The O-Ring, cataloged under National Stock Number 5331-01-005-8367, 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 7 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 | 5331-01-005-8367 |
| Primary Part Number | ARP568-218AMS3651 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-Ring |
| Manufacturer | Sae International Dba Sae International |
| Status | ACTIVE |
| Material | PLASTIC POLYTETRAFLUOROETHYLENE |
| Outside Diameter | 1.512 INCHES NOMINAL IN |
| Cross-Sectional Height | 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN |
| Material Document and Classification | AMS 3651 ASSN STD SINGLE MATERIAL RESPONSE |
| Criticality Code Justification | ZZZY |
| Reference Number Differentiating Characteristics | CLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D |
| Center Hole Diameter | 1.228 INCHES MINIMUM AND 1.240 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| ARP568-218AMS3651 | Sae International Dba Sae International (USA) |
| 2-218 | Parker-Hannifin Corp Div O-Ring Division (USA) |
| ARP568-218T | Society of Automotive Engineers Inc (USA) |
| ARP568-218AMS3651 | Society of Automotive Engineers Inc (USA) |
| ARP568-218AMS3651CP | Naval Inventory Control Point Mechanicsburg (USA) |
| 5331PL1240726 | Jednolity Indeks Materialowy - Uniform Material Index (POL) |
| ARP568-218T | Sae International Dba Sae International (USA) |
NSN 5331-01-005-8367 is a O-Ring, manufactured by Sae International Dba Sae International, classified under FSC 5331 (O-Ring). Status: active.
NSN 5331-01-005-8367 has 7 cross-referenced part numbers: ARP568-218AMS3651 (Sae International Dba Sae International), 2-218 (Parker-Hannifin Corp Div O-Ring Division), ARP568-218T (Society of Automotive Engineers Inc), ARP568-218AMS3651 (Society of Automotive Engineers Inc), ARP568-218AMS3651CP (Naval Inventory Control Point Mechanicsburg) and 2 more.
There are 12 known substitutes for 5331-01-005-8367: 6540-00-082-1657, 5996-00-143-4783, 9540-00-148-4793 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for ARP568-218AMS3651: Material: PLASTIC POLYTETRAFLUOROETHYLENE; Outside Diameter: 1.512 INCHES NOMINAL IN; Cross-Sectional Height: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN; Material Document and Classification: AMS 3651 ASSN STD SINGLE MATERIAL RESPONSE. 7 total characteristics are documented in the Federal Logistics Information System.