The O-Ring, cataloged under National Stock Number 5331-01-435-9046, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Parker-Hannifin Corp Div O-Ring Division. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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.
| Item Name | O-Ring |
| FSC / FSG | 5331 — O-ring (FSG 53) |
| Manufacturers | Parker-Hannifin Corp Div O-Ring Division (CAGE 02697); Triumph Thermal Systems, Llc (CAGE 78943) |
| Parameter | Value |
|---|---|
| NSN | 5331-01-435-9046 |
| Primary Part Number | 5-412LM100-70 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Parker-Hannifin Corp Div O-Ring Division |
| 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 |
|---|---|
| 5-412LM100-70 PRIMARY | Parker-Hannifin Corp Div O-Ring Division (USA) |
| U536375-1 | Triumph Thermal Systems, Llc (USA) |
| Reference | Meaning |
|---|---|
| 5-412L1120-70 | 3/9 Design control — primary reference Parker-Hannifin Corp Div O-Ring Division |
| 5-412L677-70 | 5/9 Secondary reference Parker-Hannifin Corp Div O-Ring Division |
NSN 5331-01-435-9046 is a O-Ring, manufactured by Parker-Hannifin Corp Div O-Ring Division, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-435-9046 has 2 manufacturer part numbers on file: 5-412LM100-70 (Parker-Hannifin Corp Div O-Ring Division), U536375-1 (Triumph Thermal Systems, Llc).
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.