The Seal,nonmetallic Special Shaped, cataloged under National Stock Number 5330-01-227-6440, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Rubbercraft Corporation of California, Ltd. Dba Rubbercraft Corp. Government technical data includes 15 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-227-6440 |
| Primary Part Number | 506X |
| Item Name | Seal,nonmetallic Special Shaped |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Rubbercraft Corporation of California, Ltd. Dba Rubbercraft Corp |
| Status | ACTIVE |
| Attachment Hole Diameter | 0.250 INCHES NOMINAL0.250 INCHES NOMINAL IN |
| Attachment Feature Quantity | 2020 |
| Outside Corner Bevel Length | 1.620 INCHES NOMINAL1.620 INCHES NOMINAL IN |
| Cross-Sectional Thickness | 0.094 INCHES NOMINAL0.094 INCHES NOMINAL IN |
| Cross-Sectional Height | 0.750 INCHES NOMINAL0.750 INCHES NOMINAL IN |
| Cross-Sectional Width | 1.438 INCHES NOMINAL1.438 INCHES NOMINAL IN |
| Style Designator | NON-CIRCULAR |
| Cross-Sectional Shape Style | HOLLOW BULBHOLLOW BULB |
| Aperture Width | 110.085 INCHES NOMINAL110.085 INCHES NOMINAL IN |
| Cross Section Inside Diameter | 0.562 INCHES NOMINAL0.562 INCHES NOMINAL IN |
| Inside Corner Bevel Length | 1.120 INCHES NOMINAL1.120 INCHES NOMINAL IN |
| Aperture Length | 116.680 INCHES NOMINAL116.680 INCHES NOMINAL IN |
| Material | RUBBER SYNTHETIC OVERALL |
| Construction | SOLIDSOLID |
| Attachment Method | ROUND HOLEROUND HOLE |
| 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 |
| Part Number | Manufacturer |
|---|---|
| 506X PRIMARY | Rubbercraft Corporation of California, Ltd. Dba Rubbercraft Corp (USA) |
| Reference | Meaning |
|---|---|
| 863C2010261-001 | 5/9 Secondary reference Lockheed Martin Corp |
| 863C2010261-004 | 5/9 Secondary reference Lockheed Martin Corp |
| 863C2010261-003 | 5/9 Secondary reference Lockheed Martin Corp |
NSN 5330-01-227-6440 is a Seal,nonmetallic Special Shaped, manufactured by Rubbercraft Corporation of California, Ltd. Dba Rubbercraft Corp, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-227-6440 has 1 manufacturer part number on file: 506X (Rubbercraft Corporation of California, Ltd. Dba Rubbercraft Corp).
Key specifications for 506X: Attachment Hole Diameter: 0.250 INCHES NOMINAL0.250 INCHES NOMINAL IN; Attachment Feature Quantity: 2020; Outside Corner Bevel Length: 1.620 INCHES NOMINAL1.620 INCHES NOMINAL IN; Cross-Sectional Thickness: 0.094 INCHES NOMINAL0.094 INCHES NOMINAL IN. 15 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.
NSN 5330-01-227-6440 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.