The O-Ring, cataloged under National Stock Number 5331-01-020-5264, 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 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 3 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 | 5331-01-020-5264 |
| Primary Part Number | AS568-159 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-Ring |
| Manufacturer | Sae International Dba Sae International |
| Status | ACTIVE |
| Cross-Sectional Height | 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN |
| Hardness Rating | 75.0 SHORE DUROMETER A NOMINAL |
| Center Hole Diameter | 4.972 INCHES MINIMUM AND 5.002 INCHES MAXIMUM IN |
| Temp Rating | -67.0 FAHRENHEIT AND 347.0 FAHRENHEIT DEGF |
| Material | RUBBER FLUOROSILICONE CLASS FQ |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 78151-159 | Triumph Engine Control Systems Llc (USA) |
| AMS7273C | Sae International Dba Sae International (USA) |
| AS568-159 | Society of Automotive Engineers Inc (USA) |
| AMS7273C | Society of Automotive Engineers Inc (USA) |
| AS568-159 PRIMARY | Sae International Dba Sae International (USA) |
NSN 5331-01-020-5264 is a O-Ring, manufactured by Sae International Dba Sae International, classified under FSC 5331 (O-Ring). Status: active.
NSN 5331-01-020-5264 has 5 cross-referenced part numbers: 78151-159 (Triumph Engine Control Systems Llc), AMS7273C (Sae International Dba Sae International), AS568-159 (Society of Automotive Engineers Inc), AMS7273C (Society of Automotive Engineers Inc), AS568-159 (Sae International Dba Sae International).
There are 2 known substitutes for 5331-01-020-5264: 5331-00-952-9606, 5331-01-020-5267. Verify interchangeability with system specifications before substitution.
Key specifications for AS568-159: Cross-Sectional Height: 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN; Hardness Rating: 75.0 SHORE DUROMETER A NOMINAL; Center Hole Diameter: 4.972 INCHES MINIMUM AND 5.002 INCHES MAXIMUM IN; Temp Rating: -67.0 FAHRENHEIT AND 347.0 FAHRENHEIT DEGF. 5 total characteristics are documented in the Federal Logistics Information System.