The Rubber Round Section, cataloged under National Stock Number 5330-01-050-4674, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. Government technical data includes 9 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-050-4674 |
| Item Name | Rubber Round Section |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Status | ACTIVE |
| Material Document and Classification | ZZ-R-765 CLASS 2A GRADE 70 FED SPEC SINGLE MATERIAL RESPONSE LOCATION NOT OTHERWISE SPECIFIED A |
| Surface Condition | SMOOTH BOTH SIDES |
| Cross-Sectional Shape Style | CIRCULAR |
| Nondefinitive Spec/std Data | 2A CLASS AND 70 GRADE A |
| Environmental Protection | HIGH TEMPERATURE |
| Cross Section Outside Diameter | 0.139 INCHES NOMINAL IN |
| Material | RUBBER SILICONE CLASS Q LOCATION NOT OTHERWISE SPECIFIED |
| Fabrication Method | SOLID |
| Nonmetallic Hardness Rating | 65.0 MINIMUM SHORE DUROMETER A AND 75.0 MAXIMUM SHORE DUROMETER A |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| ZZ-R-765 | 4/1 Identification reference U.S. Government activity |
NSN 5330-01-050-4674 is a Rubber Round Section, classified under FSC 5330, Packing and Gasket Materials. Status: active.
Key specifications for 5330-01-050-4674: Material Document and Classification: ZZ-R-765 CLASS 2A GRADE 70 FED SPEC SINGLE MATERIAL RESPONSE LOCATION NOT OTHERWISE SPECIFIED A; Surface Condition: SMOOTH BOTH SIDES; Cross-Sectional Shape Style: CIRCULAR; Nondefinitive Spec/std Data: 2A CLASS AND 70 GRADE A. 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.