The Retainer,packing, cataloged under National Stock Number 5330-01-538-6790, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. Government technical data includes 9 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5330-01-538-6790 |
| Item Name | Retainer,packing |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Status | ACTIVE |
| Cross-Sectional Height | 0.885 INCHES MINIMUM AND 0.919 INCHES MAXIMUM IN |
| Material Document and Classification | ASTM B150 ALLOY C64200 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Rim Surface Width | 0.135 INCHES MINIMUM AND 0.169 INCHES MAXIMUM IN |
| Cross-Sectional Shape Style | SPECIAL |
| Angle | 1.2 RADIANS NOMINAL |
| Flanged Body Outside Diameter | 1.097 INCHES MINIMUM AND 1.119 INCHES MAXIMUM IN |
| Peripheral Diameter | 1.250 INCHES NOMINAL IN |
| Center Hole Diameter | 0.641 INCHES MINIMUM AND 0.651 INCHES MAXIMUM IN |
| Material | COPPER ALLOY 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-X5XX-74 | 5/2 Secondary reference U.S. Government activity |
| 803-2177525-X4XX-74 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5330-01-538-6790 is a Retainer,packing, classified under FSC 5330, Packing and Gasket Materials. Status: active.
Key specifications for 5330-01-538-6790: Cross-Sectional Height: 0.885 INCHES MINIMUM AND 0.919 INCHES MAXIMUM IN; Material Document and Classification: ASTM B150 ALLOY C64200 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Rim Surface Width: 0.135 INCHES MINIMUM AND 0.169 INCHES MAXIMUM IN; Cross-Sectional Shape Style: SPECIAL. 9 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.