The Packing,preformed, cataloged under National Stock Number 5330-01-218-3221, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. Government technical data includes 6 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5330-01-218-3221 |
| Item Name | Packing,preformed |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Status | ACTIVE |
| Criticality Code Justification | ZZZY |
| Material Document and Classification | AMS-5576 REV G ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | O-RING |
| Center Hole Diameter | 0.094 INCHES NOMINAL IN |
| Material | STEEL CORROSION RESISTING OVERALL |
| Reference Number Differentiating Characteristics | MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | C |
| Reference | Meaning |
|---|---|
| 200-2447696ITEM12 | 5/1 Secondary reference U.S. Government activity |
| 200-2151021/ITEM14 | 3/1 Design control — primary reference U.S. Government activity |
| 955-863ITEM12 | 5/1 Secondary reference Huntington Ingalls Inc Div Newport News Shipbuilding |
| U-2312-03188-SEA | 5/1 Secondary reference Triumph Thermal Systems, Llc |
NSN 5330-01-218-3221 is a Packing,preformed, classified under FSC 5330, Packing and Gasket Materials. Status: active.
Key specifications for 5330-01-218-3221: Criticality Code Justification: ZZZY; Material Document and Classification: AMS-5576 REV G ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Cross-Sectional Shape Style: O-RING; Special Features: SURFACE TREATMENT SILVER OVERALL; QQ-S-365,GRADE A. 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.