The O-Ring, cataloged under National Stock Number 5331-01-561-8939, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Red Dot Corporation Dba Red Dot Corp. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-561-8939 |
| Primary Part Number | RD-5-11018-0M |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Red Dot Corporation Dba Red Dot Corp |
| Status | ACTIVE |
| 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 |
|---|---|
| RD-5-11018-0M PRIMARY | Red Dot Corporation Dba Red Dot Corp (USA) |
| Reference | Meaning |
|---|---|
| 16KP157 | 5/9 Secondary reference Oshkosh Corp |
| 16KP157 | 7/2 Vendor item drawing reference Oshkosh Defense Llc |
NSN 5331-01-561-8939 is a O-Ring, manufactured by Red Dot Corporation Dba Red Dot Corp, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-561-8939 has 1 manufacturer part number on file: RD-5-11018-0M (Red Dot Corporation Dba Red Dot Corp).
Key specifications for RD-5-11018-0M: Part Name Assigned by Controlling Agency: NO 12 O-RING; End Item Identification: 2420-01-533-6981; TRACTOR, WHEELED, INDUSTRIAL; MRAP - M-ATV; MRAP BUFFALO MK2A2. 0 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.