The O-Ring, cataloged under National Stock Number 5331-01-245-3226, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Mid-America Aerotech, Llc. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-245-3226 |
| Primary Part Number | 41A742 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Mid-America Aerotech, Llc |
| Status | ACTIVE |
| Material | RUBBER SILICONE CLASS Q |
| 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 |
|---|---|
| 41A742 | Mid-America Aerotech, Llc (USA) |
| Reference | Meaning |
|---|---|
| 41A742 | 3/9 Design control — primary reference U.S. Government activity |
| 41A742 | 5/9 Secondary reference E-Systems Inc Montek Div Fluid Controls Opns |
| 41A742 | 5/9 Secondary reference Moog Inc Div Moog Inc., Space and Defense - Salt Lake City |
NSN 5331-01-245-3226 is a O-Ring, manufactured by Mid-America Aerotech, Llc, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-245-3226 has 1 manufacturer part number on file: 41A742 (Mid-America Aerotech, Llc).
Key specifications for 41A742: Material: RUBBER SILICONE CLASS Q. 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.