The O-Ring, cataloged under National Stock Number 5331-01-717-8521, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Naval Inventory Control Point Mechanicsburg. The record lists 6 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | O-Ring |
| FSC / FSG | 5331 — O-ring (FSG 53) |
| Manufacturers | Naval Inventory Control Point Mechanicsburg (CAGE 03950) |
| Parameter | Value |
|---|---|
| NSN | 5331-01-717-8521 |
| Primary Part Number | 563-8837194-39L1 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Naval Inventory Control Point Mechanicsburg |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | S |
| Part Number | Manufacturer |
|---|---|
| 563-8837194-39L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| R5535002-309L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| LSA003267-39L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| R6961602-39L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| 726-8835706-309L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| LSA004586-309L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| Reference | Meaning |
|---|---|
| 726-8835706-309 | 3/1 Design control — primary reference Naval Sea Systems Command |
| LSA004586-309 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| R5535002-309 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| LSA003267-39 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| 563-8837194-39 | 5/1 Secondary reference Naval Sea Systems Command |
| R6961602-39 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
NSN 5331-01-717-8521 is a O-Ring, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-717-8521 has 6 manufacturer part numbers on file: 563-8837194-39L1 (Naval Inventory Control Point Mechanicsburg), R5535002-309L1 (Naval Inventory Control Point Mechanicsburg), LSA003267-39L1 (Naval Inventory Control Point Mechanicsburg), R6961602-39L1 (Naval Inventory Control Point Mechanicsburg), 726-8835706-309L1 (Naval Inventory Control Point Mechanicsburg) and 1 more.
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.