The O-Ring, cataloged under National Stock Number 5331-00-263-9839, 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 4 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-00-263-9839 |
| Primary Part Number | G77325 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Thermal Engineering International (usa) Inc. |
| Status | ACTIVE |
| Cross-Sectional Height | 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN |
| Outside Diameter | 1.074 INCHES NOMINAL IN |
| Center Hole Diameter | 0.790 INCHES MINIMUM AND 0.802 INCHES MAXIMUM IN |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR |
| 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 |
|---|---|
| AS568-211/MIL-G-21610 | Sae International Dba Sae International (USA) |
| G77325 PRIMARY | Thermal Engineering International (usa) Inc. (USA) |
| Reference | Meaning |
|---|---|
| AS568-211/MIL-G-21610 | 5/9 Secondary reference U.S. Government activity |
| 103Y220 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| G77325 | 5/9 Secondary reference Thermal Engineering International Usa Inc |
| G77325 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
NSN 5331-00-263-9839 is a O-Ring, manufactured by Thermal Engineering International (usa) Inc., classified under FSC 5331, O-ring. Status: active.
NSN 5331-00-263-9839 has 2 manufacturer part numbers on file: AS568-211/MIL-G-21610 (Sae International Dba Sae International), G77325 (Thermal Engineering International (usa) Inc.).
Key specifications for G77325: Cross-Sectional Height: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN; Outside Diameter: 1.074 INCHES NOMINAL IN; Center Hole Diameter: 0.790 INCHES MINIMUM AND 0.802 INCHES MAXIMUM IN; Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR. 4 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.