The O-Ring, cataloged under National Stock Number 5331-01-541-1866, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Naval Sea Systems Command. Government technical data includes 2 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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-541-1866 |
| Primary Part Number | 6393878 FIND 8 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-Ring |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Departure From Cited Designator | MATERIAL CONTROLLED IAW SS800-AG-MAN-010/P-9290 SYSTEM CERTIFICATION PROCEDURES AND CRITERIA MANUAL FOR DEEP SUBMERGENCE SYSTEMS; CRITICAL ITEM FOR SAFETY AND SURVIVAL OF DEEP SUBMERGENCE RESEARCH AND RESCUE VEHICLES AS DIFFERENTIATED BY SPECIAL TEST FEATURES |
| Criticality Code Justification | ZZZX |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 6393878 FIND 8 | Naval Sea Systems Command (USA) |
| 6391065 FIND 008D4 | Naval Inventory Control Point Mechanicsburg (USA) |
| 6393877 FIND 008D4 | Naval Inventory Control Point Mechanicsburg (USA) |
| 6393878 FIND 8 | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA) |
| 6393877 FIND 008 | Naval Sea Systems Command (USA) |
| 5793654 FIND 014D4 | Naval Inventory Control Point Mechanicsburg (USA) |
| M83248/2-011D4 | Naval Inventory Control Point Mechanicsburg (USA) |
| 6393878 FIND 8D4 | Naval Inventory Control Point Mechanicsburg (USA) |
| 5793654 FIND 014 | Naval Sea Systems Command (USA) |
| 6391065 FIND 008 | Naval Sea Systems Command (USA) |
| M83248/2-011 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
NSN 5331-01-541-1866 is a O-Ring, manufactured by Naval Sea Systems Command, classified under FSC 5331 (O-Ring). Status: active.
NSN 5331-01-541-1866 has 11 cross-referenced part numbers: 6393878 FIND 8 (Naval Sea Systems Command), 6391065 FIND 008D4 (Naval Inventory Control Point Mechanicsburg), 6393877 FIND 008D4 (Naval Inventory Control Point Mechanicsburg), 6393878 FIND 8 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp), 6393877 FIND 008 (Naval Sea Systems Command) and 6 more.
There are 4 known substitutes for 5331-01-541-1866: 5331-00-166-1081, 5330-01-216-8802, 5331-01-432-5835 and 1 more. Verify interchangeability with system specifications before substitution.
Key specifications for 6393878 FIND 8: End Item Identification: PRIMARY BANK 2, GAGE PNL ASSEMBLY HIG; RESERVE HP AIR PRESSURE GAGE PANEL ASSEMBLY; LOW PRESSURE OXYGEN PRIMARY XDCR PANEL; EBS MANIFOLD ASSEMBLY, TRANSPORT CPT; SCRUBBER ASSEMBLY, EBS, TC; Departure From Cited Designator: MATERIAL CONTROLLED IAW SS800-AG-MAN-010/P-9290 SYSTEM CERTIFICATION PROCEDURES AND CRITERIA MANUAL FOR DEEP SUBMERGENCE SYSTEMS; CRITICAL ITEM FOR SAFETY AND SURVIVAL OF DEEP SUBMERGENCE RESEARCH AND RESCUE VEHICLES AS DIFFERENTIATED BY SPECIAL TEST FEATURES; Part Name Assigned by Controlling Agency: PACKING, PREFORMED (INAVY); RESERVE AIR PRESSURE GAGE PANEL ASSEMBLY (DRAWING); Criticality Code Justification: ZZZX. 4 total characteristics are documented in the Federal Logistics Information System.