PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

9123PC5AStem,fluid Valve

Emerson Automation Solutions Final Control Us Lp Div Navy Product Team · NSN 4820-01-058-5148 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-058-5148 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-058-5148. Primary manufacturer part number: 9123PC5A.
Features
  • Stem,fluid Valve — FSC 4820
  • Valve Model Number for Which Designed: 1251
  • Stem Actuating End Type: FLATTED AND THREADED EXTERNALLY
  • Material: COPPER ALLOY
  • Valve Type for Which Designed: RELIEF
  • Largest Outside Diameter: 0.625 INCHES NOMINAL IN
  • Valve Size for Which Designed: 1.000 INCHES IN
  • 6 verified cross-references
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Copper Alloy construction
General Description

The Stem,fluid Valve, cataloged under National Stock Number 4820-01-058-5148, 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 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-058-5148
Primary Part Number9123PC5A
Item NameStem,fluid Valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerEmerson Automation Solutions Final Control Us Lp Div Navy Product Team
StatusACTIVE
Valve Model Number for Which Designed1251
Stem Actuating End TypeFLATTED AND THREADED EXTERNALLY
MaterialCOPPER ALLOY
Valve Type for Which DesignedRELIEF
Largest Outside Diameter0.625 INCHES NOMINAL IN
Valve Size for Which Designed1.000 INCHES IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5920-00-043-26410312.250MXP INTERCHANGEABLE
Fuse,cartridge
Littelfuse, Inc.
4730-00-061-53619123 INTERCHANGEABLE
Strainer Element,sediment
Vortox Company
5935-00-196-96999123 INTERCHANGEABLE
Connector,plug,electrical
Telemechanics Inc
5935-00-201-330880044 INTERCHANGEABLE
Connector,receptacle,electrical
Lockheed Martin Corporation Div Rms
5985-00-328-1685 INTERCHANGEABLE
Attenuator,fixed
4940-00-455-3128 INTERCHANGEABLE
Screen,spray Gun,pa
8030-00-503-0316 INTERCHANGEABLE
Sealing Compound
2540-00-810-4057 INTERCHANGEABLE
Leveling System
6685-00-833-5681306G INTERCHANGEABLE
Indicator,pressure
Stewart-Warner Corporation
5120-00-928-41067163A33 INTERCHANGEABLE
Blade,socket Head Screw Key
Mcmaster-Carr Supply Co
Cross-Reference Index
Part NumberManufacturer
9123PC5A PRIMARY Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA)
9123 Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA)
8004-4 Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA)
A6792.025.132 Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA)
A6792.025.132 PRIMARY Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA)
9123PC5A Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA)
Related Parts
5920-00-043-2641INTERCHANGEABLE
FUSE,CARTRIDGE
0312.250MXP
4730-00-061-5361INTERCHANGEABLE
STRAINER ELEMENT,SEDIMENT
9123
5935-00-196-9699INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
9123
5935-00-201-3308INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
80044
5985-00-328-1685INTERCHANGEABLE
ATTENUATOR,FIXED
4940-00-455-3128INTERCHANGEABLE
SCREEN,SPRAY GUN,PA
8030-00-503-0316INTERCHANGEABLE
SEALING COMPOUND
2540-00-810-4057INTERCHANGEABLE
LEVELING SYSTEM
6685-00-833-5681INTERCHANGEABLE
INDICATOR,PRESSURE
306G
5120-00-928-4106INTERCHANGEABLE
BLADE,SOCKET HEAD SCREW KEY
7163A33
5998-01-054-8363INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
80044
4820-01-058-5533INTERCHANGEABLE
CAP,VALVE
B7544-001-130

Frequently Asked Questions

What is NSN 4820-01-058-5148?

NSN 4820-01-058-5148 is a Stem,fluid 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 4820-01-058-5148?

NSN 4820-01-058-5148 has 6 cross-referenced part numbers: 9123PC5A (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team), 9123 (Anderson Greenwood Lp Dba Anderson Greenwood Crosby), 8004-4 (Anderson Greenwood Lp Dba Anderson Greenwood Crosby), A6792.025.132 (Anderson Greenwood Lp Dba Anderson Greenwood Crosby), A6792.025.132 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team) and 1 more.

What NSN replaces 4820-01-058-5148?

There are 12 known substitutes for 4820-01-058-5148: 5920-00-043-2641, 4730-00-061-5361, 5935-00-196-9699 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 9123PC5A?

Key specifications for 9123PC5A: Valve Model Number for Which Designed: 1251; Stem Actuating End Type: FLATTED AND THREADED EXTERNALLY; Material: COPPER ALLOY; Overall Length: 7.250 INCHES NOMINAL IN. 7 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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