The Packing Assembly, cataloged under National Stock Number 5330-01-578-7591, 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 11 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-578-7591 |
| Primary Part Number | 65183N-950 |
| Item Name | Packing Assembly |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc |
| Status | ACTIVE |
| Intermediate Ring Quantity | 3 |
| Outside Diameter | 1.741 INCHES MINIMUM AND 1.751 INCHES MAXIMUM IN |
| Material Document and Classification | GARLOCK STYLE NUMBER 9032 PRODUCT CODE 47934 OR EQUIVALENT MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | CUP TOP RING |
| Cross-Sectional Shape Style | CUP BOTTOM RING |
| Cross-Sectional Shape Style | SQUARE/RECTANGULAR INTERMEDIATE RING |
| Inside Diameter | 1.130 INCHES MINIMUM AND 1.140 INCHES MAXIMUM IN |
| Height | 1.613 INCHES NOMINAL IN |
| Material | GRAPHITE BOTTOM RING |
| Material | GRAPHITE INTERMEDIATE RING |
| Material | GRAPHITE 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 |
|---|---|
| 65183N-950 PRIMARY | Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc (USA) |
| Reference | Meaning |
|---|---|
| 803-1385623-04XX-120 | 5/9 Secondary reference U.S. Government activity |
NSN 5330-01-578-7591 is a Packing Assembly, manufactured by Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-578-7591 has 1 manufacturer part number on file: 65183N-950 (Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc).
Key specifications for 65183N-950: Intermediate Ring Quantity: 3; Outside Diameter: 1.741 INCHES MINIMUM AND 1.751 INCHES MAXIMUM IN; Material Document and Classification: GARLOCK STYLE NUMBER 9032 PRODUCT CODE 47934 OR EQUIVALENT MFR REF SINGLE MATERIAL RESPONSE OVERALL; Cross-Sectional Shape Style: CUP TOP RING. 11 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.