The Seal,nonmetallic Special Shaped, cataloged under National Stock Number 5330-01-339-4039, 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 8 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 | 5330-01-339-4039 |
| Primary Part Number | 6263439 |
| Item Name | Seal,nonmetallic Special Shaped |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Style Designator | CIRCULAR |
| Material Document and Classification | ASTM D1056,T3,CLSC,STYLE E ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Groove Length | 0.270 INCHES MINIMUM AND 0.270 INCHES MINIMUM AND 0.330 INCHES MAXIMUM0.330 INCHES MAXIMUM IN |
| Aperture Diameter | 22.800 INCHES NOMINAL22.800 INCHES NOMINAL IN |
| Cross Section Outside Diameter | 0.500 INCHES NOMINAL0.500 INCHES NOMINAL IN |
| Material | RUBBER CHLOROPRENE CLASS CR OVERALL |
| Groove Width | 0.187 INCHES NOMINAL0.187 INCHES NOMINAL IN |
| Construction | SPLITSPLIT |
| 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 |
|---|---|
| 6263439 PRIMARY | Naval Sea Systems Command (USA) |
NSN 5330-01-339-4039 is a Seal,nonmetallic Special Shaped, manufactured by Naval Sea Systems Command, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-339-4039 has 1 manufacturer part number on file: 6263439 (Naval Sea Systems Command).
Key specifications for 6263439: Style Designator: CIRCULAR; Material Document and Classification: ASTM D1056,T3,CLSC,STYLE E ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Groove Length: 0.270 INCHES MINIMUM AND 0.270 INCHES MINIMUM AND 0.330 INCHES MAXIMUM0.330 INCHES MAXIMUM IN; Aperture Diameter: 22.800 INCHES NOMINAL22.800 INCHES NOMINAL IN. 8 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.