The Gasket, cataloged under National Stock Number 5330-01-320-3980, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 11 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5330-01-320-3980 |
| Primary Part Number | 663999-3 |
| Item Name | Gasket |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| Cross-Sectional Thickness | 0.093 INCHES NOMINAL IN |
| Inside Corner Radius | 0.927 INCHES MINIMUM AND 0.947 INCHES MAXIMUM IN |
| Outside Edge to Inside Edge Smallest Distance Along Width | 0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN |
| Style Designator | NON-CIRCULAR |
| Material Document and Classification | GR SB 715,CAGEC 97993 MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | SOLID SINGLE OR COMPOSITION |
| Aperture Width | 8.490 INCHES MINIMUM AND 8.510 INCHES MAXIMUM IN |
| Aperture Length | 16.740 INCHES MINIMUM AND 16.760 INCHES MAXIMUM IN |
| Outside Edge to Inside Edge Smallest Distance Along Length | 0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN |
| Outside Corner Radius | 1.302 INCHES MINIMUM AND 1.322 INCHES MAXIMUM IN |
| Material | RUBBER SYNTHETIC 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 |
|---|---|
| 663999-3 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| Reference | Meaning |
|---|---|
| T-8382676-3 | 5/2 Secondary reference U.S. Government activity |
NSN 5330-01-320-3980 is a Gasket, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-320-3980 has 1 manufacturer part number on file: 663999-3 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
Key specifications for 663999-3: Cross-Sectional Thickness: 0.093 INCHES NOMINAL IN; Inside Corner Radius: 0.927 INCHES MINIMUM AND 0.947 INCHES MAXIMUM IN; Outside Edge to Inside Edge Smallest Distance Along Width: 0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN; Style Designator: NON-CIRCULAR. 11 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.