The O-Ring, cataloged under National Stock Number 5331-01-432-5831, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Circor Naval Solutions Llc Dba Warren Pumps. Government technical data includes 3 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 | 5331-01-432-5831 |
| Primary Part Number | PL-999D0838 PC NO 30 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Circor Naval Solutions Llc Dba Warren Pumps |
| Status | ACTIVE |
| Cross-Sectional Height | 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN |
| Center Hole Diameter | 1.097 INCHES MINIMUM AND 1.121 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 |
|---|---|
| PL-999D0838 PC NO 30 PRIMARY | Circor Naval Solutions Llc Dba Warren Pumps (USA) |
| ARP568-216 | Parker-Hannifin Corp Div O-Ring Division (USA) |
NSN 5331-01-432-5831 is a O-Ring, manufactured by Circor Naval Solutions Llc Dba Warren Pumps, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-432-5831 has 2 manufacturer part numbers on file: PL-999D0838 PC NO 30 (Circor Naval Solutions Llc Dba Warren Pumps), ARP568-216 (Parker-Hannifin Corp Div O-Ring Division).
Key specifications for PL-999D0838 PC NO 30: Cross-Sectional Height: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN; Center Hole Diameter: 1.097 INCHES MINIMUM AND 1.121 INCHES MAXIMUM IN; Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR. 3 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.