The O-Ring, cataloged under National Stock Number 5331-01-562-4564, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Cummins Inc.. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5331-01-562-4564 |
| Primary Part Number | 3970042 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Cummins Inc. |
| Status | ACTIVE |
| Material | RUBBER |
| 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 |
|---|---|
| 3970042 PRIMARY | Cummins Inc. (USA) |
| Reference | Meaning |
|---|---|
| 3970042 | 5/9 Secondary reference Cummins Inc |
NSN 5331-01-562-4564 is a O-Ring, manufactured by Cummins Inc., classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-562-4564 has 1 manufacturer part number on file: 3970042 (Cummins Inc.).
Key specifications for 3970042: Part Name Assigned by Controlling Agency: SEAL, O-RING; End Item Identification: 4940-01-463-7940 FORWARD REPAIR SYSTEM; ENGINE,DIESEL,QSB5.9-425 GS.SO40716/SO88225 FOR MRAP; RG-31 MRAP; MEDIUM MINE PROTECTED VEHICLE - MMPV; Material: RUBBER. 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.