The Seal Ring,metal, cataloged under National Stock Number 5330-01-438-7228, 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5 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-438-7228 |
| Item Name | Seal Ring,metal |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Status | ACTIVE |
| Material Document and Classification | ASTM-A276 TYPE 304 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | BEVELED FACE, UPPER |
| Outside Diameter | 42.875 INCHES NOMINAL IN |
| Inside Diameter | 39.250 INCHES NOMINAL IN |
| Material | STEEL COMP 304 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 |
|---|---|
| D554BC018 | 3/2 Design control — primary reference U.S. Government activity |
| 117770 | 6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
| H554BC001 ITEM 17 | 5/9 Secondary reference U.S. Government activity |
| 117770 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
NSN 5330-01-438-7228 is a Seal Ring,metal, classified under FSC 5330, Packing and Gasket Materials. Status: active.
Key specifications for 5330-01-438-7228: Material Document and Classification: ASTM-A276 TYPE 304 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Cross-Sectional Shape Style: BEVELED FACE, UPPER; Outside Diameter: 42.875 INCHES NOMINAL IN; Inside Diameter: 39.250 INCHES NOMINAL 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.