PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

320453O-Ring

Fmc Technologies Inc Dba Fmc Fluid Control · NSN 5331-01-406-0510 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-01-406-0510 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-406-0510. Primary manufacturer part number: 320453.
Features
  • O-Ring — FSC 5331
  • Center Hole Diameter: 3.237 INCHES NOMINAL IN
  • Cross-Sectional Height: 0.103 INCHES NOMINAL IN
  • 2 verified cross-references
  • Primary manufacturer: Fmc Technologies Inc Dba Fmc Fluid Control
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
General Description

The O-Ring, cataloged under National Stock Number 5331-01-406-0510, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Fmc Technologies Inc Dba Fmc Fluid Control. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5331-01-406-0510
Primary Part Number320453
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerFmc Technologies Inc Dba Fmc Fluid Control
StatusACTIVE
Center Hole Diameter3.237 INCHES NOMINAL IN
Cross-Sectional Height0.103 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5940-00-187-511932053 INTERCHANGEABLE
Terminal,lug
Te Connectivity Corporation
5365-00-442-681432053 INTERCHANGEABLE
Spacer,sleeve
Williams International Co., L.l.c.
Cross-Reference Index
Part NumberManufacturer
32053 Zf Industrieantriebe Witten Gmbh (DEU)
320453 PRIMARY Fmc Technologies Inc Dba Fmc Fluid Control (USA)
Related Parts
5940-00-187-5119INTERCHANGEABLE
TERMINAL,LUG
32053
5365-00-442-6814INTERCHANGEABLE
SPACER,SLEEVE
32053

Frequently Asked Questions

What is NSN 5331-01-406-0510?

NSN 5331-01-406-0510 is a O-Ring, manufactured by Fmc Technologies Inc Dba Fmc Fluid Control, classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-01-406-0510?

NSN 5331-01-406-0510 has 2 cross-referenced part numbers: 32053 (Zf Industrieantriebe Witten Gmbh), 320453 (Fmc Technologies Inc Dba Fmc Fluid Control).

What NSN replaces 5331-01-406-0510?

There are 2 known substitutes for 5331-01-406-0510: 5940-00-187-5119, 5365-00-442-6814. Verify interchangeability with system specifications before substitution.

What are the specifications of 320453?

Key specifications for 320453: Center Hole Diameter: 3.237 INCHES NOMINAL IN; Cross-Sectional Height: 0.103 INCHES NOMINAL IN. 2 total characteristics are documented in the Federal Logistics Information System.

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