The O-Ring, cataloged under National Stock Number 5331-01-056-0189, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Sae International Dba Sae International. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-056-0189 |
| Primary Part Number | AS568B |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-Ring |
| Manufacturer | Sae International Dba Sae International |
| Status | ACTIVE |
| Hardness Rating | 65.0 SHORE DUROMETER A NOMINAL |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR |
| Outside Diameter | 1.610 INCHES MINIMUM AND 1.648 INCHES MAXIMUM IN |
| Center Hole Diameter | 1.476 INCHES MINIMUM AND 1.502 INCHES MAXIMUM IN |
| Elongation Percentage | 252 MAXIMUM |
| Temp Rating | -70.0 FAHRENHEIT AND 180.0 FAHRENHEIT DEGF |
| Cross-Sectional Height | 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| AS568B | Sae International Dba Sae International (USA) |
| 264796-001 | Solartron Electronics Inc Weston Instruments Div (USA) |
| N0506 2-029 | Parker-Hannifin Corp Div O-Ring Division (USA) |
| 2-29 | C. E. Conover & Co., Inc. (USA) |
| AS568B | Society of Automotive Engineers Inc (USA) |
| 2-029N506-65 | Parker-Hannifin Corp Div O-Ring Division (USA) |
NSN 5331-01-056-0189 is a O-Ring, manufactured by Sae International Dba Sae International, classified under FSC 5331 (O-Ring). Status: active.
NSN 5331-01-056-0189 has 6 cross-referenced part numbers: AS568B (Sae International Dba Sae International), 264796-001 (Solartron Electronics Inc Weston Instruments Div), N0506 2-029 (Parker-Hannifin Corp Div O-Ring Division), 2-29 (C. E. Conover & Co., Inc.), AS568B (Society of Automotive Engineers Inc) and 1 more.
There are 12 known substitutes for 5331-01-056-0189: 5331-00-020-7106, 5331-00-102-3107, 5331-00-182-3012 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for AS568B: Hardness Rating: 65.0 SHORE DUROMETER A NOMINAL; Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR; Outside Diameter: 1.610 INCHES MINIMUM AND 1.648 INCHES MAXIMUM IN; Center Hole Diameter: 1.476 INCHES MINIMUM AND 1.502 INCHES MAXIMUM IN. 7 total characteristics are documented in the Federal Logistics Information System.