The Rubber Round Section, cataloged under National Stock Number 5330-00-381-5840, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 8 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 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 | 5330-00-381-5840 |
| Primary Part Number | 655669 |
| Item Name | Rubber Round Section |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| Length | 33.594 INCHES NOMINAL IN |
| Material Document and Classification | MIL-G-1149, TYPE 1, CLASS 1 MIL SPEC SINGLE MATERIAL RESPONSE LOCATION NOT OTHERWISE SPECIFIED |
| Cross-Sectional Shape Style | CIRCULAR |
| Environmental Protection | OIL RESISTANT |
| Cross Section Outside Diameter | 0.250 INCHES NOMINAL IN |
| Material | RUBBER CHLOROPRENE CLASS CR LOCATION NOT OTHERWISE SPECIFIED |
| Fabrication Method | SOLID |
| Nonmetallic Hardness Rating | 45.0 MINIMUM SHORE DUROMETER A AND 55.0 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 |
| Part Number | Manufacturer |
|---|---|
| 655669 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
NSN 5330-00-381-5840 is a Rubber Round Section, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-00-381-5840 has 1 manufacturer part number on file: 655669 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
1 possible match (shared part number, not a government interchangeability claim): 5985-01-304-1604. Verify interchangeability with system specifications before substitution.
Key specifications for 655669: Length: 33.594 INCHES NOMINAL IN; Material Document and Classification: MIL-G-1149, TYPE 1, CLASS 1 MIL SPEC SINGLE MATERIAL RESPONSE LOCATION NOT OTHERWISE SPECIFIED; Cross-Sectional Shape Style: CIRCULAR; Special Features: 1.125 INCH SCARE ON BOTH ENDS IN. 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.