The O-Ring, cataloged under National Stock Number 5331-01-658-9801, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Palmer Johnson Power Systems Llc Dba Palmer Johnson Distributors. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | O-Ring |
| FSC / FSG | 5331 — O-ring (FSG 53) |
| Manufacturers | Palmer Johnson Power Systems Llc Dba Palmer Johnson Distributors (CAGE 1EPQ7) |
| Parameter | Value |
|---|---|
| NSN | 5331-01-658-9801 |
| Primary Part Number | ZFZF0634306168 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Palmer Johnson Power Systems Llc Dba Palmer Johnson Distributors |
| Status | ACTIVE |
| 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 |
|---|---|
| ZFZF0634306168 PRIMARY | Palmer Johnson Power Systems Llc Dba Palmer Johnson Distributors (USA) |
| Reference | Meaning |
|---|---|
| 0634.306.168 | 5/9 Secondary reference Palmer Johnson Power Systems Llc Dba Palmer Johnson Distributors |
NSN 5331-01-658-9801 is a O-Ring, manufactured by Palmer Johnson Power Systems Llc Dba Palmer Johnson Distributors, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-658-9801 has 1 manufacturer part number on file: ZFZF0634306168 (Palmer Johnson Power Systems Llc Dba Palmer Johnson Distributors).
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.