The O-Ring, cataloged under National Stock Number 5331-01-244-2273, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Therma-Tech Engineering Inc Dba Thermatech Ar Lintern. The record lists 3 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | Oshkosh Defense Llc (CAGE 75Q65); Daimler Truck North America Llc (CAGE 64678); Therma-Tech Engineering Inc Dba Thermatech Ar Lintern (CAGE 5N978) |
| Parameter | Value |
|---|---|
| NSN | 5331-01-244-2273 |
| Primary Part Number | 019350800 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Therma-Tech Engineering Inc Dba Thermatech Ar Lintern |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| 5KK332 | Oshkosh Defense Llc (USA) |
| 230515 064400 | Daimler Truck North America Llc (USA) |
| 019350800 PRIMARY | Therma-Tech Engineering Inc Dba Thermatech Ar Lintern (USA) |
| Reference | Meaning |
|---|---|
| 5KK332 | 5/9 Secondary reference Oshkosh Corp |
| 5331PL2129023 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
NSN 5331-01-244-2273 is a O-Ring, manufactured by Therma-Tech Engineering Inc Dba Thermatech Ar Lintern, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-244-2273 has 3 manufacturer part numbers on file: 5KK332 (Oshkosh Defense Llc), 230515 064400 (Daimler Truck North America Llc), 019350800 (Therma-Tech Engineering Inc Dba Thermatech Ar Lintern).
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.