PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

921211O-Ring

Bosch Rexroth Corporation Div Industrial Hydraulics · NSN 5331-01-430-8857 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-01-430-8857 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-430-8857. Primary manufacturer part number: 921211.
Features
  • O-Ring — FSC 5331
  • 1 verified cross-reference
  • Primary manufacturer: Bosch Rexroth Corporation Div Industrial Hydraulics
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
General Description

The O-Ring, cataloged under National Stock Number 5331-01-430-8857, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Bosch Rexroth Corporation Div Industrial Hydraulics. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameO-Ring
FSC / FSG5331 — O-Ring (FSG 53)
ManufacturersBosch Rexroth Corporation Div Industrial Hydraulics (CAGE 27005)
Technical Specifications
ParameterValue
NSN5331-01-430-8857
Primary Part Number921211
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerBosch Rexroth Corporation Div Industrial Hydraulics
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5950-00-008-44802500-12 INTERCHANGEABLE
Coil,radio Frequency
American Precision Industries Inc.
Cross-Reference Index
Part NumberManufacturer
921211 PRIMARY Bosch Rexroth Corporation Div Industrial Hydraulics (USA)
Related Parts
5950-00-008-4480INTERCHANGEABLE
COIL,RADIO FREQUENCY
2500-12

Frequently Asked Questions

What is NSN 5331-01-430-8857?

NSN 5331-01-430-8857 is a O-Ring, manufactured by Bosch Rexroth Corporation Div Industrial Hydraulics, classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-01-430-8857?

NSN 5331-01-430-8857 has 1 cross-referenced part number: 921211 (Bosch Rexroth Corporation Div Industrial Hydraulics).

What NSN replaces 5331-01-430-8857?

There is 1 known substitute for 5331-01-430-8857: 5950-00-008-4480. Verify interchangeability with system specifications before substitution.

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