The Rubber Round Section, cataloged under National Stock Number 5330-00-641-3719, 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9 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 5 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-00-641-3719 |
| Item Name | Rubber Round Section |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Status | ACTIVE |
| Minimum Tensile Strength | ERR-060 |
| Material Document and Classification | MIL-STD-417, GRADE SC615A1B1E3 MIL SPEC SINGLE MATERIAL RESPONSE LOCATION NOT OTHERWISE SPECIFIED |
| Surface Condition | SMOOTH BOTH SIDES |
| Cross-Sectional Shape Style | CIRCULAR |
| Color | BLACK BOTH SIDES |
| Cross Section Outside Diameter | 0.250 INCHES NOMINAL IN |
| Material | RUBBER CHLOROPRENE CLASS CR LOCATION NOT OTHERWISE SPECIFIED |
| Fabrication Method | SOLID |
| Nonmetallic Hardness Rating | 55.0 MINIMUM SHORE DUROMETER A AND 65.0 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 |
|---|---|
| MILR3065GRADESC614EAB | 4/1 Identification reference U.S. Government activity |
| MILR3065GRADESC615A1B1E3 | 4/1 Identification reference U.S. Government activity |
| MIL-STD-417 | 4/1 Identification reference U.S. Government activity |
NSN 5330-00-641-3719 is a Rubber Round Section, classified under FSC 5330, Packing and Gasket Materials. Status: active.
5 possible matches (shared part number, not a government interchangeability claim): 5330-00-683-9573, 5330-00-932-1833, 5331-00-989-5588. Verify interchangeability with system specifications before substitution.
Key specifications for 5330-00-641-3719: Minimum Tensile Strength: ERR-060; Material Document and Classification: MIL-STD-417, GRADE SC615A1B1E3 MIL SPEC SINGLE MATERIAL RESPONSE LOCATION NOT OTHERWISE SPECIFIED; Surface Condition: SMOOTH BOTH SIDES; Cross-Sectional Shape Style: CIRCULAR. 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.