F PILOT VALVE FOR STEAM DRUM
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
4820-00-163-5171 INTERCHANGEABLE
Valve,safety Relief
4730-00-196-0940 INTERCHANGEABLE
Bushing,pipe
4820-00-839-1512242075 INTERCHANGEABLE
Disk,valve
Eaton Aerospace, Llc Dba Jackson South
4820-01-047-058575892 INTERCHANGEABLE
Ring,nozzle,valve
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
4820-01-047-238587300 INTERCHANGEABLE
Lever,actuating,connecting
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
5325-01-125-90073660605-J1 INTERCHANGEABLE
Ring,retaining
Schneider Electric Systems Usa Inc
5999-01-136-341719873 INTERCHANGEABLE
Cell,conductivity
Electro Impulse Laboratory Inc Dba Electro Impulse Inc
4820-01-203-1233H3315562 PIECE 21 TO 25 INTERCHANGEABLE
Stem,fluid Valve
Naval Ship Systems Command
6130-01-370-259519873 INTERCHANGEABLE
Power Supply Subassembly
Rantec Power Systems Inc. Dba Rantec Power Systems
Cross-Reference Index
Part NumberManufacturer
H3315562 Naval Sea Systems Command (USA)
19873 PRIMARY Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA)
A39344PC31 Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA)
A36563PC31 Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA)
Related Parts
4820-00-163-5171INTERCHANGEABLE
VALVE,SAFETY RELIEF
4730-00-196-0940INTERCHANGEABLE
BUSHING,PIPE
4820-00-839-1512INTERCHANGEABLE
DISK,VALVE
242075
4820-01-047-0585INTERCHANGEABLE
RING,NOZZLE,VALVE
75892
4820-01-047-2385INTERCHANGEABLE
LEVER,ACTUATING,CONNECTING
87300
5325-01-125-9007INTERCHANGEABLE
RING,RETAINING
3660605-J1
5999-01-136-3417INTERCHANGEABLE
CELL,CONDUCTIVITY
19873
4820-01-203-1233INTERCHANGEABLE
STEM,FLUID VALVE
H3315562 PIECE 21 TO 25
6130-01-370-2595INTERCHANGEABLE
POWER SUPPLY SUBASSEMBLY
19873

Frequently Asked Questions

What is NSN 4820-01-047-0583?

NSN 4820-01-047-0583 is a Adjusting Bolt,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 4820-01-047-0583?

NSN 4820-01-047-0583 has 4 cross-referenced part numbers: H3315562 (Naval Sea Systems Command), 19873 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team), A39344PC31 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team), A36563PC31 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team).

What NSN replaces 4820-01-047-0583?

There are 9 known substitutes for 4820-01-047-0583: 4820-00-163-5171, 4730-00-196-0940, 4820-00-839-1512 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 19873?

Key specifications for 19873: General Characteristics Item Description: STEEL,CORROSION RESISTINGAISI 416,U/O 1-1/2 BY 2-1/2 STYLE HNP-F PILOT VALVE FOR STEAM DRUM. 1 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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