PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

N935-4X8284-UL-4APower Assembly,expansion Valve

Emerson Electric Co Alco Controls Div · NSN 4820-01-016-2124 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-016-2124 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-016-2124. Primary manufacturer part number: N935-4X8284-UL-4A.
Features
  • Power Assembly,expansion Valve — FSC 4820
  • General Characteristics Item Description: TWENTY FT TUBE LENGTH,35 TO 65 DEG F RANGE DEGF
  • 5 verified cross-references
  • Primary manufacturer: Emerson Electric Co Alco Controls Div
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Power Assembly,expansion Valve, cataloged under National Stock Number 4820-01-016-2124, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Emerson Electric Co Alco Controls Div. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-016-2124
Primary Part NumberN935-4X8284-UL-4A
Item NamePower Assembly,expansion Valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerEmerson Electric Co Alco Controls Div
StatusACTIVE
General Characteristics Item DescriptionTWENTY FT TUBE LENGTH,35 TO 65 DEG F RANGE DEGF
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
4820-01-277-7587 INTERCHANGEABLE
Parts Kit,valve
Cross-Reference Index
Part NumberManufacturer
F8283 Naval Ship Systems Command (USA)
F8283 Emerson Electric Co Alco Controls Div (USA)
X8284-4 Emerson Electric Co Alco Controls Div (USA)
N935-4X8284-UL-4A PRIMARY Emerson Electric Co Alco Controls Div (USA)
N935-4X8284-UL- Emerson Electric Co Alco Controls Div (USA)
Related Parts
4820-01-277-7587INTERCHANGEABLE
PARTS KIT,VALVE

Frequently Asked Questions

What is NSN 4820-01-016-2124?

NSN 4820-01-016-2124 is a Power Assembly,expansion Valve, manufactured by Emerson Electric Co Alco Controls Div, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-016-2124?

NSN 4820-01-016-2124 has 5 cross-referenced part numbers: F8283 (Naval Ship Systems Command), F8283 (Emerson Electric Co Alco Controls Div), X8284-4 (Emerson Electric Co Alco Controls Div), N935-4X8284-UL-4A (Emerson Electric Co Alco Controls Div), N935-4X8284-UL- (Emerson Electric Co Alco Controls Div).

What NSN replaces 4820-01-016-2124?

There is 1 known substitute for 4820-01-016-2124: 4820-01-277-7587. Verify interchangeability with system specifications before substitution.

What are the specifications of N935-4X8284-UL-4A?

Key specifications for N935-4X8284-UL-4A: End Item Identification: ALCO R-22 TYPE N935-4-000; General Characteristics Item Description: TWENTY FT TUBE LENGTH,35 TO 65 DEG F RANGE DEGF. 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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