The O-Ring, cataloged under National Stock Number 5331-01-258-0090, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Hesston Corp Woods Div. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | Hesston Corp Woods Div (CAGE 0CJY4) |
| Parameter | Value |
|---|---|
| NSN | 5331-01-258-0090 |
| Primary Part Number | S555X25 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Hesston Corp Woods Div |
| 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 |
|---|---|
| S555X25 PRIMARY | Hesston Corp Woods Div (USA) |
| Reference | Meaning |
|---|---|
| S555X25 | 3/9 Design control — primary reference Wain-Roy Co Inc |
NSN 5331-01-258-0090 is a O-Ring, manufactured by Hesston Corp Woods Div, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-258-0090 has 1 manufacturer part number on file: S555X25 (Hesston Corp Woods Div).
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.