PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

6821O-Ring

Tyco Fire Products Lp · NSN 5331-01-286-6091 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-01-286-6091 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-286-6091. Primary manufacturer part number: 6821.
Features
  • O-Ring — FSC 5331
  • 1 verified cross-reference
  • Primary manufacturer: Tyco Fire Products Lp
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
General Description

The O-Ring, cataloged under National Stock Number 5331-01-286-6091, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Tyco Fire Products Lp. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameO-Ring
FSC / FSG5331 — O-Ring (FSG 53)
ManufacturersTyco Fire Products Lp (CAGE 03670)
Technical Specifications
ParameterValue
NSN5331-01-286-6091
Primary Part Number6821
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerTyco Fire Products Lp
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
2530-00-495-8624293360C91 INTERCHANGEABLE
Parts Kit,hydraulic Brake Wheel
Navistar Intl Corp Truck Br Ohio Plant
5905-00-917-73022548592-23 INTERCHANGEABLE
Resistor,fixed,wire Wound
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5961-01-047-7362682-1 INTERCHANGEABLE
Rectifier,semiconductor Device,u
Micro Uspd Inc
6695-01-126-3400068-21 INTERCHANGEABLE
Cord,power
Spectrum Control Inc Div Weinschel
5831-01-226-6594682-1 INTERCHANGEABLE
Control Panel,public Address Sys
Astronics Advanced Electronic Systems Corp. Dba Astronics Advanced Electronic Systems
5945-01-304-5936 INTERCHANGEABLE
Relay,solid State
6515-01-393-04016821 BFD FREEDOM SIZE 1 INTERCHANGEABLE
Support,arch
Alimed, Inc. Dba Alimed Inc
5999-01-414-37702612893-1 INTERCHANGEABLE
Strip,electrical Grounding
Lockheed Martin Corporation Div Rms
7025-01-557-1523278063-01 INTERCHANGEABLE
Interface Unit,automatic Data Pr
Argon St, Inc.
Cross-Reference Index
Part NumberManufacturer
6821 PRIMARY Tyco Fire Products Lp (USA)
Related Parts
2530-00-495-8624INTERCHANGEABLE
PARTS KIT,HYDRAULIC BRAKE WHEEL
293360C91
5905-00-917-7302INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND
2548592-23
5961-01-047-7362INTERCHANGEABLE
RECTIFIER,SEMICONDUCTOR DEVICE,U
682-1
6695-01-126-3400INTERCHANGEABLE
CORD,POWER
068-21
5831-01-226-6594INTERCHANGEABLE
CONTROL PANEL,PUBLIC ADDRESS SYS
682-1
5945-01-304-5936INTERCHANGEABLE
RELAY,SOLID STATE
6515-01-393-0401INTERCHANGEABLE
SUPPORT,ARCH
6821 BFD FREEDOM SIZE 1
5999-01-414-3770INTERCHANGEABLE
STRIP,ELECTRICAL GROUNDING
2612893-1
7025-01-557-1523INTERCHANGEABLE
INTERFACE UNIT,AUTOMATIC DATA PR
278063-01

Frequently Asked Questions

What is NSN 5331-01-286-6091?

NSN 5331-01-286-6091 is a O-Ring, manufactured by Tyco Fire Products Lp, classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-01-286-6091?

NSN 5331-01-286-6091 has 1 cross-referenced part number: 6821 (Tyco Fire Products Lp).

What NSN replaces 5331-01-286-6091?

There are 9 known substitutes for 5331-01-286-6091: 2530-00-495-8624, 5905-00-917-7302, 5961-01-047-7362 and 6 more. Verify interchangeability with system specifications before substitution.

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