PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

199976O-Ring

Eaton Aerospace, Llc Dba Jackson South · NSN 5331-00-138-0348 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-00-138-0348 — this item is cataloged by the U.S. Government under National Stock Number 5331-00-138-0348. Primary manufacturer part number: 199976.
Features
  • O-Ring — FSC 5331
  • Material: RUBBER SYNTHETIC
  • Cross-Sectional Height: 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
  • Center Hole Diameter: 0.793 INCHES MINIMUM AND 0.805 INCHES MAXIMUM IN
  • 1 verified cross-reference
  • Primary manufacturer: Eaton Aerospace, Llc Dba Jackson South
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Rubber Synthetic construction
General Description

The O-Ring, cataloged under National Stock Number 5331-00-138-0348, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Eaton Aerospace, Llc Dba Jackson South. 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5331-00-138-0348
Primary Part Number199976
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerEaton Aerospace, Llc Dba Jackson South
StatusACTIVE
MaterialRUBBER SYNTHETIC
Cross-Sectional Height0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
Center Hole Diameter0.793 INCHES MINIMUM AND 0.805 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5331-00-702-5220MS28775-117 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
Cross-Reference Index
Part NumberManufacturer
199976 PRIMARY Eaton Aerospace, Llc Dba Jackson South (USA)
Related Parts
5331-00-702-5220INTERCHANGEABLE
O-RING
MS28775-117

Frequently Asked Questions

What is NSN 5331-00-138-0348?

NSN 5331-00-138-0348 is a O-Ring, manufactured by Eaton Aerospace, Llc Dba Jackson South, classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-00-138-0348?

NSN 5331-00-138-0348 has 1 cross-referenced part number: 199976 (Eaton Aerospace, Llc Dba Jackson South).

What NSN replaces 5331-00-138-0348?

There is 1 known substitute for 5331-00-138-0348: 5331-00-702-5220. Verify interchangeability with system specifications before substitution.

What are the specifications of 199976?

Key specifications for 199976: Material: RUBBER SYNTHETIC; Cross-Sectional Height: 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN; Center Hole Diameter: 0.793 INCHES MINIMUM AND 0.805 INCHES MAXIMUM IN. 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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