The Rubber Round Section, cataloged under National Stock Number 9320-00-404-6052, is classified within Federal Supply Class 9320 (Rubber Fabricated Materials) of the Nonmetallic Fabricated Materials group. The manufacturer of record is Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems. Government technical data includes 13 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 9320-00-404-6052 |
| Primary Part Number | 30217-1 |
| Item Name | Rubber Round Section |
| FSC / FSG | 9320 / 93 — Rubber Fabricated Materials |
| Manufacturer | Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems |
| Status | ACTIVE |
| Temp Rating | -75.0 CELSIUS AND 204.0 CELSIUS DEGC |
| Length | 9.812 INCHES MINIMUM AND 10.312 INCHES MAXIMUM IN |
| Minimum Tensile Strength | ERR-060 |
| Material Document and Classification | ZZ-R-765, CLASS 3, GRADE 50 FED SPEC SINGLE MATERIAL RESPONSE OR ZZ-R-765, CLASS 3, GRADE 60 FED SPEC SINGLE MATERIAL RESPONSE LOCATION NOT OTHERWISE SPECIFIED |
| Surface Condition | SMOOTH BOTH SIDES |
| Cross-Sectional Shape Style | CIRCULAR |
| Specification/standard Data | 81348-ZZ-R-765 GOVERNMENT SPECIFICATION |
| Nondefinitive Spec/std Data | 3 CLASS AND 50 GRADE |
| Environmental Protection | LOW TEMPERATURE AND TEAR AND FLEX RESISTANT |
| Cross Section Outside Diameter | 0.030 INCHES MINIMUM AND 0.050 INCHES MAXIMUM IN |
| Material | RUBBER SILICONE CLASS Q LOCATION NOT OTHERWISE SPECIFIED |
| Fabrication Method | SOLID |
| Nonmetallic Hardness Rating | 45.0 MINIMUM SHORE DUROMETER A AND 65.0 MAXIMUM SHORE DUROMETER A |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 30217-1 PRIMARY | Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems (USA) |
| Reference | Meaning |
|---|---|
| ZZ-R-765 | 4/1 Identification reference U.S. Government activity |
NSN 9320-00-404-6052 is a Rubber Round Section, manufactured by Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems, classified under FSC 9320, Rubber Fabricated Materials. Status: active.
NSN 9320-00-404-6052 has 1 manufacturer part number on file: 30217-1 (Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems).
1 possible match (shared part number, not a government interchangeability claim): 5340-01-612-5905. Verify interchangeability with system specifications before substitution.
Key specifications for 30217-1: Temp Rating: -75.0 CELSIUS AND 204.0 CELSIUS DEGC; Length: 9.812 INCHES MINIMUM AND 10.312 INCHES MAXIMUM IN; Minimum Tensile Strength: ERR-060; Material Document and Classification: ZZ-R-765, CLASS 3, GRADE 50 FED SPEC SINGLE MATERIAL RESPONSE OR ZZ-R-765, CLASS 3, GRADE 60 FED SPEC SINGLE MATERIAL RESPONSE LOCATION NOT OTHERWISE SPECIFIED. 13 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.