The Seal,plain Encased, cataloged under National Stock Number 5330-01-331-1597, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Saint-Gobain Performance Plastics Corporation Div Omniseal Solutions. Government technical data includes 8 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-331-1597 |
| Primary Part Number | S-280693 |
| Item Name | Seal,plain Encased |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Saint-Gobain Performance Plastics Corporation Div Omniseal Solutions |
| Status | ACTIVE |
| Seal Width | 0.180 INCHES MINIMUM AND 0.200 INCHES MAXIMUM IN |
| Material Document and Classification | QQ-S-763,COND A FED SPEC SINGLE MATERIAL RESPONSE OR MIL-S-5059,COND A MIL SPEC SINGLE MATERIAL RESPONSE CASE |
| Material Document and Classification | QQ-S-763,COND A FED SPEC SINGLE MATERIAL RESPONSE OR MIL-S-5059,COND A MIL SPEC SINGLE MATERIAL RESPONSE INSERT |
| Accommodated Shaft Maximum Rated Speed | 6000 FEET PER MINUTE FT |
| Case Style | SQUARE |
| Accommodated Shaft Diameter | 0.500 INCHES MINIMUM AND 0.501 INCHES MAXIMUM IN |
| Material | STEEL CORROSION RESISTING INSERT |
| Material | STEEL CORROSION RESISTING CASE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| S-280693 PRIMARY | Saint-Gobain Performance Plastics Corporation Div Omniseal Solutions (USA) |
| 5819950 | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 5280693 | 5/9 Secondary reference Saint-Gobain Performance Plastics Corporation Div Omniseal Solutions |
| 5280693 | 5/9 Secondary reference Technetics Group Llc Dba Technetics Group Columbia Div Technetics Group Columbia |
| M-33520 | 5/9 Secondary reference Federal-Mogul Corp Mather Seal Co |
NSN 5330-01-331-1597 is a Seal,plain Encased, manufactured by Saint-Gobain Performance Plastics Corporation Div Omniseal Solutions, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-331-1597 has 2 manufacturer part numbers on file: S-280693 (Saint-Gobain Performance Plastics Corporation Div Omniseal Solutions), 5819950 (Naval Sea Systems Command).
Key specifications for S-280693: Seal Width: 0.180 INCHES MINIMUM AND 0.200 INCHES MAXIMUM IN; Material Document and Classification: QQ-S-763,COND A FED SPEC SINGLE MATERIAL RESPONSE OR MIL-S-5059,COND A MIL SPEC SINGLE MATERIAL RESPONSE CASE; Material Document and Classification: QQ-S-763,COND A FED SPEC SINGLE MATERIAL RESPONSE OR MIL-S-5059,COND A MIL SPEC SINGLE MATERIAL RESPONSE INSERT; Accommodated Shaft Maximum Rated Speed: 6000 FEET PER MINUTE FT. 8 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). 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.