The O-Ring, cataloged under National Stock Number 5331-01-586-7516, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Sae International Dba Sae International. Government technical data includes 5 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-586-7516 |
| Primary Part Number | AS3581-471 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Sae International Dba Sae International |
| Status | ACTIVE |
| Cross-Sectional Height | 0.275 INCHES NOMINAL IN |
| Hardness Rating | 90.0 SHORE DUROMETER A NOMINAL |
| Material Document and Classification | SAE-AS3581 ASSN STD SINGLE MATERIAL RESPONSE |
| Center Hole Diameter | 21.955 INCHES NOMINAL 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 | X |
| Part Number | Manufacturer |
|---|---|
| AS3581-471 PRIMARY | Sae International Dba Sae International (USA) |
| Reference | Meaning |
|---|---|
| 700-471-433C | 5/9 Secondary reference Carver Pump Company |
| M83248/2-471 | 5/9 Secondary reference U.S. Government activity |
| SAE-AS3581 | 3/1 Design control — primary reference Sae International Dba Sae International |
| 999-6520-A-003 REV B ITEM 89K | 5/1 Secondary reference Carver Pump Company |
| 700-471-433 | C/1 Advisory reference — outside the item-of-supply concept Carver Pump Company |
| AS3581-471 | 5/9 Secondary reference U.S. Government activity |
NSN 5331-01-586-7516 is a O-Ring, manufactured by Sae International Dba Sae International, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-586-7516 has 1 manufacturer part number on file: AS3581-471 (Sae International Dba Sae International).
Key specifications for AS3581-471: Cross-Sectional Height: 0.275 INCHES NOMINAL IN; Hardness Rating: 90.0 SHORE DUROMETER A NOMINAL; Material Document and Classification: SAE-AS3581 ASSN STD SINGLE MATERIAL RESPONSE; Center Hole Diameter: 21.955 INCHES NOMINAL IN. 5 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.