The O-Ring, cataloged under National Stock Number 5331-01-168-9917, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Pall Aeropower Corporation. 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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.
| Item Name | O-Ring |
| FSC / FSG | 5331 — O-ring (FSG 53) |
| Manufacturers | Pall France Sa Division Pall Aerospace (CAGE F6951); Pall Aeropower Corporation (CAGE 1EP30) |
| Parameter | Value |
|---|---|
| NSN | 5331-01-168-9917 |
| Primary Part Number | ORH-131 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Pall Aeropower Corporation |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| ORH131 | Pall France Sa Division Pall Aerospace (FRA) |
| ORH-131 PRIMARY | Pall Aeropower Corporation (USA) |
| Reference | Meaning |
|---|---|
| 10510873 | 7/2 Vendor item drawing reference General Dynamics Land Systems Canadacorp |
| ORH131 | 5/9 Secondary reference Itw Limited T/a Houchin Aerospace Div Houchin Aerospace |
| ORH131 | 5/9 Secondary reference Houchin Aerospace Ltd |
| ORH-131 | 5/9 Secondary reference Pall Corp Div Pall Corporation |
NSN 5331-01-168-9917 is a O-Ring, manufactured by Pall Aeropower Corporation, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-168-9917 has 2 manufacturer part numbers on file: ORH131 (Pall France Sa Division Pall Aerospace), ORH-131 (Pall Aeropower Corporation).
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.