PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

S44945Holder Assembly,disk

Emerson Automation Solutions Final Control Us Lp Div Navy Product Team · NSN 4820-01-046-7030 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-046-7030 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-046-7030. Primary manufacturer part number: S44945.
Features
  • Holder Assembly,disk — FSC 4820
  • General Characteristics Item Description: MONEL ASTMB-164-49 T CL-A
  • 4 verified cross-references
  • Primary manufacturer: Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
Applications
  • Flow control in piping systems
  • Water treatment infrastructure
  • Industrial process control
General Description

The Holder Assembly,disk, cataloged under National Stock Number 4820-01-046-7030, 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 1 manufacturer, 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
NSN4820-01-046-7030
Primary Part NumberS44945
Item NameHolder Assembly,disk
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerEmerson Automation Solutions Final Control Us Lp Div Navy Product Team
StatusACTIVE
General Characteristics Item DescriptionMONEL ASTMB-164-49 T CL-A
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4820-00-163-5163 INTERCHANGEABLE
Valve,safety Relief
4820-00-163-516439344006 INTERCHANGEABLE
Valve,safety Relief
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
4820-00-163-5171 INTERCHANGEABLE
Valve,safety Relief
4820-00-163-5175 INTERCHANGEABLE
Valve,safety Relief
4820-01-046-219824965 INTERCHANGEABLE
Rod,adjusting Ring
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
4820-01-046-219928186 INTERCHANGEABLE
Disk,valve
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
4820-01-046-702948621 INTERCHANGEABLE
Collar,spindle,valve
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
5310-01-046-855243449 INTERCHANGEABLE
Nut,spindle,valve
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
2910-01-046-8553100689 INTERCHANGEABLE
Nozzle,valve
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
2910-01-046-8554101868 INTERCHANGEABLE
Nozzle,valve
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
Cross-Reference Index
Part NumberManufacturer
S44945 PRIMARY Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA)
A39344 Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA)
A39344PC9-10-11 PART S44945 Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA)
A39344PC9-10-11 Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA)
Related Parts
4820-00-163-5163INTERCHANGEABLE
VALVE,SAFETY RELIEF
4820-00-163-5164INTERCHANGEABLE
VALVE,SAFETY RELIEF
39344006
4820-00-163-5171INTERCHANGEABLE
VALVE,SAFETY RELIEF
4820-00-163-5175INTERCHANGEABLE
VALVE,SAFETY RELIEF
4820-01-046-2198INTERCHANGEABLE
ROD,ADJUSTING RING
24965
4820-01-046-2199INTERCHANGEABLE
DISK,VALVE
28186
4820-01-046-7029INTERCHANGEABLE
COLLAR,SPINDLE,VALVE
48621
5310-01-046-8552INTERCHANGEABLE
NUT,SPINDLE,VALVE
43449
2910-01-046-8553INTERCHANGEABLE
NOZZLE,VALVE
100689
2910-01-046-8554INTERCHANGEABLE
NOZZLE,VALVE
101868
4820-01-047-1938INTERCHANGEABLE
CAP,VALVE
47574
4730-01-163-2609INTERCHANGEABLE
ADAPTER,STRAIGHT,FLANGE TO PIPE
062271

Frequently Asked Questions

What is NSN 4820-01-046-7030?

NSN 4820-01-046-7030 is a Holder Assembly,disk, 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 4820-01-046-7030?

NSN 4820-01-046-7030 has 4 cross-referenced part numbers: S44945 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team), A39344 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team), A39344PC9-10-11 PART S44945 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team), A39344PC9-10-11 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team).

What NSN replaces 4820-01-046-7030?

There are 12 known substitutes for 4820-01-046-7030: 4820-00-163-5163, 4820-00-163-5164, 4820-00-163-5171 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of S44945?

Key specifications for S44945: General Characteristics Item Description: MONEL ASTMB-164-49 T CL-A; End Item Identification: CROSBY VALVE AND GAGE @COMPANY SAFETY BOR VALVE. 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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