The Packing with Retainer, cataloged under National Stock Number 5330-00-404-8276, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Hydro-Aire Aerospace Corp. Dba Lear Romec Div Lear Romec. Government technical data includes 10 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-00-404-8276 |
| Primary Part Number | RB8358-3201-1/4 |
| Item Name | Packing with Retainer |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Hydro-Aire Aerospace Corp. Dba Lear Romec Div Lear Romec |
| Status | ACTIVE |
| Retainer Inside Diameter | 0.333 INCHES NOMINAL IN |
| Packing Inside Diameter | 0.239 INCHES NOMINAL IN |
| Outside Diameter | 0.500 INCHES NOMINAL IN |
| Packing Ring Cross-Sectional Diameter | 0.051 INCHES NOMINAL IN |
| Material Document and Classification | MIL-R-25897,TY 2,CL 1 MIL SPEC SINGLE MATERIAL RESPONSE PACKING |
| Retainer Thickness | 0.040 INCHES NOMINAL IN |
| Surface Treatment | CADMIUM RETAINER |
| Material | STEEL RETAINER |
| Material | RUBBER FLUOROCARBON CLASS FPM PACKING |
| Construction | TWO-PIECE |
| 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 |
|---|---|
| RB8358-3201-1/4 | Hydro-Aire Aerospace Corp. Dba Lear Romec Div Lear Romec (USA) |
| Reference | Meaning |
|---|---|
| 800-3201-1-4 | 3/2 Design control — primary reference U.S. Government activity |
| RB8358-3001-1-4 | 5/9 Secondary reference Hydro-Aire Aerospace Corp. Dba Lear Romec Div Lear Romec |
| 800-3201-1-4 | 5/9 Secondary reference Parker Hannifin Gmbh O-Ring Division |
| 800-3001-1-4 | 5/9 Secondary reference U.S. Government activity |
NSN 5330-00-404-8276 is a Packing with Retainer, manufactured by Hydro-Aire Aerospace Corp. Dba Lear Romec Div Lear Romec, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-00-404-8276 has 1 manufacturer part number on file: RB8358-3201-1/4 (Hydro-Aire Aerospace Corp. Dba Lear Romec Div Lear Romec).
Key specifications for RB8358-3201-1/4: Retainer Inside Diameter: 0.333 INCHES NOMINAL IN; Packing Inside Diameter: 0.239 INCHES NOMINAL IN; Outside Diameter: 0.500 INCHES NOMINAL IN; Packing Ring Cross-Sectional Diameter: 0.051 INCHES NOMINAL IN. 10 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.