The Seal,nonmetallic Round Section, cataloged under National Stock Number 5330-01-043-1156, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Minor Rubber Co Inc. Government technical data includes 9 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-043-1156 |
| Primary Part Number | 204-70049-53 |
| Item Name | Seal,nonmetallic Round Section |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Minor Rubber Co Inc |
| Status | ACTIVE |
| Style Designator | CIRCULAR |
| Cross-Sectional Shape Style | CIRCULAR WITH CENTER APERTURE |
| Aperture Diameter | 4.400 INCHES NOMINAL IN |
| Cross Section Inside Diameter | 0.526 INCHES NOMINAL IN |
| Cross Section Outside Diameter | 0.550 INCHES MINIMUM AND 0.650 INCHES MAXIMUM IN |
| Material | RUBBER SILICONE CLASS Q OVERALL |
| Fabrication Method | SOLID |
| Construction | SOLID |
| Attachment Method | CEMENTED |
| 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 |
|---|---|
| 204-70049-53 | Minor Rubber Co Inc (USA) |
| 204-70049-53 | Basic Rubber and Plastics Co. (USA) |
| 204-70049-53 | Rubbercraft Corporation of California, Ltd. Dba Rubbercraft Corp (USA) |
| Reference | Meaning |
|---|---|
| 204-70049-53 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5330-01-043-1156 is a Seal,nonmetallic Round Section, manufactured by Minor Rubber Co Inc, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-043-1156 has 3 manufacturer part numbers on file: 204-70049-53 (Minor Rubber Co Inc), 204-70049-53 (Basic Rubber and Plastics Co.), 204-70049-53 (Rubbercraft Corporation of California, Ltd. Dba Rubbercraft Corp).
Key specifications for 204-70049-53: Style Designator: CIRCULAR; Cross-Sectional Shape Style: CIRCULAR WITH CENTER APERTURE; Aperture Diameter: 4.400 INCHES NOMINAL IN; Cross Section Inside Diameter: 0.526 INCHES NOMINAL IN. 9 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.