PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

K-3143O-Ring Set

Tronair, Inc. Div Tronair · NSN 5331-01-673-9076 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-01-673-9076 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-673-9076. Primary manufacturer part number: K-3143.
Features
  • O-Ring Set — FSC 5331
  • Component Quantity: 7
  • 1 verified cross-reference
  • Primary manufacturer: Tronair, Inc. Div Tronair
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
General Description

The O-Ring Set, cataloged under National Stock Number 5331-01-673-9076, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Tronair, Inc. Div Tronair. 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
NSN5331-01-673-9076
Primary Part NumberK-3143
Item NameO-Ring Set
FSC / FSG5331 / 53 — O-Ring
ManufacturerTronair, Inc. Div Tronair
StatusACTIVE
Component Quantity7
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
6240-00-155-8011 INTERCHANGEABLE
Lamp,incandescent
Cross-Reference Index
Part NumberManufacturer
K-3143 PRIMARY Tronair, Inc. Div Tronair (USA)
Related Parts
6240-00-155-8011INTERCHANGEABLE
LAMP,INCANDESCENT

Frequently Asked Questions

What is NSN 5331-01-673-9076?

NSN 5331-01-673-9076 is a O-Ring Set, manufactured by Tronair, Inc. Div Tronair, classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-01-673-9076?

NSN 5331-01-673-9076 has 1 cross-referenced part number: K-3143 (Tronair, Inc. Div Tronair).

What NSN replaces 5331-01-673-9076?

There is 1 known substitute for 5331-01-673-9076: 6240-00-155-8011. Verify interchangeability with system specifications before substitution.

What are the specifications of K-3143?

Key specifications for K-3143: Component Quantity: 7; Part Name Assigned by Controlling Agency: O RING. 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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