The O-Ring, cataloged under National Stock Number 5331-01-458-5559, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Beta Fueling Systems, Llc. Government technical data includes 4 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 | 5331-01-458-5559 |
| Primary Part Number | 872FS-Z001-33 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Beta Fueling Systems, Llc |
| Status | ACTIVE |
| Cross-Sectional Height | 0.312 INCHES NOMINAL IN |
| Material Document and Classification | MIL-R-6855, CL 1, GR 70 MIL SPEC SINGLE MATERIAL RESPONSE |
| Center Hole Diameter | 15.750 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 |
|---|---|
| 872FS-Z001-33 PRIMARY | Beta Fueling Systems, Llc (USA) |
| OOOU-Z015-14 PRIMARY | Beta Fueling Systems, Llc (USA) |
NSN 5331-01-458-5559 is a O-Ring, manufactured by Beta Fueling Systems, Llc, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-458-5559 has 2 manufacturer part numbers on file: 872FS-Z001-33 (Beta Fueling Systems, Llc), OOOU-Z015-14 (Beta Fueling Systems, Llc).
Key specifications for 872FS-Z001-33: Cross-Sectional Height: 0.312 INCHES NOMINAL IN; Material Document and Classification: MIL-R-6855, CL 1, GR 70 MIL SPEC SINGLE MATERIAL RESPONSE; Center Hole Diameter: 15.750 INCHES NOMINAL IN; Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR. 4 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.