The O-Ring, cataloged under National Stock Number 5331-01-399-7878, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Naval Inventory Control Point Mechanicsburg. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 10 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-399-7878 |
| Primary Part Number | 211004784CP |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-Ring |
| Manufacturer | Naval Inventory Control Point Mechanicsburg |
| Status | ACTIVE |
| Cross-Sectional Height | 0.139 INCHES NOMINAL IN |
| Criticality Code Justification | ZZZW |
| Departure From Cited Document | CLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D |
| Color | BLACK OR BROWN |
| Center Hole Diameter | 1.359 INCHES NOMINAL IN |
| Material | RUBBER FLUOROCARBON CLASS FPM |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 211004784CP | Naval Inventory Control Point Mechanicsburg (USA) |
| M83248/2-220 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| AS3209-220CP | Sae International Dba Sae International (USA) |
| 801-6404716 FIND 22CP | Naval Inventory Control Point Mechanicsburg (USA) |
| M83248/2-220CP | Naval Inventory Control Point Mechanicsburg (USA) |
| SAE-AMS7276 | Sae International Dba Sae International (USA) |
| AS3209-220CP | Society of Automotive Engineers Inc (USA) |
| 211004784 | Naval Sea Systems Command (USA) |
| 6404716 FIND 22CP | Naval Inventory Control Point Mechanicsburg (USA) |
| 801-6404716 FIND 22 | Naval Sea Systems Command (USA) |
NSN 5331-01-399-7878 is a O-Ring, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 5331 (O-Ring). Status: active.
NSN 5331-01-399-7878 has 10 cross-referenced part numbers: 211004784CP (Naval Inventory Control Point Mechanicsburg), M83248/2-220 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), AS3209-220CP (Sae International Dba Sae International), 801-6404716 FIND 22CP (Naval Inventory Control Point Mechanicsburg), M83248/2-220CP (Naval Inventory Control Point Mechanicsburg) and 5 more.
There is 1 known substitute for 5331-01-399-7878: 5331-00-166-1111. Verify interchangeability with system specifications before substitution.
Key specifications for 211004784CP: Cross-Sectional Height: 0.139 INCHES NOMINAL IN; Criticality Code Justification: ZZZW; Departure From Cited Document: CLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D; Color: BLACK OR BROWN. 6 total characteristics are documented in the Federal Logistics Information System.