The Retainer,packing, cataloged under National Stock Number 5330-01-591-6201, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc. Government technical data includes 5 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-591-6201 |
| Primary Part Number | 1146-A09U-2 IT. NO.3 |
| Item Name | Retainer,packing |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc |
| Status | ACTIVE |
| Cross-Sectional Height | 0.5625 INCHES NOMINAL IN |
| Material Document and Classification | ASTM B61 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM B148 C95200 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM B139 C51000 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Peripheral Diameter | 0.875 INCHES NOMINAL IN |
| Center Hole Diameter | 0.569 INCHES MINIMUM AND 0.577 INCHES MAXIMUM IN |
| Material | COPPER ALLOY 922 OR COPPER ALLOY 952 OR COPPER ALLOY 510 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 |
|---|---|
| 1146-A09U-2 IT. NO.3 | Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc (USA) |
| Reference | Meaning |
|---|---|
| 803-1385714-8-18 | 3/2 Design control — primary reference U.S. Government activity |
| 803-1385714-2IN PC NO. 18 | 5/2 Secondary reference U.S. Government activity |
NSN 5330-01-591-6201 is a Retainer,packing, manufactured by Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-591-6201 has 1 manufacturer part number on file: 1146-A09U-2 IT. NO.3 (Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc).
Key specifications for 1146-A09U-2 IT. NO.3: Cross-Sectional Height: 0.5625 INCHES NOMINAL IN; Material Document and Classification: ASTM B61 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM B148 C95200 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM B139 C51000 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Peripheral Diameter: 0.875 INCHES NOMINAL IN; Center Hole Diameter: 0.569 INCHES MINIMUM AND 0.577 INCHES MAXIMUM 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.