The Felt,mechanical,preformed, cataloged under National Stock Number 5330-00-657-3820, 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 9 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-00-657-3820 |
| Primary Part Number | 6573820 |
| Item Name | Felt,mechanical,preformed |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Army, United States Department of the Dba Rock Island Arsenal Jmtc |
| Status | ACTIVE |
| Cross-Sectional Height | 1.062 INCHES NOMINAL IN |
| Cross-Sectional Width | 0.120 INCHES NOMINAL IN |
| Material Document and Classification | C-F-206 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | RECTANGULAR |
| Outside Diameter | 25.375 INCHES NOMINAL IN |
| Aperture Diameter | 23.250 INCHES NOMINAL IN |
| Bolt Hole Quantity | 18 |
| Material | WOOL COMP 12R2 OVERALL |
| Hole Diameter | 0.375 INCHES NOMINAL IN |
| 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 |
|---|---|
| 6573820 PRIMARY | Army, United States Department of the Dba Rock Island Arsenal Jmtc (USA) |
| Reference | Meaning |
|---|---|
| D39477 | 5/9 Secondary reference Numax Electronics Inc |
NSN 5330-00-657-3820 is a Felt,mechanical,preformed, manufactured by Army, United States Department of the Dba Rock Island Arsenal Jmtc, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-00-657-3820 has 1 manufacturer part number on file: 6573820 (Army, United States Department of the Dba Rock Island Arsenal Jmtc).
Key specifications for 6573820: Cross-Sectional Height: 1.062 INCHES NOMINAL IN; Cross-Sectional Width: 0.120 INCHES NOMINAL IN; Material Document and Classification: C-F-206 FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Cross-Sectional Shape Style: RECTANGULAR. 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.