The Packing,preformed, cataloged under National Stock Number 5330-01-063-3801, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Curtiss-Wright Electro-Mechanical Corporation Div Epd. Government technical data includes 6 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5330-01-063-3801 |
| Primary Part Number | 20A11-X-MS-1028 |
| Item Name | Packing,preformed |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Curtiss-Wright Electro-Mechanical Corporation Div Epd |
| Status | ACTIVE |
| Cross-Sectional Height | 0.250 INCHES NOMINAL IN |
| Material Document and Classification | MIL-P-5516 CLASS B MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | SQUARE/RECTANGULAR |
| Peripheral Diameter | 30.000 INCHES NOMINAL IN |
| Center Hole Diameter | 29.500 INCHES NOMINAL IN |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR 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 |
|---|---|
| 20A11-X-MS-1028 PRIMARY | Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA) |
| PL-11117-F-18IT456C | Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA) |
| Reference | Meaning |
|---|---|
| 20A11-X-MS-1028 | 3/9 Design control — primary reference U.S. Government activity |
| 20A11-X-MS-1026 (0034) | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| PL-11117-F-18IT456C | 5/9 Secondary reference U.S. Government activity |
NSN 5330-01-063-3801 is a Packing,preformed, manufactured by Curtiss-Wright Electro-Mechanical Corporation Div Epd, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-063-3801 has 2 manufacturer part numbers on file: 20A11-X-MS-1028 (Curtiss-Wright Electro-Mechanical Corporation Div Epd), PL-11117-F-18IT456C (Curtiss-Wright Electro-Mechanical Corporation Div Epd).
Key specifications for 20A11-X-MS-1028: Cross-Sectional Height: 0.250 INCHES NOMINAL IN; Material Document and Classification: MIL-P-5516 CLASS B MIL SPEC SINGLE MATERIAL RESPONSE OVERALL; Cross-Sectional Shape Style: SQUARE/RECTANGULAR; Peripheral Diameter: 30.000 INCHES NOMINAL IN. 6 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.