The Retainer,packing, cataloged under National Stock Number 5330-00-305-0751, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Army, United States Department of the Dba Rock Island Arsenal Jmtc. Government technical data includes 6 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-00-305-0751 |
| Primary Part Number | 8408690 |
| Item Name | Retainer,packing |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Army, United States Department of the Dba Rock Island Arsenal Jmtc |
| Status | ACTIVE |
| Cross-Sectional Thickness | 0.0265 INCHES MINIMUM AND 0.0315 INCHES MAXIMUM IN |
| Cross-Sectional Height | 0.123 INCHES MINIMUM AND 0.127 INCHES MAXIMUM IN |
| Cross-Sectional Shape Style | CUP |
| Peripheral Diameter | 4.250 INCHES NOMINAL IN |
| Center Hole Diameter | 3.249 INCHES NOMINAL IN |
| Material | ALUMINUM ALLOY 5086 OR ALUMINUM ALLOY 8280 OVERALL |
| 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 |
|---|---|
| 8408690 PRIMARY | Army, United States Department of the Dba Rock Island Arsenal Jmtc (USA) |
NSN 5330-00-305-0751 is a Retainer,packing, manufactured by Army, United States Department of the Dba Rock Island Arsenal Jmtc, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-00-305-0751 has 1 manufacturer part number on file: 8408690 (Army, United States Department of the Dba Rock Island Arsenal Jmtc).
Key specifications for 8408690: Cross-Sectional Thickness: 0.0265 INCHES MINIMUM AND 0.0315 INCHES MAXIMUM IN; Cross-Sectional Height: 0.123 INCHES MINIMUM AND 0.127 INCHES MAXIMUM IN; Cross-Sectional Shape Style: CUP; Peripheral Diameter: 4.250 INCHES NOMINAL IN. 6 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.