PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

16606-A12-12O-Ring

Itt Aerospace Controls Llc Dba Itt Aerospace Controls Unit S · NSN 5331-01-180-3898 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-01-180-3898 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-180-3898. Primary manufacturer part number: 16606-A12-12.
Features
  • O-Ring — FSC 5331
  • Outside Diameter: 0.818 INCHES NOMINAL IN
  • Cross-Sectional Height: 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
  • Center Hole Diameter: 0.603 INCHES MINIMUM AND 0.621 INCHES MAXIMUM IN
  • 3 verified cross-references
  • Primary manufacturer: Itt Aerospace Controls Llc Dba Itt Aerospace Controls Unit S
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
General Description

The O-Ring, cataloged under National Stock Number 5331-01-180-3898, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Itt Aerospace Controls Llc Dba Itt Aerospace Controls Unit S. Government technical data includes 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5331-01-180-3898
Primary Part Number16606-A12-12
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerItt Aerospace Controls Llc Dba Itt Aerospace Controls Unit S
StatusACTIVE
Outside Diameter0.818 INCHES NOMINAL IN
Cross-Sectional Height0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
Center Hole Diameter0.603 INCHES MINIMUM AND 0.621 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5331-00-409-3679 INTERCHANGEABLE
O-Ring
Cross-Reference Index
Part NumberManufacturer
AS568B-114 Society of Automotive Engineers Inc (USA)
AS568B-114 Sae International Dba Sae International (USA)
16606-A12-12 PRIMARY Itt Aerospace Controls Llc Dba Itt Aerospace Controls Unit S (USA)
Related Parts
5331-00-409-3679INTERCHANGEABLE
O-RING

Frequently Asked Questions

What is NSN 5331-01-180-3898?

NSN 5331-01-180-3898 is a O-Ring, manufactured by Itt Aerospace Controls Llc Dba Itt Aerospace Controls Unit S, classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-01-180-3898?

NSN 5331-01-180-3898 has 3 cross-referenced part numbers: AS568B-114 (Society of Automotive Engineers Inc), AS568B-114 (Sae International Dba Sae International), 16606-A12-12 (Itt Aerospace Controls Llc Dba Itt Aerospace Controls Unit S).

What NSN replaces 5331-01-180-3898?

There is 1 known substitute for 5331-01-180-3898: 5331-00-409-3679. Verify interchangeability with system specifications before substitution.

What are the specifications of 16606-A12-12?

Key specifications for 16606-A12-12: Outside Diameter: 0.818 INCHES NOMINAL IN; Cross-Sectional Height: 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN; Center Hole Diameter: 0.603 INCHES MINIMUM AND 0.621 INCHES MAXIMUM IN. 3 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com