The Ring,serrated, cataloged under National Stock Number 5365-00-478-2131, is classified within Federal Supply Class 5365 (Bushings, Rings, Shims, and Spacers) of the Hardware and Abrasives group. The manufacturer of record is Psi-Peripheral Support. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5365-00-478-2131 |
| Primary Part Number | S235-3 |
| Item Name | Ring,serrated |
| FSC / FSG | 5365 / 53 — Bushings, Rings, Shims, and Spacers |
| Manufacturer | Psi-Peripheral Support |
| 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 |
|---|---|
| 17-550001 | Psi-Peripheral Support (USA) |
| S235-3 PRIMARY | Psi-Peripheral Support (USA) |
| Reference | Meaning |
|---|---|
| 530915 | C/1 Advisory reference — outside the item-of-supply concept Miltope Corporation |
| S235-3 | 5/9 Secondary reference Miltope Corporation |
| 352229008640 | 5/9 Secondary reference Alcatel-Lucent Network Systems |
NSN 5365-00-478-2131 is a Ring,serrated, manufactured by Psi-Peripheral Support, classified under FSC 5365, Bushings, Rings, Shims, and Spacers. Status: active.
NSN 5365-00-478-2131 has 2 manufacturer part numbers on file: 17-550001 (Psi-Peripheral Support), S235-3 (Psi-Peripheral Support).
Key specifications for S235-3: End Item Identification: USED ON ARTS3 EQUIPMENT. 0 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.