The O-Ring, cataloged under National Stock Number 5331-01-077-5841, 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8 specifications, cited from the U.S. Government catalog. 9 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-077-5841 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Status | ACTIVE |
| Temp Rating | 275.0 FAHRENHEIT DEGF |
| Cross-Sectional Height | 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN |
| Outside Diameter | 0.441 INCHES NOMINAL IN |
| Criticality Code Justification | ZZZY |
| Material Document and Classification | MIL-R-15624 MIL SPEC SINGLE MATERIAL RESPONSE |
| Center Hole Diameter | 0.296 INCHES MINIMUM AND 0.306 INCHES MAXIMUM IN |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR |
| Reference Number Differentiating Characteristics | CLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Reference | Meaning |
|---|---|
| AS568-011MILP25732 | 3/1 Design control — primary reference Sae International Dba Sae International |
| 226624 ITEM 64 J200X11 | 5/1 Secondary reference U.S. Government activity |
| 226624 ITEM 64 J200X11CP | 5/1 Secondary reference Naval Inventory Control Point Mechanicsburg |
| ARP568-011MILP25732 | 5/1 Secondary reference Sae International Dba Sae International |
| ARP568-011MILP25732 | 5/9 Secondary reference U.S. Government activity |
| AS568-011MILP25732 | 3/9 Design control — primary reference U.S. Government activity |
| 4400173-0110CP | 5/1 Secondary reference Naval Inventory Control Point Mechanicsburg |
| 4400173-0110 | 5/1 Secondary reference U.S. Government activity |
| AS568-011MILP25732CP | 5/1 Secondary reference Naval Inventory Control Point Mechanicsburg |
NSN 5331-01-077-5841 is a O-Ring, classified under FSC 5331, O-ring. Status: active.
Key specifications for 5331-01-077-5841: Temp Rating: 275.0 FAHRENHEIT DEGF; Cross-Sectional Height: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN; Outside Diameter: 0.441 INCHES NOMINAL IN; Criticality Code Justification: ZZZY. 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.