The O-Ring, cataloged under National Stock Number 5331-01-616-0727, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Fastenal Company Dba Fastenal Co. Government technical data includes 4 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-616-0727 |
| Primary Part Number | 10388-02571 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Fastenal Company Dba Fastenal Co |
| Status | ACTIVE |
| Cross-Sectional Height | 4.87 MILLIMETERS MINIMUM AND 5.13 MILLIMETERS MAXIMUM MM |
| Outside Diameter | 260.0 MILLIMETERS NOMINAL MM |
| Center Hole Diameter | 253.48 MILLIMETERS MINIMUM AND 256.52 MILLIMETERS MAXIMUM MM |
| Material | PLASTIC FLUOROCARBON |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 10388-02571 PRIMARY | Fastenal Company Dba Fastenal Co (USA) |
| EP-0002958 | Independent Rough Terrain Center Llc (USA) |
NSN 5331-01-616-0727 is a O-Ring, manufactured by Fastenal Company Dba Fastenal Co, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-616-0727 has 2 manufacturer part numbers on file: 10388-02571 (Fastenal Company Dba Fastenal Co), EP-0002958 (Independent Rough Terrain Center Llc).
Key specifications for 10388-02571: Cross-Sectional Height: 4.87 MILLIMETERS MINIMUM AND 5.13 MILLIMETERS MAXIMUM MM; Outside Diameter: 260.0 MILLIMETERS NOMINAL MM; Center Hole Diameter: 253.48 MILLIMETERS MINIMUM AND 256.52 MILLIMETERS MAXIMUM MM; End Item Identification: 3930015999978. 4 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.