The O-Ring, cataloged under National Stock Number 5331-00-263-8019, 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 7 specifications, cited from the U.S. Government catalog. The record lists 3 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5331-00-263-8019 |
| Primary Part Number | AS3570-261 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Sae International Dba Sae International |
| Status | ACTIVE |
| Cross-Sectional Height | 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN |
| Hardness Rating | 72.0 SHORE DUROMETER A MINIMUM AND 78.0 SHORE DUROMETER A MAXIMUM |
| Material Document and Classification | AMS-7274 ASSN STD SINGLE MATERIAL RESPONSE |
| Elongation Percentage | 150 MAXIMUM |
| Peripheral Diameter | 7.012 INCHES NOMINAL IN |
| Center Hole Diameter | 6.711 INCHES MINIMUM AND 6.757 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 |
|---|---|
| 35039C | Falls Filtration Technologies, Inc. (USA) |
| AS3570-261 PRIMARY | Sae International Dba Sae International (USA) |
| 5065D64 PRIMARY | Curtiss-Wright Controls, Inc. Div Actuation Division (USA) |
| Reference | Meaning |
|---|---|
| SAE-AS3570 | 3/1 Design control — primary reference Sae International Dba Sae International |
| 2L1126 | 5/9 Secondary reference U.S. Government activity |
| AS3570-261 | 5/9 Secondary reference U.S. Government activity |
| AN123921 | 5/9 Secondary reference U.S. Government activity |
NSN 5331-00-263-8019 is a O-Ring, manufactured by Sae International Dba Sae International, classified under FSC 5331, O-ring. Status: active.
NSN 5331-00-263-8019 has 3 manufacturer part numbers on file: 35039C (Falls Filtration Technologies, Inc.), AS3570-261 (Sae International Dba Sae International), 5065D64 (Curtiss-Wright Controls, Inc. Div Actuation Division).
Key specifications for AS3570-261: Cross-Sectional Height: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN; Hardness Rating: 72.0 SHORE DUROMETER A MINIMUM AND 78.0 SHORE DUROMETER A MAXIMUM; Material Document and Classification: AMS-7274 ASSN STD SINGLE MATERIAL RESPONSE; Elongation Percentage: 150 MAXIMUM. 7 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.