The Packing Assembly, cataloged under National Stock Number 5330-01-602-8523, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is The Boeing Company Div Defense. Government technical data includes 14 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-602-8523 |
| Primary Part Number | ST7M288-341E3 |
| Item Name | Packing Assembly |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Temp Rating | -65.0 FAHRENHEIT AND 275.0 FAHRENHEIT DEGF |
| Outside Diameter | 3.892 INCHES NOMINAL IN |
| Hardness Rating | 70.0 SHORE DUROMETER A NOMINAL PACKING |
| Material Document and Classification | MIL-P-25732 MIL SPEC SINGLE MATERIAL RESPONSE PACKING |
| Material Document and Classification | SAE-AS8791 NATIONAL SPEC SINGLE MATERIAL RESPONSE BOTTOM RING |
| Material Document and Classification | SAE-AS8791 NATIONAL SPEC SINGLE MATERIAL RESPONSE TOP RING |
| Cross-Sectional Shape Style | SQUARE/RECTANGULAR BOTTOM RING |
| Cross-Sectional Shape Style | SQUARE/RECTANGULAR TOP RING |
| Cross-Sectional Shape Style | TEE PACKING |
| Inside Diameter | 3.472 INCHES NOMINAL IN |
| Height | 0.416 INCHES NOMINAL IN |
| Material | PLASTIC POLYTETRAFLUOROETHYLENE BOTTOM RING |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR PACKING |
| Material | PLASTIC POLYTETRAFLUOROETHYLENE TOP 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 |
|---|---|
| ST7M288-341E3 PRIMARY | The Boeing Company Div Defense (USA) |
NSN 5330-01-602-8523 is a Packing Assembly, manufactured by The Boeing Company Div Defense, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-602-8523 has 1 manufacturer part number on file: ST7M288-341E3 (The Boeing Company Div Defense).
Key specifications for ST7M288-341E3: Temp Rating: -65.0 FAHRENHEIT AND 275.0 FAHRENHEIT DEGF; Outside Diameter: 3.892 INCHES NOMINAL IN; Hardness Rating: 70.0 SHORE DUROMETER A NOMINAL PACKING; Material Document and Classification: MIL-P-25732 MIL SPEC SINGLE MATERIAL RESPONSE PACKING. 14 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.