The O-Ring, cataloged under National Stock Number 5331-00-975-1739, 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 7 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-00-975-1739 |
| Primary Part Number | 2-133L449-6 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Parker-Hannifin Corp Div O-Ring Division |
| Status | ACTIVE |
| Cross-Sectional Height | 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN |
| Elongation Percentage | 125 MAXIMUM |
| Center Hole Diameter | 1.789 INCHES MINIMUM AND 1.809 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 |
|---|---|
| B63115-133 | Parco, Llc (USA) |
| 2-133 L449-65 | Parker-Hannifin Corp Div O-Ring Division (USA) |
| PRP133-11646 | Parker Hannifin Corporation Div O-Ring Division (USA) |
| PRP568-133-1133-60 | Parco, Llc (USA) |
| 2-133L449-6 PRIMARY | Parker-Hannifin Corp Div O-Ring Division (USA) |
| H733-4-133 | Burke Industries Purosil Div (USA) |
| 133-11646 | Parker Hannifin Corporation Div O-Ring Division (USA) |
| Reference | Meaning |
|---|---|
| C007-133 | 7/2 Vendor item drawing reference U.S. Government activity |
| AA-133TH1047 | 5/2 Secondary reference U.S. Government activity |
| 2-133L449-6 | 5/9 Secondary reference U.S. Government activity |
| 11-133-8450-60 | 5/9 Secondary reference U.S. Government activity |
NSN 5331-00-975-1739 is a O-Ring, manufactured by Parker-Hannifin Corp Div O-Ring Division, classified under FSC 5331, O-ring. Status: active.
NSN 5331-00-975-1739 has 7 manufacturer part numbers on file: B63115-133 (Parco, Llc), 2-133 L449-65 (Parker-Hannifin Corp Div O-Ring Division), PRP133-11646 (Parker Hannifin Corporation Div O-Ring Division), PRP568-133-1133-60 (Parco, Llc), 2-133L449-6 (Parker-Hannifin Corp Div O-Ring Division) and 2 more.
Key specifications for 2-133L449-6: Cross-Sectional Height: 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN; Elongation Percentage: 125 MAXIMUM; Center Hole Diameter: 1.789 INCHES MINIMUM AND 1.809 INCHES MAXIMUM IN; Material: RUBBER FLUOROSILICONE CLASS FQ. 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.