PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

48621Collar,spindle,valve

Emerson Automation Solutions Final Control Us Lp Div Navy Product Team · NSN 4820-01-046-7029 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-046-7029 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-046-7029. Primary manufacturer part number: 48621.
Features
  • Collar,spindle,valve — FSC 4820
  • General Characteristics Item Description: NICKEL COPPER ALLOY
  • 6 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 Collar,spindle,valve, cataloged under National Stock Number 4820-01-046-7029, 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 6 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
NSN4820-01-046-7029
Primary Part Number48621
Item NameCollar,spindle,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerEmerson Automation Solutions Final Control Us Lp Div Navy Product Team
StatusACTIVE
General Characteristics Item DescriptionNICKEL COPPER ALLOY
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
4820-00-204-344810-575 INTERCHANGEABLE
Valve,plug
The Boeing Company Div Defense
4820-00-762-2860A36563 INTERCHANGEABLE
Valve,safety Relief
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
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
4730-01-046-489055278 INTERCHANGEABLE
Restrictor,fluid Flow
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
4820-01-046-7030S44945 INTERCHANGEABLE
Holder Assembly,disk
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
Cross-Reference Index
Part NumberManufacturer
48621 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)
A36565 PIECE 60 Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA)
A36563 Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA)
A39344PC60 Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA)
A36563PC60 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
4820-00-204-3448INTERCHANGEABLE
VALVE,PLUG
10-575
4820-00-762-2860INTERCHANGEABLE
VALVE,SAFETY RELIEF
A36563
4820-01-046-2198INTERCHANGEABLE
ROD,ADJUSTING RING
24965
4820-01-046-2199INTERCHANGEABLE
DISK,VALVE
28186
4730-01-046-4890INTERCHANGEABLE
RESTRICTOR,FLUID FLOW
55278
4820-01-046-7030INTERCHANGEABLE
HOLDER ASSEMBLY,DISK
S44945
5310-01-046-8552INTERCHANGEABLE
NUT,SPINDLE,VALVE
43449
2910-01-046-8553INTERCHANGEABLE
NOZZLE,VALVE
100689

Frequently Asked Questions

What is NSN 4820-01-046-7029?

NSN 4820-01-046-7029 is a Collar,spindle,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 4820-01-046-7029?

NSN 4820-01-046-7029 has 6 cross-referenced part numbers: 48621 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team), A39344 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team), A36565 PIECE 60 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team), A36563 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team), A39344PC60 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team) and 1 more.

What NSN replaces 4820-01-046-7029?

There are 12 known substitutes for 4820-01-046-7029: 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 48621?

Key specifications for 48621: End Item Identification: CROSBY VALVE STYLE HNP-F PILOT VALVE 1-1/2 X 2-1/2; General Characteristics Item Description: NICKEL COPPER ALLOY. 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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