The Seal,nonmetallic Special Shaped, cataloged under National Stock Number 5330-01-308-8220, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Coc Aerospace Inc. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-308-8220 |
| Primary Part Number | A51B54018-17 |
| Item Name | Seal,nonmetallic Special Shaped |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Coc Aerospace Inc |
| Status | ACTIVE |
| Cross-Sectional Width | 6.000 INCHES NOMINAL IN |
| Cross-Sectional Shape Style | HOLLOW BULB |
| 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 |
|---|---|
| A51B54018-17 PRIMARY | Coc Aerospace Inc (USA) |
| Reference | Meaning |
|---|---|
| A51B54018-17 | 5/9 Secondary reference Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Northrop Grumman Aeronautics Systems |
| A51B54018-17 | 5/9 Secondary reference Northrop Grumman Systems Corporation |
NSN 5330-01-308-8220 is a Seal,nonmetallic Special Shaped, manufactured by Coc Aerospace Inc, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-308-8220 has 1 manufacturer part number on file: A51B54018-17 (Coc Aerospace Inc).
Key specifications for A51B54018-17: Cross-Sectional Width: 6.000 INCHES NOMINAL IN; Cross-Sectional Shape Style: HOLLOW BULB; Construction: ONE-PIECE. 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.