PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

89050O-Ring

Romac Industries, Inc. Dba Hays Fluid Controls Div Hays Fluid Controls Division · NSN 5331-01-559-4838 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-01-559-4838 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-559-4838. Primary manufacturer part number: 89050.
Features
  • O-Ring — FSC 5331
  • 3 verified cross-references
  • Primary manufacturer: Romac Industries, Inc. Dba Hays Fluid Controls Div Hays Fluid Controls Division
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
General Description

The O-Ring, cataloged under National Stock Number 5331-01-559-4838, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Romac Industries, Inc. Dba Hays Fluid Controls Div Hays Fluid Controls Division. This item has 3 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.

Catalog Facts
Item NameO-Ring
FSC / FSG5331 — O-Ring (FSG 53)
ManufacturersRomac Industries, Inc. Dba Hays Fluid Controls Div Hays Fluid Controls Division (CAGE 90800)
Technical Specifications
ParameterValue
NSN5331-01-559-4838
Primary Part Number89050
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerRomac Industries, Inc. Dba Hays Fluid Controls Div Hays Fluid Controls Division
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5935-00-549-2654 INTERCHANGEABLE
Connector,receptacle,electrical
5330-01-252-7421V3997PC19 INTERCHANGEABLE
Packing,preformed
Portland Valve Llc
5999-01-411-976589050-001 INTERCHANGEABLE
Contact,electrical
Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (drawings)
4820-01-432-59692352-1161A INTERCHANGEABLE
Valve,flow Control
Romac Industries, Inc. Dba Hays Fluid Controls Div Hays Fluid Controls Division
4820-01-432-65875863-16SK INTERCHANGEABLE
Parts Kit,valve
Romac Industries, Inc. Dba Hays Fluid Controls Div Hays Fluid Controls Division
4820-01-468-90175863-11SK INTERCHANGEABLE
Parts Kit,valve
Romac Industries, Inc. Dba Hays Fluid Controls Div Hays Fluid Controls Division
4820-01-469-75975863-12SK INTERCHANGEABLE
Parts Kit,valve
Romac Industries, Inc. Dba Hays Fluid Controls Div Hays Fluid Controls Division
4820-01-501-03725863-7SK INTERCHANGEABLE
Parts Kit,valve
Romac Industries, Inc. Dba Hays Fluid Controls Div Hays Fluid Controls Division
4820-01-502-69622352-1201A 1.00 IN. INTERCHANGEABLE
Valve,calibrated Flow
Romac Industries, Inc. Dba Hays Fluid Controls Div Hays Fluid Controls Division
4820-01-502-69652352-1141ACN.00 IN. INTERCHANGEABLE
Valve,calibrated Flow
Romac Industries, Inc. Dba Hays Fluid Controls Div Hays Fluid Controls Division
Cross-Reference Index
Part NumberManufacturer
7093-CITEM8 Romac Industries, Inc. Dba Hays Fluid Controls Div Hays Fluid Controls Division (USA)
89050 PRIMARY Romac Industries, Inc. Dba Hays Fluid Controls Div Hays Fluid Controls Division (USA)
7093-C Romac Industries, Inc. Dba Hays Fluid Controls Div Hays Fluid Controls Division (USA)
Related Parts
5935-00-549-2654INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
5330-01-252-7421INTERCHANGEABLE
PACKING,PREFORMED
V3997PC19
5999-01-411-9765INTERCHANGEABLE
CONTACT,ELECTRICAL
89050-001
4820-01-432-5969INTERCHANGEABLE
VALVE,FLOW CONTROL
2352-1161A
4820-01-432-6587INTERCHANGEABLE
PARTS KIT,VALVE
5863-16SK
4820-01-468-9017INTERCHANGEABLE
PARTS KIT,VALVE
5863-11SK
4820-01-469-7597INTERCHANGEABLE
PARTS KIT,VALVE
5863-12SK
4820-01-501-0372INTERCHANGEABLE
PARTS KIT,VALVE
5863-7SK
4820-01-502-6962INTERCHANGEABLE
VALVE,CALIBRATED FLOW
2352-1201A 1.00 IN.
4820-01-502-6965INTERCHANGEABLE
VALVE,CALIBRATED FLOW
2352-1141ACN.00 IN.
4820-01-503-6482INTERCHANGEABLE
PARTS KIT,VALVE
5863-10SK
5331-01-559-4842INTERCHANGEABLE
O-RING
4365

Frequently Asked Questions

What is NSN 5331-01-559-4838?

NSN 5331-01-559-4838 is a O-Ring, manufactured by Romac Industries, Inc. Dba Hays Fluid Controls Div Hays Fluid Controls Division, classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-01-559-4838?

NSN 5331-01-559-4838 has 3 cross-referenced part numbers: 7093-CITEM8 (Romac Industries, Inc. Dba Hays Fluid Controls Div Hays Fluid Controls Division), 89050 (Romac Industries, Inc. Dba Hays Fluid Controls Div Hays Fluid Controls Division), 7093-C (Romac Industries, Inc. Dba Hays Fluid Controls Div Hays Fluid Controls Division).

What NSN replaces 5331-01-559-4838?

There are 12 known substitutes for 5331-01-559-4838: 5935-00-549-2654, 5330-01-252-7421, 5999-01-411-9765 and 9 more. Verify interchangeability with system specifications before substitution.

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