PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

8-5514O-Ring

Thermal Dynamics Corp · NSN 5331-01-268-0873 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-01-268-0873 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-268-0873. Primary manufacturer part number: 8-5514.
Features
  • O-Ring — FSC 5331
  • 1 verified cross-reference
  • Primary manufacturer: Thermal Dynamics Corp
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
General Description

The O-Ring, cataloged under National Stock Number 5331-01-268-0873, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Thermal Dynamics Corp. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameO-Ring
FSC / FSG5331 — O-Ring (FSG 53)
ManufacturersThermal Dynamics Corp (CAGE 17514)
Technical Specifications
ParameterValue
NSN5331-01-268-0873
Primary Part Number8-5514
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerThermal Dynamics Corp
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
4820-00-036-1983 INTERCHANGEABLE
Seat,valve
3455-00-455-5459 INTERCHANGEABLE
Cutter Bit,tool Holder
5910-01-010-7555 INTERCHANGEABLE
Capacitor,fixed,paper Dielectric
4330-01-230-889585514 INTERCHANGEABLE
Filter Element,fluid
Templeton Kenly and Co Inc
5962-01-249-4957 INTERCHANGEABLE
Microcircuit,linear
5962-01-249-4958 INTERCHANGEABLE
Microcircuit,linear
5962-01-342-9811 INTERCHANGEABLE
Microcircuit,linear
5962-01-413-2397 INTERCHANGEABLE
Microcircuit,linear
5962-01-435-3845 INTERCHANGEABLE
Microcircuit,linear
5962-01-488-9273 INTERCHANGEABLE
Microcircuit,linear
Cross-Reference Index
Part NumberManufacturer
8-5514 PRIMARY Thermal Dynamics Corp (USA)
Related Parts
4820-00-036-1983INTERCHANGEABLE
SEAT,VALVE
3455-00-455-5459INTERCHANGEABLE
CUTTER BIT,TOOL HOLDER
5910-01-010-7555INTERCHANGEABLE
CAPACITOR,FIXED,PAPER DIELECTRIC
4330-01-230-8895INTERCHANGEABLE
FILTER ELEMENT,FLUID
85514
5962-01-249-4957INTERCHANGEABLE
MICROCIRCUIT,LINEAR
5962-01-249-4958INTERCHANGEABLE
MICROCIRCUIT,LINEAR
5962-01-342-9811INTERCHANGEABLE
MICROCIRCUIT,LINEAR
5962-01-413-2397INTERCHANGEABLE
MICROCIRCUIT,LINEAR
5962-01-435-3845INTERCHANGEABLE
MICROCIRCUIT,LINEAR
5962-01-488-9273INTERCHANGEABLE
MICROCIRCUIT,LINEAR

Frequently Asked Questions

What is NSN 5331-01-268-0873?

NSN 5331-01-268-0873 is a O-Ring, manufactured by Thermal Dynamics Corp, classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-01-268-0873?

NSN 5331-01-268-0873 has 1 cross-referenced part number: 8-5514 (Thermal Dynamics Corp).

What NSN replaces 5331-01-268-0873?

There are 10 known substitutes for 5331-01-268-0873: 4820-00-036-1983, 3455-00-455-5459, 5910-01-010-7555 and 7 more. Verify interchangeability with system specifications before substitution.

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