The O-Ring, cataloged under National Stock Number 5331-00-548-4334, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. Government technical data includes 7 specifications, cited from the U.S. Government catalog. 17 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-00-548-4334 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Status | ACTIVE |
| Cross-Sectional Height | 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN |
| Outside Diameter | 2.256 INCHES NOMINAL IN |
| Criticality Code Justification | ZZZW |
| Elongation Percentage | 125 MAXIMUM |
| Departure From Cited Document | CLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D |
| Center Hole Diameter | 2.040 INCHES MINIMUM AND 2.060 INCHES MAXIMUM IN |
| Material | RUBBER FLUOROCARBON CLASS FPM |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | S |
| Reference | Meaning |
|---|---|
| ARP568-137MILR25897CL2CP | 5/1 Secondary reference Naval Inventory Control Point Mechanicsburg |
| 281770-0001 ITEM 63 | 5/1 Secondary reference U.S. Government activity |
| 280974-0001PC63 | 5/1 Secondary reference U.S. Government activity |
| 280974-0001PC63CP | 5/1 Secondary reference Naval Inventory Control Point Mechanicsburg |
| 4400591-1370 | 5/1 Secondary reference U.S. Government activity |
| 281770-0001 ITEM 63CP | 5/1 Secondary reference Naval Inventory Control Point Mechanicsburg |
| 283096-0001 PC 63 | 5/1 Secondary reference U.S. Government activity |
| AS568-137AMS7259 CP | 5/1 Secondary reference Sae International Dba Sae International |
| 4405591-1373 | 5/1 Secondary reference U.S. Government activity |
| 283096-0001 PC 63CP | 5/1 Secondary reference Naval Inventory Control Point Mechanicsburg |
| AS568-137MILP25897CL2 | 3/1 Design control — primary reference Sae International Dba Sae International |
| 4405591-1373CP | 5/1 Secondary reference Naval Inventory Control Point Mechanicsburg |
| ARP568-137MILR25897CL2 | 5/1 Secondary reference U.S. Government activity |
| 4400591-1370CP | 5/9 Secondary reference Davis Don V Co |
| AS568-137MILP25897CL2CP | 5/1 Secondary reference Naval Inventory Control Point Mechanicsburg |
| AS568-137MILP25897CL2 | 3/9 Design control — primary reference U.S. Government activity |
| AS568-137AMS7259 CP | 5/9 Secondary reference U.S. Government activity |
NSN 5331-00-548-4334 is a O-Ring, classified under FSC 5331, O-ring. Status: active.
Key specifications for 5331-00-548-4334: Cross-Sectional Height: 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN; Outside Diameter: 2.256 INCHES NOMINAL IN; Criticality Code Justification: ZZZW; Elongation Percentage: 125 MAXIMUM. 7 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.