The Retainer,packing, cataloged under National Stock Number 5330-01-259-9331, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Flowserve Corp Dba Automax Actuators Div Flowserve Us Company. Government technical data includes 3 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 | 5330-01-259-9331 |
| Primary Part Number | 61-438-0042-1 |
| Item Name | Retainer,packing |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Flowserve Corp Dba Automax Actuators Div Flowserve Us Company |
| Status | ACTIVE |
| Peripheral Diameter | 5.216 INCHES NOMINAL IN |
| Center Hole Diameter | 4.251 INCHES NOMINAL IN |
| Material | STEEL COMP 1026 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 |
|---|---|
| 61-438-0042-1 PRIMARY | Flowserve Corp Dba Automax Actuators Div Flowserve Us Company (USA) |
NSN 5330-01-259-9331 is a Retainer,packing, manufactured by Flowserve Corp Dba Automax Actuators Div Flowserve Us Company, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-259-9331 has 1 manufacturer part number on file: 61-438-0042-1 (Flowserve Corp Dba Automax Actuators Div Flowserve Us Company).
Key specifications for 61-438-0042-1: Peripheral Diameter: 5.216 INCHES NOMINAL IN; Center Hole Diameter: 4.251 INCHES NOMINAL IN; Material: STEEL COMP 1026 OVERALL. 3 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.