The O-Ring, cataloged under National Stock Number 5331-01-268-3484, 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7 specifications, cited from the U.S. Government catalog. 11 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-268-3484 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Status | ACTIVE |
| Temp Rating | -65.0 FAHRENHEIT AND 275.0 FAHRENHEIT DEGF |
| Cross-Sectional Height | 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN |
| Outside Diameter | 0.879 INCHES NOMINAL IN |
| Criticality Code Justification | ADYT |
| Elongation Percentage | 160 MAXIMUM |
| Center Hole Diameter | 0.734 INCHES MINIMUM AND 0.744 INCHES MAXIMUM IN |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR |
| 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 |
|---|---|
| MS28775-018 | 5/9 Secondary reference U.S. Government activity |
| MS28775-018 | 3/1 Design control — primary reference Sae International Dba Sae International |
| 703433-018 | C/1 Advisory reference — outside the item-of-supply concept Pall Corporation Fluid Dynamics Division Dba Pall Corporation Fluid Dynamics |
| JV182-695 PC11 | C/1 Advisory reference — outside the item-of-supply concept Automatic Switch Company Dba Asco |
| SAE-AS28775 | 3/1 Design control — primary reference Sae International Dba Sae International |
| 5331PL0798381 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| MS28775-018 | 5/9 Secondary reference U.S. Government activity |
| JV182-695 | C/1 Advisory reference — outside the item-of-supply concept Automatic Switch Company Dba Asco |
| AV182-201 | C/1 Advisory reference — outside the item-of-supply concept Automatic Switch Company Dba Asco |
| 012525310-44 | C/1 Advisory reference — outside the item-of-supply concept Naval Inventory Control Point Mechanicsburg |
| 009383-07 | C/1 Advisory reference — outside the item-of-supply concept Pall Corporation Fluid Dynamics Division Dba Pall Corporation Fluid Dynamics |
NSN 5331-01-268-3484 is a O-Ring, classified under FSC 5331, O-ring. Status: active.
Key specifications for 5331-01-268-3484: Temp Rating: -65.0 FAHRENHEIT AND 275.0 FAHRENHEIT DEGF; Cross-Sectional Height: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN; Outside Diameter: 0.879 INCHES NOMINAL IN; Criticality Code Justification: ADYT. 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.