The Retainer,packing, cataloged under National Stock Number 5330-00-536-2702, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Ross Valve Manufacturing Company, Inc. Div Ross Valve Mfg Co.. Government technical data includes 6 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 | 5330-00-536-2702 |
| Primary Part Number | 20WR16 |
| Item Name | Retainer,packing |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Ross Valve Manufacturing Company, Inc. Div Ross Valve Mfg Co. |
| Status | ACTIVE |
| Cross-Sectional Thickness | 0.188 INCHES NOMINAL IN |
| Cross-Sectional Height | 0.562 INCHES NOMINAL IN |
| Cross-Sectional Shape Style | CUP |
| Peripheral Diameter | 3.250 INCHES NOMINAL IN |
| Center Hole Diameter | 1.875 INCHES NOMINAL IN |
| Material | LEATHER 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 |
|---|---|
| 20WR16 PRIMARY | Ross Valve Manufacturing Company, Inc. Div Ross Valve Mfg Co. (USA) |
NSN 5330-00-536-2702 is a Retainer,packing, manufactured by Ross Valve Manufacturing Company, Inc. Div Ross Valve Mfg Co., classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-00-536-2702 has 1 manufacturer part number on file: 20WR16 (Ross Valve Manufacturing Company, Inc. Div Ross Valve Mfg Co.).
Key specifications for 20WR16: Cross-Sectional Thickness: 0.188 INCHES NOMINAL IN; Cross-Sectional Height: 0.562 INCHES NOMINAL IN; Cross-Sectional Shape Style: CUP; Peripheral Diameter: 3.250 INCHES NOMINAL IN. 6 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.