The O-Ring, cataloged under National Stock Number 5331-01-718-6383, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Parker-Hannifin Corp Div O-Ring Division. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-718-6383 |
| Primary Part Number | 5-181L708-70 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Parker-Hannifin Corp Div O-Ring Division |
| Status | ACTIVE |
| Cross-Sectional Height | 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN |
| Material Document and Classification | AMS7273 NATIONAL STD SINGLE MATERIAL RESPONSE |
| Center Hole Diameter | 0.484 INCHES MINIMUM AND 0.494 INCHES MAXIMUM IN |
| Material | FLUOROSILICONE |
| 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 |
|---|---|
| 5-181L708-70 PRIMARY | Parker-Hannifin Corp Div O-Ring Division (USA) |
| 5-181L1120-70 PRIMARY | Parker-Hannifin Corp Div O-Ring Division (USA) |
| Reference | Meaning |
|---|---|
| 561-5500 | 7/2 Vendor item drawing reference U.S. Government activity |
| 561-5500-9101 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
NSN 5331-01-718-6383 is a O-Ring, manufactured by Parker-Hannifin Corp Div O-Ring Division, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-718-6383 has 2 manufacturer part numbers on file: 5-181L708-70 (Parker-Hannifin Corp Div O-Ring Division), 5-181L1120-70 (Parker-Hannifin Corp Div O-Ring Division).
Key specifications for 5-181L708-70: Cross-Sectional Height: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN; Material Document and Classification: AMS7273 NATIONAL STD SINGLE MATERIAL RESPONSE; Center Hole Diameter: 0.484 INCHES MINIMUM AND 0.494 INCHES MAXIMUM IN; Part Name Assigned by Controlling Agency: PACKING, PREFORMED. 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.