The Retainer,packing, cataloged under National Stock Number 5330-01-413-4499, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Howell Laboratories Inc Dba Howell Laboratories Inc. Government technical data includes 5 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-413-4499 |
| Primary Part Number | 6026 ITEM 3 |
| Item Name | Retainer,packing |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Howell Laboratories Inc Dba Howell Laboratories Inc |
| Status | ACTIVE |
| Cross-Sectional Height | 0.210 INCHES NOMINAL IN |
| Cross-Sectional Shape Style | SQUARE/RECTANGULAR |
| Peripheral Diameter | 6.730 INCHES NOMINAL IN |
| Center Hole Diameter | 6.500 INCHES NOMINAL IN |
| Material | SILICONE 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 |
|---|---|
| 6026 ITEM 3 PRIMARY | Howell Laboratories Inc Dba Howell Laboratories Inc (USA) |
| 3958B-05 | Howell Laboratories Inc Dba Howell Laboratories Inc (USA) |
NSN 5330-01-413-4499 is a Retainer,packing, manufactured by Howell Laboratories Inc Dba Howell Laboratories Inc, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-413-4499 has 2 manufacturer part numbers on file: 6026 ITEM 3 (Howell Laboratories Inc Dba Howell Laboratories Inc), 3958B-05 (Howell Laboratories Inc Dba Howell Laboratories Inc).
Key specifications for 6026 ITEM 3: Cross-Sectional Height: 0.210 INCHES NOMINAL IN; Cross-Sectional Shape Style: SQUARE/RECTANGULAR; Peripheral Diameter: 6.730 INCHES NOMINAL IN; Center Hole Diameter: 6.500 INCHES NOMINAL IN. 5 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.