The Packing Assembly, cataloged under National Stock Number 5330-01-321-6697, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Greene Tweed & Co Inc. Government technical data includes 4 specifications, 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-321-6697 |
| Primary Part Number | 351-44800-330A |
| Item Name | Packing Assembly |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Greene Tweed & Co Inc |
| Status | ACTIVE |
| Material Document and Classification | COMPOUND 155,CAGEC 72902 MFR REF SINGLE MATERIAL RESPONSE INNER RING |
| Material Document and Classification | COMPOUND 312,CAGEC 72902 MFR REF SINGLE MATERIAL RESPONSE OUTER RING |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR INNER RING |
| Material | PLASTIC POLYURETHANE OUTER RING |
| 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 |
|---|---|
| 351-44800-330A PRIMARY | Greene Tweed & Co Inc (USA) |
| Reference | Meaning |
|---|---|
| 351-44800-312A | 5/9 Secondary reference Palmetto Inc |
| 07A202-5 | 5/9 Secondary reference Northrop Grumman Systems Corporation Dba Northrop Grumman Is Div Northrop Grumman Aeronautics Systems |
| 351-44800-312A | 5/9 Secondary reference Greene Tweed & Co Inc |
NSN 5330-01-321-6697 is a Packing Assembly, manufactured by Greene Tweed & Co Inc, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-321-6697 has 1 manufacturer part number on file: 351-44800-330A (Greene Tweed & Co Inc).
Key specifications for 351-44800-330A: Material Document and Classification: COMPOUND 155,CAGEC 72902 MFR REF SINGLE MATERIAL RESPONSE INNER RING; Material Document and Classification: COMPOUND 312,CAGEC 72902 MFR REF SINGLE MATERIAL RESPONSE OUTER RING; Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR INNER RING; Material: PLASTIC POLYURETHANE OUTER RING. 4 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.