PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

905819-04O-Ring

Lockheed Martin Corp Dba Lockheed Martin Div Mst - Eagan · NSN 5331-00-003-9247 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-00-003-9247 — this item is cataloged by the U.S. Government under National Stock Number 5331-00-003-9247. Primary manufacturer part number: 905819-04.
Features
  • O-Ring — FSC 5331
  • Material: RUBBER CHLOROPRENE CLASS CR
  • Center Hole Diameter: 0.108 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN
  • Cross-Sectional Height: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
  • Outside Diameter: 0.254 INCHES NOMINAL IN
  • 6 verified cross-references
  • Primary manufacturer: Lockheed Martin Corp Dba Lockheed Martin Div Mst - Eagan
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Rubber Chloroprene Class Cr construction
General Description

The O-Ring, cataloged under National Stock Number 5331-00-003-9247, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Lockheed Martin Corp Dba Lockheed Martin Div Mst - Eagan. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5331-00-003-9247
Primary Part Number905819-04
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerLockheed Martin Corp Dba Lockheed Martin Div Mst - Eagan
StatusACTIVE
MaterialRUBBER CHLOROPRENE CLASS CR
Center Hole Diameter0.108 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN
Cross-Sectional Height0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
Outside Diameter0.254 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
5331-00-480-3305 INTERCHANGEABLE
O-Ring
5331-00-595-6325E45-0001-002 INTERCHANGEABLE
O-Ring
L3harris Technologies, Inc. Dba Harris Corp Div Harris Defense Communications
5331-00-873-7214N72006 INTERCHANGEABLE
O-Ring
Long-Lok, Llc
5331-00-914-582410528061-1 INTERCHANGEABLE
O-Ring
Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate
5331-01-040-1014 INTERCHANGEABLE
O-Ring
5331-01-046-06212-006 E652-90 INTERCHANGEABLE
O-Ring
Parker-Hannifin Corp Div O-Ring Division
5331-01-222-9109H599080006 INTERCHANGEABLE
O-Ring
Lockheed Martin Librascope Corporation
5330-01-275-1546 INTERCHANGEABLE
Packing,preformed
5330-01-281-7678 INTERCHANGEABLE
Packing,preformed
5331-01-460-10632-390C147-70 INTERCHANGEABLE
O-Ring
Parker-Hannifin Corp Div O-Ring Division
Cross-Reference Index
Part NumberManufacturer
AS568-006 Society of Automotive Engineers Inc (USA)
5331PL1335081 Jednolity Indeks Materialowy - Uniform Material Index (POL)
ABS3209 Society of Automotive Engineers Inc (USA)
ABS3209 Sae International Dba Sae International (USA)
AS568-006 Sae International Dba Sae International (USA)
905819-04 PRIMARY Lockheed Martin Corp Dba Lockheed Martin Div Mst - Eagan (USA)
Related Parts
5331-00-480-3305INTERCHANGEABLE
O-RING
5331-00-595-6325INTERCHANGEABLE
O-RING
E45-0001-002
5331-00-873-7214INTERCHANGEABLE
O-RING
N72006
5331-00-914-5824INTERCHANGEABLE
O-RING
10528061-1
5331-01-040-1014INTERCHANGEABLE
O-RING
5331-01-046-0621INTERCHANGEABLE
O-RING
2-006 E652-90
5331-01-222-9109INTERCHANGEABLE
O-RING
H599080006
5330-01-275-1546INTERCHANGEABLE
PACKING,PREFORMED
5330-01-281-7678INTERCHANGEABLE
PACKING,PREFORMED
5331-01-460-1063INTERCHANGEABLE
O-RING
2-390C147-70

Frequently Asked Questions

What is NSN 5331-00-003-9247?

NSN 5331-00-003-9247 is a O-Ring, manufactured by Lockheed Martin Corp Dba Lockheed Martin Div Mst - Eagan, classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-00-003-9247?

NSN 5331-00-003-9247 has 6 cross-referenced part numbers: AS568-006 (Society of Automotive Engineers Inc), 5331PL1335081 (Jednolity Indeks Materialowy - Uniform Material Index), ABS3209 (Society of Automotive Engineers Inc), ABS3209 (Sae International Dba Sae International), AS568-006 (Sae International Dba Sae International) and 1 more.

What NSN replaces 5331-00-003-9247?

There are 10 known substitutes for 5331-00-003-9247: 5331-00-480-3305, 5331-00-595-6325, 5331-00-873-7214 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 905819-04?

Key specifications for 905819-04: Material: RUBBER CHLOROPRENE CLASS CR; Center Hole Diameter: 0.108 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN; Cross-Sectional Height: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN; Outside Diameter: 0.254 INCHES NOMINAL IN. 4 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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