The O-Ring, cataloged under National Stock Number 5331-01-594-4521, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Pelican Products, Inc. Dba Pelican Products Inc. Government technical data includes 4 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-594-4521 |
| Primary Part Number | 1773 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Pelican Products, Inc. Dba Pelican Products Inc |
| Status | ACTIVE |
| Cross-Sectional Height | 0.0625 INCHES NOMINAL IN |
| Outside Diameter | 0.500 INCHES NOMINAL IN |
| Center Hole Diameter | 0.375 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 |
NSN 5331-01-594-4521 is a O-Ring, manufactured by Pelican Products, Inc. Dba Pelican Products Inc, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-594-4521 has 3 manufacturer part numbers on file: 1773 (Pelican Products, Inc. Dba Pelican Products Inc), 1773 (Platypus Outdoors Group Pty Ltd), 10025124 (Msa (aust.) Pty. Limited).
Key specifications for 1773: Cross-Sectional Height: 0.0625 INCHES NOMINAL IN; Outside Diameter: 0.500 INCHES NOMINAL IN; Center Hole Diameter: 0.375 INCHES NOMINAL IN; Part Name Assigned by Controlling Agency: O-RING FOR MIC. CONNECTOR. 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.