PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

211012O-Ring

Hynautic Inc Div of Sta-Rite Industries Inc · NSN 5331-01-185-0355 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-01-185-0355 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-185-0355. Primary manufacturer part number: 211012.
Features
  • O-Ring — FSC 5331
  • 1 verified cross-reference
  • Primary manufacturer: Hynautic Inc Div of Sta-Rite Industries Inc
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
General Description

The O-Ring, cataloged under National Stock Number 5331-01-185-0355, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Hynautic Inc Div of Sta-Rite Industries Inc. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameO-Ring
FSC / FSG5331 — O-Ring (FSG 53)
ManufacturersHynautic Inc Div of Sta-Rite Industries Inc (CAGE 62876)
Technical Specifications
ParameterValue
NSN5331-01-185-0355
Primary Part Number211012
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerHynautic Inc Div of Sta-Rite Industries Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5950-00-051-8296TYPE-21 INTERCHANGEABLE
Transformer,power Autotransforme
Superior Electric Holding Group Llc Div Specialty Product Technologies
3110-00-155-6403 INTERCHANGEABLE
Bearing,ball,annular
Cross-Reference Index
Part NumberManufacturer
211012 PRIMARY Hynautic Inc Div of Sta-Rite Industries Inc (USA)
Related Parts
5950-00-051-8296INTERCHANGEABLE
TRANSFORMER,POWER AUTOTRANSFORME
TYPE-21
3110-00-155-6403INTERCHANGEABLE
BEARING,BALL,ANNULAR

Frequently Asked Questions

What is NSN 5331-01-185-0355?

NSN 5331-01-185-0355 is a O-Ring, manufactured by Hynautic Inc Div of Sta-Rite Industries Inc, classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-01-185-0355?

NSN 5331-01-185-0355 has 1 cross-referenced part number: 211012 (Hynautic Inc Div of Sta-Rite Industries Inc).

What NSN replaces 5331-01-185-0355?

There are 2 known substitutes for 5331-01-185-0355: 5950-00-051-8296, 3110-00-155-6403. Verify interchangeability with system specifications before substitution.

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