The Retainer,packing, cataloged under National Stock Number 5330-01-497-2678, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. Government technical data includes 5 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-497-2678 |
| Item Name | Retainer,packing |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Status | ACTIVE |
| Cross-Sectional Height | 0.698 INCHES MINIMUM AND 0.733 INCHES MAXIMUM IN |
| Material Document and Classification | ASTM B150,ALLOY C64200 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Peripheral Diameter | 1.000 INCHES NOMINAL IN |
| Center Hole Diameter | 0.516 INCHES MINIMUM AND 0.527 INCHES MAXIMUM IN |
| Material | COPPER ALLOY 642 OVERALL |
| 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 |
|---|---|
| 803-2177525-X3XX-74 | 3/2 Design control — primary reference U.S. Government activity |
| 803-2177525 | D/9 Drawing number reference only U.S. Government activity |
NSN 5330-01-497-2678 is a Retainer,packing, classified under FSC 5330, Packing and Gasket Materials. Status: active.
Key specifications for 5330-01-497-2678: Cross-Sectional Height: 0.698 INCHES MINIMUM AND 0.733 INCHES MAXIMUM IN; Material Document and Classification: ASTM B150,ALLOY C64200 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Peripheral Diameter: 1.000 INCHES NOMINAL IN; Special Features: I.D. ON BOTH SIDES HAS 1/32 IN. 45 DEGREE CHAMFER;ON ONE SIDE THE O.D. HAS A LIP APPROX. .17 INCHES DEEP 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.