The O-Ring, cataloged under National Stock Number 5331-01-488-9681, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Thermal Engineering International (usa) Inc.. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5331-01-488-9681 |
| Primary Part Number | 100-D-573 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Thermal Engineering International (usa) Inc. |
| Status | ACTIVE |
| Material Document and Classification | MIL-G-21610 MIL SPEC SINGLE MATERIAL RESPONSE |
| 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 |
|---|---|
| 700-D-758 ITEM 1-18 | Thermal Engineering International (usa) Inc. (USA) |
| 100-D-573 PRIMARY | Thermal Engineering International (usa) Inc. (USA) |
| Reference | Meaning |
|---|---|
| 100-D-573 | 5/9 Secondary reference Thermal Engineering International Usa Inc |
| 700-D-758 ITEM 1-18 | 5/9 Secondary reference Thermal Engineering International Usa Inc |
NSN 5331-01-488-9681 is a O-Ring, manufactured by Thermal Engineering International (usa) Inc., classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-488-9681 has 2 manufacturer part numbers on file: 700-D-758 ITEM 1-18 (Thermal Engineering International (usa) Inc.), 100-D-573 (Thermal Engineering International (usa) Inc.).
Key specifications for 100-D-573: Material Document and Classification: MIL-G-21610 MIL SPEC SINGLE MATERIAL RESPONSE; Special Features: DOUBLE TUBE AIR COOLER SEAL; End Item Identification: SUB ATMOSPHERE CONTROL; Material: RUBBER SILICONE CLASS Q. 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.