The Seal,plain, cataloged under National Stock Number 5330-01-321-4339, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp. Government technical data includes 3 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 | 5330-01-321-4339 |
| Primary Part Number | 70216-02401-158 |
| Item Name | Seal,plain |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp |
| Status | ACTIVE |
| Material Document and Classification | ASTM D1056 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Specification/standard Data | 78286-70216-02401 MANUFACTURERS STANDARD |
| Material | RUBBER CHLOROPRENE CLASS CR 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 |
|---|---|
| 70216-02401-158 PRIMARY | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp (USA) |
NSN 5330-01-321-4339 is a Seal,plain, manufactured by Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-321-4339 has 1 manufacturer part number on file: 70216-02401-158 (Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp).
Key specifications for 70216-02401-158: Material Document and Classification: ASTM D1056 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Specification/standard Data: 78286-70216-02401 MANUFACTURERS STANDARD; Special Features: 0.88 X 0.88 X 0.50 THICK WITH 0.36 DIAMETER HOLE PER DRAWING SECTION H18; TYPE 2, CLASS C, GRADE 3, FORMERLY SCE 43; Material: RUBBER CHLOROPRENE CLASS CR OVERALL. 3 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.