The O-Ring, cataloged under National Stock Number 5331-01-571-8598, 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 5 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-571-8598 |
| Primary Part Number | P0642 2-011 |
| 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 |
| Hardness Rating | 70.0 SHORE DUROMETER A NOMINAL |
| Material Document and Classification | PARKER O-RING DIV (CAGEC 02697) COMPOUND +0642 MFR REF SINGLE MATERIAL RESPONSE |
| Center Hole Diameter | 0.292 INCHES MINIMUM AND 0.306 INCHES MAXIMUM IN |
| Material | PLASTIC POLYURETHANE |
| 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 |
|---|---|
| P0642 2-011 PRIMARY | Parker-Hannifin Corp Div O-Ring Division (USA) |
| 2-011 P0642-70 | Parker-Hannifin Corp Div O-Ring Division (USA) |
| Reference | Meaning |
|---|---|
| 4080109082 | C/1 Advisory reference — outside the item-of-supply concept Milton Roy Llc Dba Milton Roy Americas |
| 4080109082 | 5/9 Secondary reference Milton Roy Co Flow Control Div |
| 339-0047-000 PG42 NO. 150 | 5/9 Secondary reference Milton Roy Co Flow Control Div |
| 339-0047-000 PG42 NO. 150 | C/1 Advisory reference — outside the item-of-supply concept Milton Roy Llc Dba Milton Roy Americas |
NSN 5331-01-571-8598 is a O-Ring, manufactured by Parker-Hannifin Corp Div O-Ring Division, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-571-8598 has 2 manufacturer part numbers on file: P0642 2-011 (Parker-Hannifin Corp Div O-Ring Division), 2-011 P0642-70 (Parker-Hannifin Corp Div O-Ring Division).
Key specifications for P0642 2-011: Cross-Sectional Height: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN; Hardness Rating: 70.0 SHORE DUROMETER A NOMINAL; Material Document and Classification: PARKER O-RING DIV (CAGEC 02697) COMPOUND +0642 MFR REF SINGLE MATERIAL RESPONSE; Center Hole Diameter: 0.292 INCHES MINIMUM AND 0.306 INCHES MAXIMUM IN. 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.