The O-Ring, cataloged under National Stock Number 5331-00-175-4978, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Be Aerospace Consumables Management Dba Consumables Solutions Div Consumables Solutions. Government technical data includes 6 specifications, cited from the U.S. Government catalog. The record lists 7 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 9 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-00-175-4978 |
| Primary Part Number | S8990-604 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Be Aerospace Consumables Management Dba Consumables Solutions Div Consumables Solutions |
| Status | ACTIVE |
| Temp Rating | -65.0 FAHRENHEIT AND 500.0 FAHRENHEIT DEGF |
| Cross-Sectional Height | 0.069 INCHES MINIMUM AND 0.075 INCHES MAXIMUM IN |
| Hardness Rating | 60.0 SHORE DUROMETER A MINIMUM AND 75.0 SHORE DUROMETER A MAXIMUM |
| Material Document and Classification | EMS 53015 FSCM 99193 MFR REF SINGLE MATERIAL RESPONSE |
| Center Hole Diameter | 0.346 INCHES MINIMUM AND 0.356 INCHES MAXIMUM IN |
| Material | RUBBER |
| 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 |
|---|---|
| VS8990-604 | Vericor Power Systems Llc (USA) |
| S8990-604 | Parker Hannifin Corporation Div O-Ring Division (USA) |
| S8990-604 | Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road) (USA) |
| S8990-604 PRIMARY | Be Aerospace Consumables Management Dba Consumables Solutions Div Consumables Solutions (USA) |
| S8990-604 | Federal-Mogul Corp Government Sales Dept (USA) |
| S8990-604 | Parco, Llc (USA) |
| S8990-604 | Parker-Hannifin Corp Div O-Ring Division (USA) |
| Reference | Meaning |
|---|---|
| S8990-604 | 5/2 Secondary reference U.S. Government activity |
| 10159937 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| S8990-604 | C/1 Advisory reference — outside the item-of-supply concept Rubbercraft Corporation of California, Ltd. Dba Rubbercraft Corp |
| S8990-604 | 5/9 Secondary reference Alliedsignal Inc Dba Allied-Signal Aerospace Co |
| S8990-604 | 5/2 Secondary reference U.S. Government activity |
| S8990-604 | 5/2 Secondary reference U.S. Government activity |
| S8990-604ES | 5/9 Secondary reference Eriks B.v. |
| S8990-604 | 5/2 Secondary reference U.S. Government activity |
| S8990-604 | C/1 Advisory reference — outside the item-of-supply concept Honeywell International Inc. Div Aerospace - Torrance |
NSN 5331-00-175-4978 is a O-Ring, manufactured by Be Aerospace Consumables Management Dba Consumables Solutions Div Consumables Solutions, classified under FSC 5331, O-ring. Status: active.
NSN 5331-00-175-4978 has 7 manufacturer part numbers on file: VS8990-604 (Vericor Power Systems Llc), S8990-604 (Parker Hannifin Corporation Div O-Ring Division), S8990-604 (Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road)), S8990-604 (Be Aerospace Consumables Management Dba Consumables Solutions Div Consumables Solutions), S8990-604 (Federal-Mogul Corp Government Sales Dept) and 2 more.
Key specifications for S8990-604: Temp Rating: -65.0 FAHRENHEIT AND 500.0 FAHRENHEIT DEGF; Cross-Sectional Height: 0.069 INCHES MINIMUM AND 0.075 INCHES MAXIMUM IN; Hardness Rating: 60.0 SHORE DUROMETER A MINIMUM AND 75.0 SHORE DUROMETER A MAXIMUM; Material Document and Classification: EMS 53015 FSCM 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.