The O-Ring, cataloged under National Stock Number 5331-00-618-4527, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Teledyne Industries Inc Teledyne Fluid Systems Republic Business Unit. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-00-618-4527 |
| Primary Part Number | SP100-137 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-Ring |
| Manufacturer | Teledyne Industries Inc Teledyne Fluid Systems Republic Business Unit |
| Status | ACTIVE |
| Center Hole Diameter | 2.778 INCHES MINIMUM AND 2.822 INCHES MAXIMUM IN |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR |
| Cross-Sectional Height | 0.094 INCHES NOMINAL IN |
| Outside Diameter | 3.006 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| SP100-137 | Teledyne Industries Inc Teledyne Fluid Systems Republic Business Unit (USA) |
| AS568-149 | Sae International Dba Sae International (USA) |
| SP100-137 | Curtiss-Wright Flow Control Corporation Dba Farris Engineering Div Curtiss-Wright Valves Division- Farris (USA) |
| 1647807 PIECE 4 | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA) |
| 1647807 PIECE 4 | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| MIL-PRF-1149 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| AS568-149 | Society of Automotive Engineers Inc (USA) |
NSN 5331-00-618-4527 is a O-Ring, manufactured by Teledyne Industries Inc Teledyne Fluid Systems Republic Business Unit, classified under FSC 5331 (O-Ring). Status: active.
NSN 5331-00-618-4527 has 7 cross-referenced part numbers: SP100-137 (Teledyne Industries Inc Teledyne Fluid Systems Republic Business Unit), AS568-149 (Sae International Dba Sae International), SP100-137 (Curtiss-Wright Flow Control Corporation Dba Farris Engineering Div Curtiss-Wright Valves Division- Farris), 1647807 PIECE 4 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp), 1647807 PIECE 4 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier) and 2 more.
There are 2 known substitutes for 5331-00-618-4527: 5331-01-292-4728, 5331-01-374-5198. Verify interchangeability with system specifications before substitution.
Key specifications for SP100-137: Center Hole Diameter: 2.778 INCHES MINIMUM AND 2.822 INCHES MAXIMUM IN; Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR; Cross-Sectional Height: 0.094 INCHES NOMINAL IN; Outside Diameter: 3.006 INCHES NOMINAL IN. 4 total characteristics are documented in the Federal Logistics Information System.