The O-Ring, cataloged under National Stock Number 5331-01-183-8766, 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 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 12 commercial cross-references from 9 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-183-8766 |
| Primary Part Number | 845-4690477ITEMF21 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-Ring |
| Manufacturer | Naval Ship Systems Command |
| Status | ACTIVE |
| Cross-Sectional Height | 0.094 INCHES NOMINAL IN |
| Criticality Code Justification | ZZZW |
| Center Hole Diameter | 0.625 INCHES NOMINAL IN |
| Departure From Cited Document | MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS |
| Temp Rating | 275.0 FAHRENHEIT DEGF |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 845-4690477ITEMF21 | Naval Ship Systems Command (USA) |
| 845-2445201 PC 7 | Naval Ship Systems Command (USA) |
| 845-2181262 | Electric Boat Corporation Div General Dynamics Electric Boat (USA) |
| MS28775-114 | Society of Automotive Engineers Inc (USA) |
| MS28775-114 | Naval Inventory Control Point Mechanicsburg (USA) |
| SAE-AS28775 | Sae International Dba Sae International (USA) |
| E73838 PC 122 | Flowserve Corp Dba Automax Actuators Div Flowserve Us Company (USA) |
| V60 PIECE 28 | Hunt Valve Company Inc Dba Union Flonetics (USA) |
| 5468-16BW PC 13 | Snap-Tite Inc Dba Snap Tite Solenoid Valve Div (USA) |
| MS28775-114 | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
| D31680 | Hunt Valve Company Inc Dba Union Flonetics (USA) |
| MS28775-114 | Sae International Dba Sae International (USA) |
NSN 5331-01-183-8766 is a O-Ring, manufactured by Naval Ship Systems Command, classified under FSC 5331 (O-Ring). Status: active.
NSN 5331-01-183-8766 has 12 cross-referenced part numbers: 845-4690477ITEMF21 (Naval Ship Systems Command), 845-2445201 PC 7 (Naval Ship Systems Command), 845-2181262 (Electric Boat Corporation Div General Dynamics Electric Boat), MS28775-114 (Society of Automotive Engineers Inc), MS28775-114 (Naval Inventory Control Point Mechanicsburg) and 7 more.
There are 5 known substitutes for 5331-01-183-8766: 5821-00-497-5720, 5331-00-618-0801, 5331-01-160-2081 and 2 more. Verify interchangeability with system specifications before substitution.
Key specifications for 845-4690477ITEMF21: Cross-Sectional Height: 0.094 INCHES NOMINAL IN; Criticality Code Justification: ZZZW; Center Hole Diameter: 0.625 INCHES NOMINAL IN; Departure From Cited Document: MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS. 5 total characteristics are documented in the Federal Logistics Information System.