The Seal,nonmetallic Special Shaped, cataloged under National Stock Number 5330-01-412-3496, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Naval Sea Systems Command. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5330-01-412-3496 |
| Primary Part Number | 6649873 |
| Item Name | Seal,nonmetallic Special Shaped |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Cross-Sectional Thickness | 0.016 INCHES MINIMUM AND 0.016 INCHES MINIMUM AND 0.019 INCHES MAXIMUM0.019 INCHES MAXIMUM IN |
| Cross-Sectional Height | 0.057 INCHES MINIMUM AND 0.057 INCHES MINIMUM AND 0.070 INCHES MAXIMUM0.070 INCHES MAXIMUM IN |
| Cross-Sectional Width | 0.453 INCHES NOMINAL0.453 INCHES NOMINAL IN |
| Style Designator | CIRCULAR |
| Cross-Sectional Shape Style | P SHAPEP SHAPE |
| Aperture Diameter | 0.313 INCHES NOMINAL0.313 INCHES NOMINAL IN |
| Minor Width | 0.375 INCHES NOMINAL0.375 INCHES NOMINAL IN |
| Material | PLASTIC POLYTETRAFLUOROETHYLENE OVERALL |
| Construction | ONE-PIECEONE-PIECE |
| 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 |
|---|---|
| 6649873 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| R311MB-007-316 | 5/9 Secondary reference Bal Seal Engineering, Inc. |
NSN 5330-01-412-3496 is a Seal,nonmetallic Special Shaped, manufactured by Naval Sea Systems Command, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-412-3496 has 1 manufacturer part number on file: 6649873 (Naval Sea Systems Command).
Key specifications for 6649873: Cross-Sectional Thickness: 0.016 INCHES MINIMUM AND 0.016 INCHES MINIMUM AND 0.019 INCHES MAXIMUM0.019 INCHES MAXIMUM IN; Cross-Sectional Height: 0.057 INCHES MINIMUM AND 0.057 INCHES MINIMUM AND 0.070 INCHES MAXIMUM0.070 INCHES MAXIMUM IN; Cross-Sectional Width: 0.453 INCHES NOMINAL0.453 INCHES NOMINAL IN; Style Designator: CIRCULAR. 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.