The O-Ring, cataloged under National Stock Number 5331-01-661-9628, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Apple Rubber Products, Inc. Dba Apple Rubber Products Inc. Government technical data includes 6 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-661-9628 |
| Primary Part Number | 030-70SL |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Apple Rubber Products, Inc. Dba Apple Rubber Products Inc |
| Status | ACTIVE |
| Temp Rating | -85.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF |
| Cross-Sectional Height | 0.625 INCHES NOMINAL IN |
| Outside Diameter | 1.75 INCHES NOMINAL IN |
| Hardness Rating | 25.0 SHORE DUROMETER A MINIMUM AND 80.0 SHORE DUROMETER A MAXIMUM |
| Center Hole Diameter | 1.625 INCHES NOMINAL 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 |
|---|---|
| 030-70SL PRIMARY | Apple Rubber Products, Inc. Dba Apple Rubber Products Inc (USA) |
| Reference | Meaning |
|---|---|
| AS568-030 | 5/9 Secondary reference U.S. Government activity |
| AS568-030 | 5/1 Secondary reference Sae International Dba Sae International |
NSN 5331-01-661-9628 is a O-Ring, manufactured by Apple Rubber Products, Inc. Dba Apple Rubber Products Inc, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-661-9628 has 1 manufacturer part number on file: 030-70SL (Apple Rubber Products, Inc. Dba Apple Rubber Products Inc).
Key specifications for 030-70SL: Temp Rating: -85.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF; Cross-Sectional Height: 0.625 INCHES NOMINAL IN; Outside Diameter: 1.75 INCHES NOMINAL IN; Hardness Rating: 25.0 SHORE DUROMETER A MINIMUM AND 80.0 SHORE DUROMETER A MAXIMUM. 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.