The O-Ring, cataloged under National Stock Number 5331-00-845-9565, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road). Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 5 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5331-00-845-9565 |
| Primary Part Number | S8990-143 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road) |
| Status | ACTIVE |
| Cross-Sectional Height | 0.097 INCHES MINIMUM AND 0.105 INCHES MAXIMUM IN |
| Center Hole Diameter | 2.346 INCHES MINIMUM AND 2.408 INCHES MAXIMUM IN |
| Material | RUBBER SYNTHETIC |
| 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 |
|---|---|
| S8990-143 PRIMARY | Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road) (USA) |
| S8990-143 | Parker Hannifin Corporation Div O-Ring Division (USA) |
| S8990-143 | Parker-Hannifin Corp Div O-Ring Division (USA) |
| S8990-143 | Parco, Llc (USA) |
| S8990-143 | Federal-Mogul Corp Government Sales Dept (USA) |
| Reference | Meaning |
|---|---|
| S8990-143 | 5/9 Secondary reference U.S. Government activity |
| S8990-143 | 5/2 Secondary reference U.S. Government activity |
NSN 5331-00-845-9565 is a O-Ring, manufactured by Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road), classified under FSC 5331, O-ring. Status: active.
NSN 5331-00-845-9565 has 5 manufacturer part numbers on file: S8990-143 (Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road)), S8990-143 (Parker Hannifin Corporation Div O-Ring Division), S8990-143 (Parker-Hannifin Corp Div O-Ring Division), S8990-143 (Parco, Llc), S8990-143 (Federal-Mogul Corp Government Sales Dept).
Key specifications for S8990-143: Cross-Sectional Height: 0.097 INCHES MINIMUM AND 0.105 INCHES MAXIMUM IN; Center Hole Diameter: 2.346 INCHES MINIMUM AND 2.408 INCHES MAXIMUM IN; Material: RUBBER SYNTHETIC. 3 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.