PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

18728O-Ring

Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp. · NSN 5331-01-155-6670 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-01-155-6670 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-155-6670. Primary manufacturer part number: 18728.
Features
  • O-Ring — FSC 5331
  • 1 verified cross-reference
  • Primary manufacturer: Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp.
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
General Description

The O-Ring, cataloged under National Stock Number 5331-01-155-6670, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp.. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameO-Ring
FSC / FSG5331 — O-Ring (FSG 53)
ManufacturersTiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp. (CAGE 13841)
Technical Specifications
ParameterValue
NSN5331-01-155-6670
Primary Part Number18728
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerTiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp.
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
6160-00-122-881918728 INTERCHANGEABLE
Liner,battery Box-Battery Tray
Marathonnorco Aerospace, Inc. Dba Marathon Power Technologies Company
5330-00-146-9534SY1060230 INTERCHANGEABLE
Gasket
Haywardindl. Products, Inc.
5935-00-149-5453261-11-06-010 INTERCHANGEABLE
Connector,receptacle,electrical
Cinch Connectivity Solutions Inc.
5998-00-469-45730307-0136 INTERCHANGEABLE
Circuit Card Assembly
Rogerson Kratos
1680-00-677-183218728 INTERCHANGEABLE
Block,filler,transd
Ametek, Inc. Dba Aerospace Gst Div Aerospace
5305-01-310-601518728 INTERCHANGEABLE
Screw,cap,socket Head
Hyster-Yale Group, Inc. Div Hyster-Yale Materials Handling
4130-01-487-0779850-P120-100 INTERCHANGEABLE
Vacu-Discs,zirc
Dcm Clean Air Products, Inc.
5310-01-546-53131101.050.0.11 INTERCHANGEABLE
Washer,flat
Fasteners Inc.
Cross-Reference Index
Part NumberManufacturer
18728 PRIMARY Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp. (USA)
Related Parts
6160-00-122-8819INTERCHANGEABLE
LINER,BATTERY BOX-BATTERY TRAY
18728
5330-00-146-9534INTERCHANGEABLE
GASKET
SY1060230
5935-00-149-5453INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
261-11-06-010
5998-00-469-4573INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
0307-0136
1680-00-677-1832INTERCHANGEABLE
BLOCK,FILLER,TRANSD
18728
5305-01-310-6015INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
18728
4130-01-487-0779INTERCHANGEABLE
VACU-DISCS,ZIRC
850-P120-100
5310-01-546-5313INTERCHANGEABLE
WASHER,FLAT
1101.050.0.11

Frequently Asked Questions

What is NSN 5331-01-155-6670?

NSN 5331-01-155-6670 is a O-Ring, manufactured by Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp., classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-01-155-6670?

NSN 5331-01-155-6670 has 1 cross-referenced part number: 18728 (Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp.).

What NSN replaces 5331-01-155-6670?

There are 8 known substitutes for 5331-01-155-6670: 6160-00-122-8819, 5330-00-146-9534, 5935-00-149-5453 and 5 more. Verify interchangeability with system specifications before substitution.

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