The O-Ring, cataloged under National Stock Number 5331-01-006-2124, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Parker Hannifin Corporation Div O-Ring Division. Government technical data includes 6 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through both NSN and commercial part number lookups. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-006-2124 |
| Primary Part Number | PRP128-11648 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Parker Hannifin Corporation Div O-Ring Division |
| Status | ACTIVE |
| Cross-Sectional Height | 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN |
| Outside Diameter | 1.693 INCHES NOMINAL IN |
| Hardness Rating | 80.0 SHORE DUROMETER A NOMINAL |
| Elongation Percentage | 125 MAXIMUM |
| Center Hole Diameter | 1.475 INCHES MINIMUM AND 1.499 INCHES MAXIMUM IN |
| Material | RUBBER FLUOROSILICONE CLASS FQ |
| 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 |
|---|---|
| PRP128-11648 | Parker Hannifin Corporation Div O-Ring Division (USA) |
| 128-11648 | Parker Hannifin Corporation Div O-Ring Division (USA) |
| Reference | Meaning |
|---|---|
| MIL-DTL-25988/4 | 4/1 Identification reference U.S. Government activity |
| 2-128L1007-80 | 5/1 Secondary reference Parker-Hannifin Corp Div O-Ring Division |
| 2-128 L806-80 | 5/9 Secondary reference Parker Hannifin Gmbh O-Ring Division |
| 2-128 L806-80 | 5/9 Secondary reference Parker-Hannifin Corp Div O-Ring Division |
| M25988/4-128 | 2/2 Government specification standardization U.S. Government activity |
| MIL-R-25988/4 | 5/9 Secondary reference U.S. Government activity |
| A-128TH1058 | 5/2 Secondary reference U.S. Government activity |
NSN 5331-01-006-2124 is a O-Ring, manufactured by Parker Hannifin Corporation Div O-Ring Division, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-006-2124 has 2 manufacturer part numbers on file: PRP128-11648 (Parker Hannifin Corporation Div O-Ring Division), 128-11648 (Parker Hannifin Corporation Div O-Ring Division).
Key specifications for PRP128-11648: Cross-Sectional Height: 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN; Outside Diameter: 1.693 INCHES NOMINAL IN; Hardness Rating: 80.0 SHORE DUROMETER A NOMINAL; Elongation Percentage: 125 MAXIMUM. 6 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.