The O-Ring, cataloged under National Stock Number 5331-01-732-1025, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Great Lakes Rubber Co.. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-732-1025 |
| Primary Part Number | M22 SIL 70 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Great Lakes Rubber Co. |
| Status | ACTIVE |
| Outside Diameter | 0.751 INCHES MINIMUM AND 0.769 INCHES MAXIMUM IN |
| Hardness Rating | 70.0 SHORE DUROMETER A NOMINAL |
| Color | RED |
| Center Hole Diameter | 0.077 INCHES MINIMUM AND 0.083 INCHES MAXIMUM IN |
| Material | PLASTIC SILICONE |
| 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 |
|---|---|
| M22 SIL 70 PRIMARY | Great Lakes Rubber Co. (USA) |
| Reference | Meaning |
|---|---|
| D014S596 | 7/2 Vendor item drawing reference Oshkosh Defense Llc |
NSN 5331-01-732-1025 is a O-Ring, manufactured by Great Lakes Rubber Co., classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-732-1025 has 1 manufacturer part number on file: M22 SIL 70 (Great Lakes Rubber Co.).
Key specifications for M22 SIL 70: Outside Diameter: 0.751 INCHES MINIMUM AND 0.769 INCHES MAXIMUM IN; Hardness Rating: 70.0 SHORE DUROMETER A NOMINAL; Color: RED; Center Hole Diameter: 0.077 INCHES MINIMUM AND 0.083 INCHES MAXIMUM 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.