The O-Ring, cataloged under National Stock Number 5331-01-077-5840, 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 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 11 commercial cross-references from 4 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 | 5331-01-077-5840 |
| Primary Part Number | AS568-904MILP25732 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-Ring |
| Manufacturer | Sae International Dba Sae International |
| Status | ACTIVE |
| Criticality Code Justification | ZZZY |
| Center Hole Diameter | 0.346 INCHES MINIMUM AND 0.356 INCHES MAXIMUM IN |
| Outside Diameter | 0.495 INCHES NOMINAL IN |
| Reference Number Differentiating Characteristics | CLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D |
| Hardness Rating | 68.0 SHORE DUROMETER A NOMINAL |
| Cross-Sectional Height | 0.069 INCHES MINIMUM AND 0.075 INCHES MAXIMUM IN |
| Material | RUBBER SYNTHETIC |
| Elongation Percentage | 160 MAXIMUM |
| Temp Rating | -65.0 FAHRENHEIT AND 275.0 FAHRENHEIT DEGF |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| AS568-904MILP25732 | Sae International Dba Sae International (USA) |
| 226624 ITEM 67 J201X4 | Marotta Controls Inc (USA) |
| ARP568-904MILP25732 | Society of Automotive Engineers Inc (USA) |
| AS568-904MILP25732 | Society of Automotive Engineers Inc (USA) |
| ARP568-904MILP25732CP | Naval Inventory Control Point Mechanicsburg (USA) |
| AS568-904 | Society of Automotive Engineers Inc (USA) |
| 4410173-9040 | Marotta Controls Inc (USA) |
| 226624 ITEM 67 J201X4CP | Naval Inventory Control Point Mechanicsburg (USA) |
| AS568-904MILP25732CP | Naval Inventory Control Point Mechanicsburg (USA) |
| AS568-904 | Sae International Dba Sae International (USA) |
| 4410173-9040CP | Naval Inventory Control Point Mechanicsburg (USA) |
NSN 5331-01-077-5840 is a O-Ring, manufactured by Sae International Dba Sae International, classified under FSC 5331 (O-Ring). Status: active.
NSN 5331-01-077-5840 has 11 cross-referenced part numbers: AS568-904MILP25732 (Sae International Dba Sae International), 226624 ITEM 67 J201X4 (Marotta Controls Inc), ARP568-904MILP25732 (Society of Automotive Engineers Inc), AS568-904MILP25732 (Society of Automotive Engineers Inc), ARP568-904MILP25732CP (Naval Inventory Control Point Mechanicsburg) and 6 more.
There are 12 known substitutes for 5331-01-077-5840: 5331-00-065-0234, 5331-00-068-9528, 5331-00-138-9986 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for AS568-904MILP25732: Criticality Code Justification: ZZZY; Center Hole Diameter: 0.346 INCHES MINIMUM AND 0.356 INCHES MAXIMUM IN; Outside Diameter: 0.495 INCHES NOMINAL IN; Reference Number Differentiating Characteristics: CLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D. 9 total characteristics are documented in the Federal Logistics Information System.