The Seal,nonmetallic Special Shaped, cataloged under National Stock Number 5330-01-521-4907, 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1 specification, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5330-01-521-4907 |
| 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 |
|---|---|
| 17P6W7883-2 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5330-01-521-4907 is a Seal,nonmetallic Special Shaped, classified under FSC 5330, Packing and Gasket Materials. Status: active.
Key specifications for 5330-01-521-4907: Special Features: SEAL IS MADE UP OF 3 PIECES,COVER,CORE,AND INSERT. MATERIAL FOR COVER IS CLOTH POLYESTER MESH. MATERIAL SPEC.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. SPECIS DMS 2357,TYPE 2,CLASS 2.SEAL IS MADE UP OF 3 PIECES,COVER,CORE,AND INSERT. MATERIAL FOR COVER IS CLOTH POLYESTER MESH. MATERIAL SPEC.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. SPECIS DMS 2357,TYPE 2,CLASS 2.; Part Name Assigned by Controlling Agency: SEALSEAL; End Item Identification: C-17 AIRCRAFTC-17 AIRCRAFT; 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 5330-01-521-4907 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.