The Seal,nonmetallic Special Shaped, cataloged under National Stock Number 5330-01-430-3891, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Isometrics Inc. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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.
| Item Name | Seal,nonmetallic Special Shaped |
| FSC / FSG | 5330 — Packing and Gasket Materials (FSG 53) |
| Manufacturers | Atlantic India Rubber Co Inc (CAGE 70485); Isometrics Inc (CAGE 55242) |
| Parameter | Value |
|---|---|
| NSN | 5330-01-430-3891 |
| Primary Part Number | X-1055 BUNA N |
| Item Name | Seal,nonmetallic Special Shaped |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Isometrics Inc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Part Number | Manufacturer |
|---|---|
| X1055-099947065 | Atlantic India Rubber Co Inc (USA) |
| X-1055 BUNA N PRIMARY | Isometrics Inc (USA) |
| Reference | Meaning |
|---|---|
| X-1055BUNA-N 70 DURO | 5/9 Secondary reference Atlantic India Rubber Co Inc |
| X-1055BUNA-N 70 DURO | 5/9 Secondary reference Mid-Coast Industries, Inc Div Mid-Atlantic Rubber Company |
NSN 5330-01-430-3891 is a Seal,nonmetallic Special Shaped, manufactured by Isometrics Inc, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-430-3891 has 2 manufacturer part numbers on file: X1055-099947065 (Atlantic India Rubber Co Inc), X-1055 BUNA N (Isometrics Inc).
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.