The O-Ring, cataloged under National Stock Number 5331-01-570-2102, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Apple Rubber Products, Inc. Dba Apple Rubber Products Inc. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Item Name | O-Ring |
| FSC / FSG | 5331 — O-ring (FSG 53) |
| Manufacturers | Apple Rubber Products, Inc. Dba Apple Rubber Products Inc (CAGE 62351) |
| Parameter | Value |
|---|---|
| NSN | 5331-01-570-2102 |
| Primary Part Number | R15750-210-40EPB |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Apple Rubber Products, Inc. Dba Apple Rubber Products Inc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 15.750 X .210-40EP | Apple Rubber Products, Inc. Dba Apple Rubber Products Inc (USA) |
| R15750-210-40EPB PRIMARY | Apple Rubber Products, Inc. Dba Apple Rubber Products Inc (USA) |
NSN 5331-01-570-2102 is a O-Ring, manufactured by Apple Rubber Products, Inc. Dba Apple Rubber Products Inc, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-570-2102 has 2 manufacturer part numbers on file: 15.750 X .210-40EP (Apple Rubber Products, Inc. Dba Apple Rubber Products Inc), R15750-210-40EPB (Apple Rubber Products, Inc. Dba Apple Rubber Products Inc).
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 5331-01-570-2102 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.