The O-Ring, cataloged under National Stock Number 5331-01-624-7220, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Spira Manufacturing Corporation Dba Spira Manufacturing Corp. Government technical data includes 4 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-624-7220 |
| Primary Part Number | SSOG-B-013 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Spira Manufacturing Corporation Dba Spira Manufacturing Corp |
| Status | ACTIVE |
| Cross-Sectional Height | 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN |
| Outside Diameter | 0.566 INCHES NOMINAL IN |
| Center Hole Diameter | 0.406 INCHES MINIMUM AND 0.446 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 |
|---|---|
| SSOG-B-013 PRIMARY | Spira Manufacturing Corporation Dba Spira Manufacturing Corp (USA) |
NSN 5331-01-624-7220 is a O-Ring, manufactured by Spira Manufacturing Corporation Dba Spira Manufacturing Corp, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-624-7220 has 1 manufacturer part number on file: SSOG-B-013 (Spira Manufacturing Corporation Dba Spira Manufacturing Corp).
Key specifications for SSOG-B-013: Cross-Sectional Height: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN; Outside Diameter: 0.566 INCHES NOMINAL IN; Special Features: O-RING HAS TIN/LEAD PLATED BERYLLIUM COPPER EXTERIOR WITH A CURED SILICONE CORE.; Center Hole Diameter: 0.406 INCHES MINIMUM AND 0.446 INCHES MAXIMUM IN. 4 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.