The O-Ring, cataloged under National Stock Number 5331-00-556-7877, 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 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 8 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-00-556-7877 |
| Primary Part Number | AS568-143/D2000 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Sae International Dba Sae International |
| Status | ACTIVE |
| Temp Rating | -30.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF |
| Cross-Sectional Height | 0.125 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN |
| Outside Diameter | 2.605 INCHES MINIMUM AND 2.657 INCHES MAXIMUM IN |
| Hardness Rating | 70.0 SHORE DUROMETER A NOMINAL |
| Elongation Percentage | 331 MAXIMUM |
| Center Hole Diameter | 2.415 INCHES MINIMUM AND 2.435 INCHES MAXIMUM IN |
| Material | RUBBER SILICONE CLASS Q |
| 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 |
|---|---|
| AS568-143/D2000 PRIMARY | Sae International Dba Sae International (USA) |
| Reference | Meaning |
|---|---|
| AS568-143/D2000-05 | 5/9 Secondary reference U.S. Government activity |
| 2-143N674-70 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| 2-143 N674-70 | 5/9 Secondary reference Parker-Hannifin Corp Div O-Ring Division |
| AS568 | 3/1 Design control — primary reference Sae International Dba Sae International |
| 0561C0031-29 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| 3510-0034-001 | 5/9 Secondary reference Antenna Products Corporation Dba Antenna Products Corp |
| N32-95-256 | 5/9 Secondary reference Reading Technologies Inc |
| D2000 | 3/1 Design control — primary reference Sae International Dba Sae International |
NSN 5331-00-556-7877 is a O-Ring, manufactured by Sae International Dba Sae International, classified under FSC 5331, O-ring. Status: active.
NSN 5331-00-556-7877 has 1 manufacturer part number on file: AS568-143/D2000 (Sae International Dba Sae International).
Key specifications for AS568-143/D2000: Temp Rating: -30.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF; Cross-Sectional Height: 0.125 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN; Outside Diameter: 2.605 INCHES MINIMUM AND 2.657 INCHES MAXIMUM IN; Hardness Rating: 70.0 SHORE DUROMETER A NOMINAL. 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.