The O-Ring, cataloged under National Stock Number 5331-01-520-7191, 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 Hydraulic Valve 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-520-7191 |
| Primary Part Number | 3-932 N0552 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division |
| Status | ACTIVE |
| Cross-Sectional Height | 0.114 INCHES MINIMUM IN |
| Hardness Rating | 90.0 SHORE DUROMETER A NOMINAL |
| Material Document and Classification | ASTM D2000 -2BG910B14EA14EF21EO14EO34 ASSN STD SINGLE MATERIAL RESPONSE |
| Center Hole Diameter | 0.114 INCHES MINIMUM AND 0.122 INCHES MAXIMUM IN |
| 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 |
|---|---|
| 3-932 N0552 PRIMARY | Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division (USA) |
| 3-932 N0552 | Parker-Hannifin Corp Div O-Ring Division (USA) |
| Reference | Meaning |
|---|---|
| MIL-STD-129 | 4/1 Identification reference U.S. Government activity |
| N0552 3-932 | 5/9 Secondary reference Parker-Hannifin Corp Div O-Ring Division |
| 3-932 N552-90 | 5/9 Secondary reference Parker-Hannifin Corp Div O-Ring Division |
NSN 5331-01-520-7191 is a O-Ring, manufactured by Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-520-7191 has 2 manufacturer part numbers on file: 3-932 N0552 (Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division), 3-932 N0552 (Parker-Hannifin Corp Div O-Ring Division).
Key specifications for 3-932 N0552: Cross-Sectional Height: 0.114 INCHES MINIMUM IN; Hardness Rating: 90.0 SHORE DUROMETER A NOMINAL; Material Document and Classification: ASTM D2000 -2BG910B14EA14EF21EO14EO34 ASSN STD SINGLE MATERIAL RESPONSE; Center Hole Diameter: 0.114 INCHES MINIMUM AND 0.122 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.