The Gasket, cataloged under National Stock Number 5330-01-631-6982, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Niantic Seal Inc Dba Atco. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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.
| Item Name | Gasket |
| FSC / FSG | 5330 — Packing and Gasket Materials (FSG 53) |
| Manufacturers | Niantic Seal Inc Dba Atco (CAGE 59871); Naval Sea Systems Command (CAGE 53711) |
| Parameter | Value |
|---|---|
| NSN | 5330-01-631-6982 |
| Primary Part Number | NSI10522-45 |
| Item Name | Gasket |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Niantic Seal Inc Dba Atco |
| Status | ACTIVE |
| 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 |
|---|---|
| NSI10522-45 PRIMARY | Niantic Seal Inc Dba Atco (USA) |
| 569-8217350-77 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 218082985 | 5/2 Secondary reference U.S. Government activity |
| 569-8217350 | D/9 Drawing number reference only Naval Sea Systems Command |
| H677-2205-77 | 5/2 Secondary reference U.S. Government activity |
NSN 5330-01-631-6982 is a Gasket, manufactured by Niantic Seal Inc Dba Atco, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-631-6982 has 2 manufacturer part numbers on file: NSI10522-45 (Niantic Seal Inc Dba Atco), 569-8217350-77 (Naval Sea Systems Command).
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.