The Packing,preformed, cataloged under National Stock Number 5330-01-051-9984, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Carver Pump Company. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5330-01-051-9984 |
| Primary Part Number | D4-23 |
| Item Name | Packing,preformed |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Carver Pump Company |
| 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 |
|---|---|
| D4-23 PRIMARY | Carver Pump Company (USA) |
| Reference | Meaning |
|---|---|
| D4-23 | 5/9 Secondary reference Aurora Pump a Unit of General Signal Corp |
NSN 5330-01-051-9984 is a Packing,preformed, manufactured by Carver Pump Company, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-051-9984 has 1 manufacturer part number on file: D4-23 (Carver Pump Company).
1 possible match (shared part number, not a government interchangeability claim): 5340-01-341-4442. Verify interchangeability with system specifications before substitution.
Key specifications for D4-23: Special Features: CROSS-SECTIONAL SHAPE STYLE:116 IRREGULAR SHAPE FROM OLD FIIG A03200. 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.