PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

81286O-Ring

Thales Defense & Security Inc Dba Thales Communications Inc · NSN 5331-01-534-9689 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-01-534-9689 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-534-9689. Primary manufacturer part number: 81286.
Features
  • O-Ring — FSC 5331
  • Material: RUBBER BUTADIENE NITRILE
  • 1 verified cross-reference
  • Primary manufacturer: Thales Defense & Security Inc Dba Thales Communications Inc
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Rubber Butadiene Nitrile construction
General Description

The O-Ring, cataloged under National Stock Number 5331-01-534-9689, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Thales Defense & Security Inc Dba Thales Communications Inc. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, 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
NSN5331-01-534-9689
Primary Part Number81286
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerThales Defense & Security Inc Dba Thales Communications Inc
StatusACTIVE
MaterialRUBBER BUTADIENE NITRILE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
4930-00-387-949745103 INTERCHANGEABLE
Jaw,reversible
Mcneil Ohio Corp
Cross-Reference Index
Part NumberManufacturer
81286 PRIMARY Thales Defense & Security Inc Dba Thales Communications Inc (USA)
Related Parts
4930-00-387-9497INTERCHANGEABLE
JAW,REVERSIBLE
45103

Frequently Asked Questions

What is NSN 5331-01-534-9689?

NSN 5331-01-534-9689 is a O-Ring, manufactured by Thales Defense & Security Inc Dba Thales Communications Inc, classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-01-534-9689?

NSN 5331-01-534-9689 has 1 cross-referenced part number: 81286 (Thales Defense & Security Inc Dba Thales Communications Inc).

What NSN replaces 5331-01-534-9689?

There is 1 known substitute for 5331-01-534-9689: 4930-00-387-9497. Verify interchangeability with system specifications before substitution.

What are the specifications of 81286?

Key specifications for 81286: Part Name Assigned by Controlling Agency: O-RING, 0.2201D X 0.032W; 70BUNA N W; Material: RUBBER BUTADIENE NITRILE. 2 total characteristics are documented in the Federal Logistics Information System.

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