The O-Ring, cataloged under National Stock Number 5331-00-545-5332, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. Government technical data includes 8 specifications, cited from the U.S. Government catalog. 12 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-00-545-5332 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Status | ACTIVE |
| Cross-Sectional Height | 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN |
| Outside Diameter | 0.441 INCHES NOMINAL IN |
| Criticality Code Justification | ZZZW |
| Elongation Percentage | 125 MAXIMUM |
| Specification/standard Data | 80205-NAS1594 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Departure From Cited Document | CLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D |
| Center Hole Diameter | 0.294 INCHES MINIMUM AND 0.308 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 |
|---|---|
| 281770-0001 ITEM 62 | 5/1 Secondary reference U.S. Government activity |
| 4405591-0113CP | 5/1 Secondary reference Naval Inventory Control Point Mechanicsburg |
| 4405591-0113 | 5/1 Secondary reference U.S. Government activity |
| 4400591-0110 | 5/1 Secondary reference U.S. Government activity |
| 281770-0001 ITEM 62CP | 5/1 Secondary reference Naval Inventory Control Point Mechanicsburg |
| 280974-0001PC62 | 5/1 Secondary reference U.S. Government activity |
| 280974-0001PC62CP | 5/1 Secondary reference Naval Inventory Control Point Mechanicsburg |
| 4400591-0110CP | 5/1 Secondary reference Naval Inventory Control Point Mechanicsburg |
| ARP568-011MILR25897CL2CP | 5/1 Secondary reference Naval Inventory Control Point Mechanicsburg |
| NAS1594-011 | 3/1 Design control — primary reference U.S. Government activity |
| NAS1594-011CP | 5/1 Secondary reference Naval Inventory Control Point Mechanicsburg |
| ARP568-011MILR25897CL2 | 5/1 Secondary reference U.S. Government activity |
NSN 5331-00-545-5332 is a O-Ring, classified under FSC 5331, O-ring. Status: active.
Key specifications for 5331-00-545-5332: Cross-Sectional Height: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN; Outside Diameter: 0.441 INCHES NOMINAL IN; Criticality Code Justification: ZZZW; Elongation Percentage: 125 MAXIMUM. 8 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.