PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

XA1055Pilot Assembly,valve

Emerson Electric Co Alco Controls Div · NSN 4820-00-369-3708 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-369-3708 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-369-3708. Primary manufacturer part number: XA1055.
Features
  • Pilot Assembly,valve — FSC 4820
  • General Characteristics Item Description: BRONZE; 1 SPRING; 2.125 IN. O/A DIA; 3.325 IN. O/A HT; 1 END EXTERNALLY THD 1.000 IN. IN
  • 4 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 Pilot Assembly,valve, cataloged under National Stock Number 4820-00-369-3708, 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 4 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4820-00-369-3708
Primary Part NumberXA1055
Item NamePilot Assembly,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerEmerson Electric Co Alco Controls Div
StatusCANCELLED
General Characteristics Item DescriptionBRONZE; 1 SPRING; 2.125 IN. O/A DIA; 3.325 IN. O/A HT; 1 END EXTERNALLY THD 1.000 IN. IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 3
3110-00-198-1061649793 INTERCHANGEABLE
Bearing,roller,needle
Goodrich Corporation Dba Goodrich Corp
3110-00-443-5982060908 INTERCHANGEABLE
Bearing,roller,needle
Kaydon Corporation Dba Kaydon Corp
5315-01-155-1763XA-1055 INTERCHANGEABLE
Pin,straight,headless
Saf-Holland, Inc.
Cross-Reference Index
Part NumberManufacturer
X5043-1 Emerson Electric Co Alco Controls Div (USA)
XA1055 PRIMARY Emerson Electric Co Alco Controls Div (USA)
D865 PRIMARY Emerson Electric Co Alco Controls Div (USA)
X5043 PRIMARY Emerson Electric Co Alco Controls Div (USA)
Related Parts
3110-00-198-1061INTERCHANGEABLE
BEARING,ROLLER,NEEDLE
649793
3110-00-443-5982INTERCHANGEABLE
BEARING,ROLLER,NEEDLE
060908
5315-01-155-1763INTERCHANGEABLE
PIN,STRAIGHT,HEADLESS
XA-1055

Frequently Asked Questions

What is NSN 4820-00-369-3708?

NSN 4820-00-369-3708 is a Pilot Assembly,valve, manufactured by Emerson Electric Co Alco Controls Div, classified under FSC 4820 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4820-00-369-3708?

NSN 4820-00-369-3708 has 4 cross-referenced part numbers: X5043-1 (Emerson Electric Co Alco Controls Div), XA1055 (Emerson Electric Co Alco Controls Div), D865 (Emerson Electric Co Alco Controls Div), X5043 (Emerson Electric Co Alco Controls Div).

What NSN replaces 4820-00-369-3708?

There are 3 known substitutes for 4820-00-369-3708: 3110-00-198-1061, 3110-00-443-5982, 5315-01-155-1763. Verify interchangeability with system specifications before substitution.

What are the specifications of XA1055?

Key specifications for XA1055: General Characteristics Item Description: BRONZE; 1 SPRING; 2.125 IN. O/A DIA; 3.325 IN. O/A HT; 1 END EXTERNALLY THD 1.000 IN. IN. 1 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4820-00-369-3708 still in active supply?

NSN 4820-00-369-3708 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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