The O-Ring, cataloged under National Stock Number 5331-01-550-4825, 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. Government technical data includes 5 specifications, cited from the U.S. Government catalog. The record lists 6 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 8 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-550-4825 |
| Primary Part Number | DF330613 FIND NO 87CP |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Naval Inventory Control Point Mechanicsburg |
| Status | ACTIVE |
| Cross-Sectional Height | 0.275 INCHES NOMINAL IN |
| Criticality Code Justification | ZZZY |
| Center Hole Diameter | 5.725 INCHES NOMINAL IN |
| Material | PLASTIC FLUOROCARBON |
| 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 | S |
| Part Number | Manufacturer |
|---|---|
| DF330613 FIND NO 87CP | Naval Inventory Control Point Mechanicsburg (USA) |
| 801-6408529 FIND NO 87CP | Naval Inventory Control Point Mechanicsburg (USA) |
| 7550478-DF330613-087CP | Naval Inventory Control Point Mechanicsburg (USA) |
| G547-0002-DF330613-087CP | Naval Inventory Control Point Mechanicsburg (USA) |
| 7383858-DF330613-97-87CP | Naval Inventory Control Point Mechanicsburg (USA) |
| H547-0001-DF330613-97-87CP | Naval Inventory Control Point Mechanicsburg (USA) |
| Reference | Meaning |
|---|---|
| G547-0002-DF330613-087 | 5/1 Secondary reference U.S. Government activity |
| DF330613 FIND NO 87 | 5/1 Secondary reference Huntington Ingalls Inc Div Newport News Shipbuilding |
| 801-6408529 FIND NO 87 | 5/1 Secondary reference Naval Sea Systems Command |
| M83248/1-435 | 5/1 Secondary reference U.S. Government activity |
| H547-0001-DF330613-97-87 | 5/1 Secondary reference U.S. Government activity |
| M83248/1-435CP | 3/1 Design control — primary reference Naval Inventory Control Point Mechanicsburg |
| 7550478-DF330613-087 | 5/1 Secondary reference Naval Sea Systems Command |
| 7383858-DF330613-97-87 | 5/1 Secondary reference Naval Sea Systems Command |
NSN 5331-01-550-4825 is a O-Ring, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-550-4825 has 6 manufacturer part numbers on file: DF330613 FIND NO 87CP (Naval Inventory Control Point Mechanicsburg), 801-6408529 FIND NO 87CP (Naval Inventory Control Point Mechanicsburg), 7550478-DF330613-087CP (Naval Inventory Control Point Mechanicsburg), G547-0002-DF330613-087CP (Naval Inventory Control Point Mechanicsburg), 7383858-DF330613-97-87CP (Naval Inventory Control Point Mechanicsburg) and 1 more.
Key specifications for DF330613 FIND NO 87CP: Cross-Sectional Height: 0.275 INCHES NOMINAL IN; Criticality Code Justification: ZZZY; Center Hole Diameter: 5.725 INCHES NOMINAL IN; End Item Identification: VALVE, HULL/BACKUP 2.000 IPS CU NI.. 5 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.