PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

285128Sleeve,valve

Xomox Corp Sub of Emerson Electric Co · NSN 4820-00-217-9185 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-217-9185 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-217-9185. Primary manufacturer part number: 285128.
Features
  • Sleeve,valve — FSC 4820
  • Criticality Code Justification: ZZZY
  • Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH NAVICP MECH; ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS.
  • 5 verified cross-references
  • Primary manufacturer: Xomox Corp Sub of Emerson Electric Co
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Sleeve,valve, cataloged under National Stock Number 4820-00-217-9185, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Xomox Corp Sub of Emerson Electric Co. Government technical data includes 2 verified specifications, 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: Cancelled.

Technical Specifications
ParameterValue
NSN4820-00-217-9185
Primary Part Number285128
Item NameSleeve,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerXomox Corp Sub of Emerson Electric Co
StatusCANCELLED
Criticality Code JustificationZZZY
Reference Number Differentiating CharacteristicsMATERIAL WILL BE IN ACCORDANCE WITH NAVICP MECH; ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS.
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 1
3120-00-932-0942285128 INTERCHANGEABLE
Bushing,sleeve
Xomox Corp Sub of Emerson Electric Co
Cross-Reference Index
Part NumberManufacturer
285128 Xomox Corp Sub of Emerson Electric Co (USA)
Z-3343-B PIECE 3 Xomox Corp Sub of Emerson Electric Co (USA)
285128 Tufline Div of Xomox Corp (USA)
Z-3343-BPC3 Tufline Div of Xomox Corp (USA)
Z3343B3 Xomox Corp Sub of Emerson Electric Co (USA)
Related Parts
3120-00-932-0942INTERCHANGEABLE
BUSHING,SLEEVE
285128

Frequently Asked Questions

What is NSN 4820-00-217-9185?

NSN 4820-00-217-9185 is a Sleeve,valve, manufactured by Xomox Corp Sub of Emerson Electric Co, classified under FSC 4820 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4820-00-217-9185?

NSN 4820-00-217-9185 has 5 cross-referenced part numbers: 285128 (Xomox Corp Sub of Emerson Electric Co), Z-3343-B PIECE 3 (Xomox Corp Sub of Emerson Electric Co), 285128 (Tufline Div of Xomox Corp), Z-3343-BPC3 (Tufline Div of Xomox Corp), Z3343B3 (Xomox Corp Sub of Emerson Electric Co).

What NSN replaces 4820-00-217-9185?

There is 1 known substitute for 4820-00-217-9185: 3120-00-932-0942. Verify interchangeability with system specifications before substitution.

What are the specifications of 285128?

Key specifications for 285128: Criticality Code Justification: ZZZY; Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH NAVICP MECH; ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS.. 2 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4820-00-217-9185 still in active supply?

NSN 4820-00-217-9185 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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