The O-Ring, cataloged under National Stock Number 5331-01-656-5477, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is V2r4, Llc Dba Bfg Marine Div Bfg Marine. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-656-5477 |
| Primary Part Number | Z-OR-224B |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | V2r4, Llc Dba Bfg Marine Div Bfg Marine |
| Status | ACTIVE |
| Material | RUBBER BUTADIENE NITRILE |
| 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 |
|---|---|
| Z-OR-224B PRIMARY | V2r4, Llc Dba Bfg Marine Div Bfg Marine (USA) |
| Reference | Meaning |
|---|---|
| VCO-1310-MOD ITEM 9 | D/9 Drawing number reference only V2r4, Llc Dba Bfg Marine Div Bfg Marine |
NSN 5331-01-656-5477 is a O-Ring, manufactured by V2r4, Llc Dba Bfg Marine Div Bfg Marine, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-656-5477 has 1 manufacturer part number on file: Z-OR-224B (V2r4, Llc Dba Bfg Marine Div Bfg Marine).
Key specifications for Z-OR-224B: Material: RUBBER BUTADIENE NITRILE. 1 specification is 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.