PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

100959O-Ring

M. E. Industries, Inc. · NSN 5331-01-593-4078 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-01-593-4078 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-593-4078. Primary manufacturer part number: 100959.
Features
  • O-Ring — FSC 5331
  • Hardness Rating: 70.0 SHORE DUROMETER A NOMINAL
  • Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
  • Center Hole Diameter: 15.690 INCHES NOMINAL IN
  • 1 verified cross-reference
  • Primary manufacturer: M. E. Industries, Inc.
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 5331-01-593-4078, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is M. E. Industries, Inc.. Government technical data includes 3 verified specifications, 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. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5331-01-593-4078
Primary Part Number100959
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerM. E. Industries, Inc.
StatusACTIVE
Hardness Rating70.0 SHORE DUROMETER A NOMINAL
MaterialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
Center Hole Diameter15.690 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5945-00-571-555554192 INTERCHANGEABLE
Relay Assembly
Sypris Electronics, Llc Div Sypris Electronics, Llc - Colorado Field Services
6685-00-574-753810876 INTERCHANGEABLE
Gage,pressure,dial Indicating
Hauck Manufacturing Company
5950-00-985-3103100959 INTERCHANGEABLE
Saturable Reactor
Technical Services Laboratory, Inc. Dba Technical Services Laboratory Inc
8145-01-116-9586100959-1 INTERCHANGEABLE
Shipping and Storage Container,e
Prc Composites, Llc Dba Globe Plastics
5310-01-341-2107 INTERCHANGEABLE
Nut,plain,hexagon
Cross-Reference Index
Part NumberManufacturer
100959 PRIMARY M. E. Industries, Inc. (USA)
Related Parts
5945-00-571-5555INTERCHANGEABLE
RELAY ASSEMBLY
54192
6685-00-574-7538INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
10876
5950-00-985-3103INTERCHANGEABLE
SATURABLE REACTOR
100959
8145-01-116-9586INTERCHANGEABLE
SHIPPING AND STORAGE CONTAINER,E
100959-1
5310-01-341-2107INTERCHANGEABLE
NUT,PLAIN,HEXAGON

Frequently Asked Questions

What is NSN 5331-01-593-4078?

NSN 5331-01-593-4078 is a O-Ring, manufactured by M. E. Industries, Inc., classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-01-593-4078?

NSN 5331-01-593-4078 has 1 cross-referenced part number: 100959 (M. E. Industries, Inc.).

What NSN replaces 5331-01-593-4078?

There are 5 known substitutes for 5331-01-593-4078: 5945-00-571-5555, 6685-00-574-7538, 5950-00-985-3103 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 100959?

Key specifications for 100959: Hardness Rating: 70.0 SHORE DUROMETER A NOMINAL; Part Name Assigned by Controlling Agency: O-RING, CLOSURE; Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR; Center Hole Diameter: 15.690 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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