The O-Ring, cataloged under National Stock Number 5331-00-343-3072, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Parker Hannifin Corporation Div O-Ring Division. Government technical data includes 6 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-00-343-3072 |
| Primary Part Number | S8990-024 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Parker Hannifin Corporation Div O-Ring Division |
| Status | ACTIVE |
| Temp Rating | -150.0 FAHRENHEIT AND 500.0 FAHRENHEIT DEGF |
| Cross-Sectional Height | 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN |
| Hardness Rating | 60.0 SHORE DUROMETER A MINIMUM AND 75.0 SHORE DUROMETER A MAXIMUM |
| Material Document and Classification | EMS53015 CAGE 99193 MFR REF SINGLE MATERIAL RESPONSE |
| Center Hole Diameter | 1.104 INCHES MINIMUM AND 1.124 INCHES MAXIMUM IN |
| Material | RUBBER FLUOROCARBON CLASS FPM |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | F |
| Part Number | Manufacturer |
|---|---|
| S8990-024 | Parker Hannifin Corporation Div O-Ring Division (USA) |
| S8990-024 | Parco, Llc (USA) |
| S8990-024 | Parker-Hannifin Corp Div O-Ring Division (USA) |
| S8990-024 | Federal-Mogul Corp Government Sales Dept (USA) |
| Reference | Meaning |
|---|---|
| S8990-024 | 3/2 Design control — primary reference U.S. Government activity |
| S8990-024 | 5/9 Secondary reference Rubbercraft Corporation of California, Ltd. Dba Rubbercraft Corp |
| S8990-024 | 5/9 Secondary reference Alliedsignal Inc Dba Allied-Signal Aerospace Co |
| S8990-024 | 5/9 Secondary reference Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road) |
| S8990-024 | 5/2 Secondary reference U.S. Government activity |
| S8990-024 | 5/2 Secondary reference U.S. Government activity |
| 10163283 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
NSN 5331-00-343-3072 is a O-Ring, manufactured by Parker Hannifin Corporation Div O-Ring Division, classified under FSC 5331, O-ring. Status: active.
NSN 5331-00-343-3072 has 4 manufacturer part numbers on file: S8990-024 (Parker Hannifin Corporation Div O-Ring Division), S8990-024 (Parco, Llc), S8990-024 (Parker-Hannifin Corp Div O-Ring Division), S8990-024 (Federal-Mogul Corp Government Sales Dept).
Key specifications for S8990-024: Temp Rating: -150.0 FAHRENHEIT AND 500.0 FAHRENHEIT DEGF; Cross-Sectional Height: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN; Hardness Rating: 60.0 SHORE DUROMETER A MINIMUM AND 75.0 SHORE DUROMETER A MAXIMUM; Material Document and Classification: EMS53015 CAGE 99193 MFR REF SINGLE MATERIAL RESPONSE. 6 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.