The O-Ring, cataloged under National Stock Number 5331-01-218-8841, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Naval Ship Systems Command. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 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 | 5331-01-218-8841 |
| Primary Part Number | 9000-S6501-73689PC 14 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-Ring |
| Manufacturer | Naval Ship Systems Command |
| Status | ACTIVE |
| Center Hole Diameter | 4.710 INCHES MINIMUM AND 4.740 INCHES MAXIMUM IN |
| Material | RUBBER |
| Temp Rating | -65.0 FAHRENHEIT AND 275.0 FAHRENHEIT DEGF |
| Criticality Code Justification | ZZZY |
| Peripheral Diameter | 5.275 INCHES NOMINAL IN |
| Cross-Sectional Height | 0.269 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN |
| Elongation Percentage | 160 MAXIMUM |
| Reference Number Differentiating Characteristics | MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 9000-S6501-73689PC 14 | Naval Ship Systems Command (USA) |
| MS28775-427 | Sae International Dba Sae International (USA) |
| SAE-AS28775 | Sae International Dba Sae International (USA) |
| MS28775-427 | Society of Automotive Engineers Inc (USA) |
| MS28775-427 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
NSN 5331-01-218-8841 is a O-Ring, manufactured by Naval Ship Systems Command, classified under FSC 5331 (O-Ring). Status: active.
NSN 5331-01-218-8841 has 5 cross-referenced part numbers: 9000-S6501-73689PC 14 (Naval Ship Systems Command), MS28775-427 (Sae International Dba Sae International), SAE-AS28775 (Sae International Dba Sae International), MS28775-427 (Society of Automotive Engineers Inc), MS28775-427 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).
There are 2 known substitutes for 5331-01-218-8841: 5331-00-579-3160, 5331-01-183-0985. Verify interchangeability with system specifications before substitution.
Key specifications for 9000-S6501-73689PC 14: Center Hole Diameter: 4.710 INCHES MINIMUM AND 4.740 INCHES MAXIMUM IN; Material: RUBBER; Temp Rating: -65.0 FAHRENHEIT AND 275.0 FAHRENHEIT DEGF; Criticality Code Justification: ZZZY. 8 total characteristics are documented in the Federal Logistics Information System.