The O-Ring, cataloged under National Stock Number 5331-01-168-9916, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Pall Corp Div Pall Corporation. The record lists 3 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). 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); Pall Corp Div Pall Corporation (CAGE 06816) |
| Parameter | Value |
|---|---|
| NSN | 5331-01-168-9916 |
| Primary Part Number | ORH-153 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Pall Corp Div Pall 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 |
|---|---|
| ORH153 | Pall France Sa Division Pall Aerospace (FRA) |
| ORH-153 | Pall Aeropower Corporation (USA) |
| ORH-153 PRIMARY | Pall Corp Div Pall Corporation (USA) |
| Reference | Meaning |
|---|---|
| 1197150 | 5/9 Secondary reference Pall Corp Div Pall Corporation |
| ORH153 | 5/9 Secondary reference Itw Limited T/a Houchin Aerospace Div Houchin Aerospace |
| ORH153 | 5/9 Secondary reference Houchin Aerospace Ltd |
| 10510868 | 7/2 Vendor item drawing reference General Dynamics Land Systems Canadacorp |
NSN 5331-01-168-9916 is a O-Ring, manufactured by Pall Corp Div Pall Corporation, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-168-9916 has 3 manufacturer part numbers on file: ORH153 (Pall France Sa Division Pall Aerospace), ORH-153 (Pall Aeropower Corporation), ORH-153 (Pall Corp Div Pall Corporation).
1 possible match (shared part number, not a government interchangeability claim): 6545-01-627-9345. Verify interchangeability with system specifications before substitution.
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.