The Seal,nonmetallic Special Shaped, cataloged under National Stock Number 5330-01-521-4909, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-521-4909 |
| Item Name | Seal,nonmetallic Special Shaped |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Status | ACTIVE |
| Material | RUBBER SYNTHETIC SEALING ELEMENT |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 17P6W7683-2 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5330-01-521-4909 is a Seal,nonmetallic Special Shaped, classified under FSC 5330, Packing and Gasket Materials. Status: active.
Key specifications for 5330-01-521-4909: Special Features: SEAL IS MADE UP OF 3 PIECES,COVER,CORE,INSERT. MATERIAL FOR THE COVER IS CLOTH POLYESTER MESH. MATERIAL SPEC FOR COVER IS DMS 2356,TYPE 2,CLASS 4.MATERIAL FOR CORE IS ELASTOMER SILICONE,SPEC DMS 2221,TYPE 1,GRADE 50. MATERIAL FOR INSERT IS CLOTH,ARAMID(NOMEX)WOVEN. SPEC IS DMS 2357,TYPE 2,CLASS 2SEAL IS MADE UP OF 3 PIECES,COVER,CORE,INSERT. MATERIAL FOR THE COVER IS CLOTH POLYESTER MESH. MATERIAL SPEC FOR COVER IS DMS 2356,TYPE 2,CLASS 4.MATERIAL FOR CORE IS ELASTOMER SILICONE,SPEC DMS 2221,TYPE 1,GRADE 50. MATERIAL FOR INSERT IS CLOTH,ARAMID(NOMEX)WOVEN. SPEC IS DMS 2357,TYPE 2,CLASS 2; Part Name Assigned by Controlling Agency: SEALSEAL; End Item Identification: C-17C-17; Material: RUBBER SYNTHETIC SEALING ELEMENT. 1 specification is 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.
NSN 5330-01-521-4909 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.