The O-Ring, cataloged under National Stock Number 5331-00-311-9520, 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 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 4 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 | 5331-00-311-9520 |
| Primary Part Number | ARP568-220 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-Ring |
| Manufacturer | Sae International Dba Sae International |
| Status | ACTIVE |
| Center Hole Diameter | 1.347 INCHES MINIMUM AND 1.371 INCHES MAXIMUM IN |
| Outside Diameter | 1.637 INCHES NOMINAL IN |
| Cross-Sectional Height | 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 560-105 | Zf Industrieantriebe Witten Gmbh (DEU) |
| PRP568-220MILR2 5897 | Zf Industrieantriebe Witten Gmbh (DEU) |
| ARP568-220MILR2 5897TY1CL1 | Zf Industrieantriebe Witten Gmbh (DEU) |
| 262399 | Eaton Aerospace, Llc Dba Jackson South (USA) |
| ARP568-220 PRIMARY | Sae International Dba Sae International (USA) |
| ARP568-220 | Society of Automotive Engineers Inc (USA) |
NSN 5331-00-311-9520 is a O-Ring, manufactured by Sae International Dba Sae International, classified under FSC 5331 (O-Ring). Status: active.
NSN 5331-00-311-9520 has 6 cross-referenced part numbers: 560-105 (Zf Industrieantriebe Witten Gmbh), PRP568-220MILR2 5897 (Zf Industrieantriebe Witten Gmbh), ARP568-220MILR2 5897TY1CL1 (Zf Industrieantriebe Witten Gmbh), 262399 (Eaton Aerospace, Llc Dba Jackson South), ARP568-220 (Sae International Dba Sae International) and 1 more.
There are 2 known substitutes for 5331-00-311-9520: 5331-00-543-3041, 1560-00-608-7561. Verify interchangeability with system specifications before substitution.
Key specifications for ARP568-220: Center Hole Diameter: 1.347 INCHES MINIMUM AND 1.371 INCHES MAXIMUM IN; Outside Diameter: 1.637 INCHES NOMINAL IN; Cross-Sectional Height: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN. 3 total characteristics are documented in the Federal Logistics Information System.