The Packing Assembly, cataloged under National Stock Number 5330-01-421-9905, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Brooks Instrument Llc. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
| Item Name | Packing Assembly |
| FSC / FSG | 5330 — Packing and Gasket Materials (FSG 53) |
| Manufacturers | Brooks Instrument Llc (CAGE 4ZW64) |
| Parameter | Value |
|---|---|
| NSN | 5330-01-421-9905 |
| Primary Part Number | S589B256AAA |
| Item Name | Packing Assembly |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Brooks Instrument Llc |
| 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 |
|---|---|
| S589B256AAA PRIMARY | Brooks Instrument Llc (USA) |
| Reference | Meaning |
|---|---|
| S589B256AAA | 3/9 Design control — primary reference U.S. Government activity |
NSN 5330-01-421-9905 is a Packing Assembly, manufactured by Brooks Instrument Llc, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-421-9905 has 1 manufacturer part number on file: S589B256AAA (Brooks Instrument Llc).
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.