PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

BACP11L112O-Ring

The Boeing Company Div Defense · NSN 5331-01-246-1820 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-01-246-1820 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-246-1820. Primary manufacturer part number: BACP11L112.
Features
  • O-Ring — FSC 5331
  • Cross-Sectional Height: 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
  • Material: PLASTIC POLYTETRAFLUOROETHYLENE
  • Center Hole Diameter: 0.482 INCHES MINIMUM AND 0.492 INCHES MAXIMUM IN
  • 11 verified cross-references
  • Primary manufacturer: The Boeing Company Div Defense
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Plastic Polytetrafluoroethylene construction
General Description

The O-Ring, cataloged under National Stock Number 5331-01-246-1820, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is The Boeing Company Div Defense. Government technical data includes 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 11 commercial cross-references from 8 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
NSN5331-01-246-1820
Primary Part NumberBACP11L112
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerThe Boeing Company Div Defense
StatusACTIVE
Cross-Sectional Height0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
MaterialPLASTIC POLYTETRAFLUOROETHYLENE
Center Hole Diameter0.482 INCHES MINIMUM AND 0.492 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5331-01-240-1303ARP-568-131 INTERCHANGEABLE
O-Ring
Chicago Gasket Co
Cross-Reference Index
Part NumberManufacturer
BACP11L112 Trelleborg Sealing Solutions Us, Inc. (USA)
BACP11L112 Greene Tweed and Co Advantec Div (USA)
11-112 Coronado Manufacturing, Inc. (USA)
TF-BACP11L112 Trelleborg Sealing Solutions El Segundo, Inc. Dba Tss El Segundo (USA)
BACP11L112 Dodge-Wasmund Manufacturing Inc (USA)
BACP11L112 Trelleborg Sealing Solutions El Segundo, Inc. Dba Tss El Segundo (USA)
2-112 Dodge-Wasmund Manufacturing Inc (USA)
BACP11L112 PRIMARY The Boeing Company Div Defense (USA)
BACP11L112 Coronado Manufacturing, Inc. (USA)
ARP-568-112 Furon Co Ohio Div (USA)
ARP-568-112 PRIMARY Chicago Gasket Co (USA)
Related Parts
5331-01-240-1303INTERCHANGEABLE
O-RING
ARP-568-131

Frequently Asked Questions

What is NSN 5331-01-246-1820?

NSN 5331-01-246-1820 is a O-Ring, manufactured by The Boeing Company Div Defense, classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-01-246-1820?

NSN 5331-01-246-1820 has 11 cross-referenced part numbers: BACP11L112 (Trelleborg Sealing Solutions Us, Inc.), BACP11L112 (Greene Tweed and Co Advantec Div), 11-112 (Coronado Manufacturing, Inc.), TF-BACP11L112 (Trelleborg Sealing Solutions El Segundo, Inc. Dba Tss El Segundo), BACP11L112 (Dodge-Wasmund Manufacturing Inc) and 6 more.

What NSN replaces 5331-01-246-1820?

There is 1 known substitute for 5331-01-246-1820: 5331-01-240-1303. Verify interchangeability with system specifications before substitution.

What are the specifications of BACP11L112?

Key specifications for BACP11L112: Cross-Sectional Height: 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN; Material: PLASTIC POLYTETRAFLUOROETHYLENE; Center Hole Diameter: 0.482 INCHES MINIMUM AND 0.492 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