The O-Ring, cataloged under National Stock Number 5331-01-245-4097, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Hynautic Inc Div of Sta-Rite Industries Inc. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-245-4097 |
| Primary Part Number | 211155 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Hynautic Inc Div of Sta-Rite Industries Inc |
| Status | ACTIVE |
| Cross-Sectional Height | 0.094 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 |
| Part Number | Manufacturer |
|---|---|
| 211155 PRIMARY | Hynautic Inc Div of Sta-Rite Industries Inc (USA) |
NSN 5331-01-245-4097 is a O-Ring, manufactured by Hynautic Inc Div of Sta-Rite Industries Inc, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-245-4097 has 1 manufacturer part number on file: 211155 (Hynautic Inc Div of Sta-Rite Industries Inc).
1 possible match (shared part number, not a government interchangeability claim): 5310-01-483-7599. Verify interchangeability with system specifications before substitution.
Key specifications for 211155: Cross-Sectional Height: 0.094 INCHES NOMINAL IN; Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR. 2 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.