The Retainer,packing, cataloged under National Stock Number 5330-00-028-7030, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. Government technical data includes 11 specifications, cited from the U.S. Government catalog. 9 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-00-028-7030 |
| Item Name | Retainer,packing |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Status | ACTIVE |
| Attachment Hole Diameter | 0.250 INCHES NOMINAL IN |
| Attachment Feature Quantity | 2 |
| Cross-Sectional Thickness | 0.062 INCHES NOMINAL IN |
| Cross-Sectional Height | 0.562 INCHES NOMINAL IN |
| Cross-Sectional Shape Style | FLANGE |
| Attachment Feature Circle Diameter | 1.563 INCHES NOMINAL SINGLE CIRCLE IN |
| Flanged Body Outside Diameter | 0.967 INCHES NOMINAL IN |
| Peripheral Diameter | 2.937 INCHES NOMINAL IN |
| Center Hole Diameter | 0.512 INCHES MINIMUM AND 0.518 INCHES MAXIMUM IN |
| Material | IRON CAST OVERALL |
| Attachment Method | ROUND HOLE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 43C14 | C/1 Advisory reference — outside the item-of-supply concept Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions |
| SP56PC4 | C/1 Advisory reference — outside the item-of-supply concept Beach-Russ Company |
| SP61-PC4 | C/1 Advisory reference — outside the item-of-supply concept Beach-Russ Company |
| SP45PC4 | 5/9 Secondary reference Beach-Russ Company |
| 43C14 | 3/9 Design control — primary reference Siemens Energy, Inc. Dba Dresser-Rand |
| 43C14 | 5/9 Secondary reference U.S. Government activity |
| 43C14 | 5/9 Secondary reference Ingersoll Rand Co |
| P2106PCALL | 5/9 Secondary reference Beach-Russ Company |
| P2106 | 5/9 Secondary reference Beach-Russ Company |
NSN 5330-00-028-7030 is a Retainer,packing, classified under FSC 5330, Packing and Gasket Materials. Status: active.
Key specifications for 5330-00-028-7030: Attachment Hole Diameter: 0.250 INCHES NOMINAL IN; Attachment Feature Quantity: 2; Cross-Sectional Thickness: 0.062 INCHES NOMINAL IN; Cross-Sectional Height: 0.562 INCHES NOMINAL IN. 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.