The O-Ring, cataloged under National Stock Number 5331-01-688-0684, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Eaton Filtration Llc. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-688-0684 |
| Primary Part Number | ST01117 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Eaton Filtration Llc |
| Status | ACTIVE |
| Cross-Sectional Height | 18.505 INCHES NOMINAL IN |
| Center Hole Diameter | 17.955 INCHES NOMINAL IN |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 5331-01-688-0684 is a O-Ring, manufactured by Eaton Filtration Llc, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-688-0684 has 2 manufacturer part numbers on file: 1KTL8 (W.w. Grainger, Inc. Div Government Sales Division), ST01117 (Eaton Filtration Llc).
Key specifications for ST01117: Cross-Sectional Height: 18.505 INCHES NOMINAL IN; Center Hole Diameter: 17.955 INCHES NOMINAL IN; Part Name Assigned by Controlling Agency: ROUND NO. 465 MEDIUM HARD BUNA N O-RING; End Item Identification: 1915-01-495-0036. 3 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.