The O-Ring, cataloged under National Stock Number 5331-00-359-4418, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Ontic Engineering & Manufacturing, Inc Dba Ontic Us. Government technical data includes 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-00-359-4418 |
| Primary Part Number | 99-73 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-Ring |
| Manufacturer | Ontic Engineering & Manufacturing, Inc Dba Ontic Us |
| Status | ACTIVE |
| Material | RUBBER |
| Cross-Sectional Height | 0.098 INCHES MINIMUM AND 0.108 INCHES MAXIMUM IN |
| Center Hole Diameter | 0.732 INCHES MINIMUM AND 0.742 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 5331-00-359-4418 is a O-Ring, manufactured by Ontic Engineering & Manufacturing, Inc Dba Ontic Us, classified under FSC 5331 (O-Ring). Status: active.
NSN 5331-00-359-4418 has 2 cross-referenced part numbers: 99-73 (Ontic Engineering & Manufacturing, Inc Dba Ontic Us), 99-73 (Donallco Inc).
There are 8 known substitutes for 5331-00-359-4418: 5999-00-186-3912, 5955-00-499-7320, 5340-00-807-1081 and 5 more. Verify interchangeability with system specifications before substitution.
Key specifications for 99-73: Material: RUBBER; Cross-Sectional Height: 0.098 INCHES MINIMUM AND 0.108 INCHES MAXIMUM IN; Center Hole Diameter: 0.732 INCHES MINIMUM AND 0.742 INCHES MAXIMUM IN. 3 total characteristics are documented in the Federal Logistics Information System.