PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3-920N168-80O-Ring

Lockheed Martin Corp · NSN 5331-00-182-3192 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-00-182-3192 — this item is cataloged by the U.S. Government under National Stock Number 5331-00-182-3192. Primary manufacturer part number: 3-920N168-80.
Features
  • O-Ring — FSC 5331
  • Cross-Sectional Height: 0.114 INCHES MINIMUM AND 0.122 INCHES MAXIMUM IN
  • Center Hole Diameter: 1.465 INCHES MINIMUM AND 1.485 INCHES MAXIMUM IN
  • Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
  • 9 verified cross-references
  • Primary manufacturer: Lockheed Martin Corp
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Rubber Butadiene-Acrylonitrile Class Nbr construction
General Description

The O-Ring, cataloged under National Stock Number 5331-00-182-3192, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Lockheed Martin Corp. Government technical data includes 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5331-00-182-3192
Primary Part Number3-920N168-80
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerLockheed Martin Corp
StatusACTIVE
Cross-Sectional Height0.114 INCHES MINIMUM AND 0.122 INCHES MAXIMUM IN
Center Hole Diameter1.465 INCHES MINIMUM AND 1.485 INCHES MAXIMUM IN
MaterialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5331-00-816-354610596841-13 INTERCHANGEABLE
O-Ring
Us Army Aviation and Missile Command
5331-01-024-2512AS3581-920 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
Cross-Reference Index
Part NumberManufacturer
906-20-739-90 Parker Hannifin Corporation Div O-Ring Division (USA)
3-20N168-8 Lockheed Martin Corp (USA)
STSPK300-20 Lockheed Martin Corp (USA)
3-20N168-8 Parker-Hannifin Corp Div O-Ring Division (USA)
3-920N168-80 Parker-Hannifin Corporation Dba Pneutronics Div Composite Sealing Systems Division (USA)
3-920N168-80 Parco, Llc (USA)
3-920N507-90 Parker-Hannifin Corp Div O-Ring Division (USA)
9-20-4081-85 Parco, Llc (USA)
3-920N168-80 PRIMARY Lockheed Martin Corp (USA)
Related Parts
5331-00-816-3546INTERCHANGEABLE
O-RING
10596841-13
5331-01-024-2512INTERCHANGEABLE
O-RING
AS3581-920

Frequently Asked Questions

What is NSN 5331-00-182-3192?

NSN 5331-00-182-3192 is a O-Ring, manufactured by Lockheed Martin Corp, classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-00-182-3192?

NSN 5331-00-182-3192 has 9 cross-referenced part numbers: 906-20-739-90 (Parker Hannifin Corporation Div O-Ring Division), 3-20N168-8 (Lockheed Martin Corp), STSPK300-20 (Lockheed Martin Corp), 3-20N168-8 (Parker-Hannifin Corp Div O-Ring Division), 3-920N168-80 (Parker-Hannifin Corporation Dba Pneutronics Div Composite Sealing Systems Division) and 4 more.

What NSN replaces 5331-00-182-3192?

There are 2 known substitutes for 5331-00-182-3192: 5331-00-816-3546, 5331-01-024-2512. Verify interchangeability with system specifications before substitution.

What are the specifications of 3-920N168-80?

Key specifications for 3-920N168-80: Cross-Sectional Height: 0.114 INCHES MINIMUM AND 0.122 INCHES MAXIMUM IN; Center Hole Diameter: 1.465 INCHES MINIMUM AND 1.485 INCHES MAXIMUM IN; Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR. 3 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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