The Seal,plain, cataloged under National Stock Number 5330-01-519-8201, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Lockheed Martin Corporation Dba Lockheed Martin Div Rotary and Mission Systems (rms). 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5330-01-519-8201 |
| Primary Part Number | 4A11563-105A |
| Item Name | Seal,plain |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Lockheed Martin Corporation Dba Lockheed Martin Div Rotary and Mission Systems (rms) |
| Status | ACTIVE |
| Material Document and Classification | AMS 3651 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Material | PLASTIC POLYTETRAFLUOROETHYLENE OVERALL |
| Construction | ONE-PIECE |
| 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 |
|---|---|
| 4A11563-105A | Lockheed Martin Corporation Dba Lockheed Martin Div Rotary and Mission Systems (rms) (USA) |
| Reference | Meaning |
|---|---|
| 4A11563-105A | 3/2 Design control — primary reference U.S. Government activity |
NSN 5330-01-519-8201 is a Seal,plain, manufactured by Lockheed Martin Corporation Dba Lockheed Martin Div Rotary and Mission Systems (rms), classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-519-8201 has 1 manufacturer part number on file: 4A11563-105A (Lockheed Martin Corporation Dba Lockheed Martin Div Rotary and Mission Systems (rms)).
Key specifications for 4A11563-105A: Material Document and Classification: AMS 3651 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Special Features: 5.25 DIAMETER TO FIT 5.50 DUCT SUPPORT; End Item Identification: C-5 AIRCRAFT; Material: PLASTIC POLYTETRAFLUOROETHYLENE 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.