The O-Ring, cataloged under National Stock Number 5331-01-578-9995, 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. Government technical data includes 2 specifications, cited from the U.S. Government catalog. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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.
| Parameter | Value |
|---|---|
| NSN | 5331-01-578-9995 |
| Primary Part Number | 019350627 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Therma-Tech Engineering Inc Dba Thermatech Ar Lintern |
| Status | ACTIVE |
| Cross-Sectional Height | 0.094 INCHES NOMINAL IN |
| Center Hole Diameter | 0.858 INCHES NOMINAL IN |
| 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 |
|---|---|
| 18KP785 | Oshkosh Defense Llc (USA) |
| 019350627 PRIMARY | Therma-Tech Engineering Inc Dba Thermatech Ar Lintern (USA) |
| Reference | Meaning |
|---|---|
| 049980016 | D/9 Drawing number reference only Therma-Tech Engineering Inc Dba Thermatech Ar Lintern |
| 18KP785 | 5/9 Secondary reference Oshkosh Corp |
NSN 5331-01-578-9995 is a O-Ring, manufactured by Therma-Tech Engineering Inc Dba Thermatech Ar Lintern, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-578-9995 has 2 manufacturer part numbers on file: 18KP785 (Oshkosh Defense Llc), 019350627 (Therma-Tech Engineering Inc Dba Thermatech Ar Lintern).
Key specifications for 019350627: Cross-Sectional Height: 0.094 INCHES NOMINAL IN; Special Features: NHA-COMPRESSOR MODEL QP21-1701; Center Hole Diameter: 0.858 INCHES NOMINAL IN; End Item Identification: 2320-01-564-6882, TRUCK TRACTOR. 2 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.