The Packing,preformed, cataloged under National Stock Number 5330-00-599-2121, 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9 specifications, cited from the U.S. Government catalog. 12 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-00-599-2121 |
| Item Name | Packing,preformed |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Status | ACTIVE |
| Cross-Sectional Thickness | 0.250 INCHES NOMINAL IN |
| Cross-Sectional Height | 0.352 INCHES NOMINAL IN |
| Rim Surface Width | 0.156 INCHES NOMINAL IN |
| Cross-Sectional Shape Style | SPECIAL |
| Flanged Body Outside Diameter | 12.555 INCHES MINIMUM AND 12.560 INCHES MAXIMUM IN |
| Peripheral Diameter | 12.671 INCHES NOMINAL IN |
| Center Hole Diameter | 12.055 INCHES MINIMUM AND 12.060 INCHES MAXIMUM IN |
| Material | RUBBER SYNTHETIC OVERALL |
| Body Recess Depth | 0.097 INCHES NOMINAL IN |
| 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 |
|---|---|
| 3600-254REVB GASKET NO. 48 | 3/2 Design control — primary reference U.S. Government activity |
| 575-4801-1443853REVAPC7 | 5/9 Secondary reference U.S. Government activity |
| 3665-247REVAPC18 | 5/9 Secondary reference U.S. Government activity |
| 575-0103-1443626REVBPC47 | 5/9 Secondary reference U.S. Government activity |
| 3700-254REVBPC47 | 5/9 Secondary reference U.S. Government activity |
| 571-4801-1303404REVAPC18 | 5/9 Secondary reference U.S. Government activity |
| 3600-254REVAPC48 | 5/9 Secondary reference U.S. Government activity |
| 571-0103-1302000REVAPC48 | 5/9 Secondary reference U.S. Government activity |
| 3765-245PC7 | 5/9 Secondary reference U.S. Government activity |
| 4265-245REVAPC7 | 5/9 Secondary reference U.S. Government activity |
| 576-4801-1505478REVAPC7 | 5/9 Secondary reference U.S. Government activity |
| 4265-245REVAPC7 | 5/9 Secondary reference U.S. Government activity |
NSN 5330-00-599-2121 is a Packing,preformed, classified under FSC 5330, Packing and Gasket Materials. Status: active.
Key specifications for 5330-00-599-2121: Cross-Sectional Thickness: 0.250 INCHES NOMINAL IN; Cross-Sectional Height: 0.352 INCHES NOMINAL IN; Rim Surface Width: 0.156 INCHES NOMINAL 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.