The Seal,nonmetallic Special Shaped, cataloged under National Stock Number 5330-01-285-4954, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Northrop Grumman Systems Corporation. Government technical data includes 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5330-01-285-4954 |
| Primary Part Number | 128W10428-19 |
| Item Name | Seal,nonmetallic Special Shaped |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| Material Document and Classification | 5661 OR 5298 CAGEC 71643 MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | P SHAPEP SHAPE |
| 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 |
|---|---|
| 128W10428-19 PRIMARY | Northrop Grumman Systems Corporation (USA) |
| Reference | Meaning |
|---|---|
| 128W10428-19 | 5/9 Secondary reference Northrop Grumman Systems Corporation |
NSN 5330-01-285-4954 is a Seal,nonmetallic Special Shaped, manufactured by Northrop Grumman Systems Corporation, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-285-4954 has 1 manufacturer part number on file: 128W10428-19 (Northrop Grumman Systems Corporation).
Key specifications for 128W10428-19: Material Document and Classification: 5661 OR 5298 CAGEC 71643 MFR REF SINGLE MATERIAL RESPONSE OVERALL; Overall Length: 8.812 INCHES NOMINAL8.812 INCHES NOMINAL IN; Cross-Sectional Shape Style: P SHAPEP SHAPE; Material: RUBBER SYNTHETIC OVERALL. 3 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.