The Seal,nonmetallic Special Shaped, cataloged under National Stock Number 5330-01-252-9215, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Lockheed Martin Corp. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-252-9215 |
| Primary Part Number | 4D139 |
| Item Name | Seal,nonmetallic Special Shaped |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Lockheed Martin Corp |
| Status | ACTIVE |
| Cross-Sectional Thickness | 0.188 INCHES NOMINAL0.188 INCHES NOMINAL IN |
| Cross-Sectional Height | 0.875 INCHES NOMINAL0.875 INCHES NOMINAL IN |
| Cross-Sectional Width | 2.375 INCHES NOMINAL2.375 INCHES NOMINAL IN |
| Material Document and Classification | ZZ-R-765 CL2BGR40 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | HOLLOW BULBHOLLOW BULB |
| Cross Section Inside Diameter | 0.499 INCHES NOMINAL0.499 INCHES NOMINAL IN |
| Material | RUBBER SILICONE CLASS Q OVERALL |
| Construction | SOLIDSOLID |
| 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 |
|---|---|
| 4D139 | Lockheed Martin Corp (USA) |
| Reference | Meaning |
|---|---|
| 4D139 | 3/9 Design control — primary reference Allen Tool Phoenix, Inc |
NSN 5330-01-252-9215 is a Seal,nonmetallic Special Shaped, manufactured by Lockheed Martin Corp, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-252-9215 has 1 manufacturer part number on file: 4D139 (Lockheed Martin Corp).
Key specifications for 4D139: Cross-Sectional Thickness: 0.188 INCHES NOMINAL0.188 INCHES NOMINAL IN; Cross-Sectional Height: 0.875 INCHES NOMINAL0.875 INCHES NOMINAL IN; Cross-Sectional Width: 2.375 INCHES NOMINAL2.375 INCHES NOMINAL IN; Material Document and Classification: ZZ-R-765 CL2BGR40 FED SPEC SINGLE MATERIAL RESPONSE OVERALL. 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.