The O-Ring, cataloged under National Stock Number 5331-01-422-6586, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Institute of Management Instruction Inc Dba International Management Institute. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
| Item Name | O-Ring |
| FSC / FSG | 5331 — O-ring (FSG 53) |
| Manufacturers | Institute of Management Instruction Inc Dba International Management Institute (CAGE 59358) |
| Parameter | Value |
|---|---|
| NSN | 5331-01-422-6586 |
| Primary Part Number | RRC-4004-1 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Institute of Management Instruction Inc Dba International Management Institute |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| RRC-4004-1 PRIMARY | Institute of Management Instruction Inc Dba International Management Institute (USA) |
| Reference | Meaning |
|---|---|
| AA-111 ITEM 3 | 5/9 Secondary reference Institute of Management Instruction Inc Dba International Management Institute |
NSN 5331-01-422-6586 is a O-Ring, manufactured by Institute of Management Instruction Inc Dba International Management Institute, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-422-6586 has 1 manufacturer part number on file: RRC-4004-1 (Institute of Management Instruction Inc Dba International Management Institute).
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.