The Packing,preformed, cataloged under National Stock Number 5330-01-281-6509, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Eaton Corporation Dba Eaton Inoac Div Eaton. Government technical data includes 1 specification, cited from the U.S. Government catalog. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5330-01-281-6509 |
| Primary Part Number | 78890 |
| Item Name | Packing,preformed |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Eaton Corporation Dba Eaton Inoac Div Eaton |
| Status | ACTIVE |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL |
| 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 |
|---|---|
| 78890 PRIMARY | Eaton Corporation Dba Eaton Inoac Div Eaton (USA) |
| Reference | Meaning |
|---|---|
| 78400 ITEM 31 | 5/9 Secondary reference Eaton Corporation Dba Eaton Inoac Div Eaton |
NSN 5330-01-281-6509 is a Packing,preformed, manufactured by Eaton Corporation Dba Eaton Inoac Div Eaton, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-281-6509 has 1 manufacturer part number on file: 78890 (Eaton Corporation Dba Eaton Inoac Div Eaton).
1 possible match (shared part number, not a government interchangeability claim): 3030-01-597-8192. Verify interchangeability with system specifications before substitution.
Key specifications for 78890: End Item Identification: STERN TB SEAL; Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL. 1 specification is 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.