The O-Ring, cataloged under National Stock Number 5331-01-643-0649, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division. Government technical data includes 2 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-643-0649 |
| Primary Part Number | 6-074 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division |
| Status | ACTIVE |
| Center Hole Diameter | 7.80 MILLIMETERS MINIMUM AND 8.20 MILLIMETERS MAXIMUM MM |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR |
| 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 |
|---|---|
| 10696526-010 | General Dynamics Land Systems Canadacorp (CAN) |
| 6-074 PRIMARY | Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division (USA) |
NSN 5331-01-643-0649 is a O-Ring, manufactured by Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-643-0649 has 2 manufacturer part numbers on file: 10696526-010 (General Dynamics Land Systems Canadacorp), 6-074 (Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division).
Key specifications for 6-074: Special Features: WIDTH: 1.50MM +/- .08MM, PORT THREAD: M10X1, OPERATING TEMPERATURE RANGE: -35 DEGREE C TO +120 DEGREE C, HARDNESSA70 - 90. MM; Center Hole Diameter: 7.80 MILLIMETERS MINIMUM AND 8.20 MILLIMETERS MAXIMUM MM; Part Name Assigned by Controlling Agency: O-RING; Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR. 2 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.