The Packing,preformed, cataloged under National Stock Number 5330-01-556-6845, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is William E Williams Valve Corp. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-556-6845 |
| Primary Part Number | LHD0301-9 3.00IN |
| Item Name | Packing,preformed |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | William E Williams Valve Corp |
| 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 |
|---|---|
| LHD0301-9 3.00IN PRIMARY | William E Williams Valve Corp (USA) |
| Reference | Meaning |
|---|---|
| LHD0301 | D/9 Drawing number reference only William E Williams Valve Corp |
NSN 5330-01-556-6845 is a Packing,preformed, manufactured by William E Williams Valve Corp, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-556-6845 has 1 manufacturer part number on file: LHD0301-9 3.00IN (William E Williams Valve Corp).
1 possible match (shared part number, not a government interchangeability claim): 4810-01-556-6850. Verify interchangeability with system specifications before substitution.
Key specifications for LHD0301-9 3.00IN: Special Features: GRAPHITE MATERIAL PACKING SET; Part Name Assigned by Controlling Agency: PACKING SET; End Item Identification: NEW CONSTRUCTION LHD8; 4810-01-556-4426 CAST STAINLESS GATE VALVE 3.0IN WITH ACTUATOR IN. 0 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.