The Retainer,packing, cataloged under National Stock Number 5330-01-129-0668, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 10 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-129-0668 |
| Primary Part Number | 123-4775445 ITEM 6 |
| Item Name | Retainer,packing |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Attachment Hole Diameter | 0.281 INCHES NOMINAL IN |
| Attachment Feature Quantity | 6 |
| Cross-Sectional Height | 0.312 INCHES NOMINAL IN |
| Material Document and Classification | QQ-N-281,CL A,FORM 1,COND HOT FINISHED FED SPEC ALL MATERIAL RESPONSES OVERALL |
| Cross-Sectional Shape Style | OVAL |
| Attachment Feature Circle Diameter | 3.562 INCHES NOMINAL SINGLE CIRCLE IN |
| Peripheral Diameter | 4.230 INCHES NOMINAL IN |
| Center Hole Diameter | 2.750 INCHES NOMINAL IN |
| Material | NICKEL ALLOY R-405 OR NICKEL ALLOY 400 OVERALL |
| Attachment Method | ROUND HOLE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 123-4775445 ITEM 6 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 123-4775445 ITEM 6 | 5/9 Secondary reference U.S. Government activity |
NSN 5330-01-129-0668 is a Retainer,packing, manufactured by Naval Sea Systems Command, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-129-0668 has 1 manufacturer part number on file: 123-4775445 ITEM 6 (Naval Sea Systems Command).
Key specifications for 123-4775445 ITEM 6: Attachment Hole Diameter: 0.281 INCHES NOMINAL IN; Attachment Feature Quantity: 6; Cross-Sectional Height: 0.312 INCHES NOMINAL IN; Material Document and Classification: QQ-N-281,CL A,FORM 1,COND HOT FINISHED FED SPEC ALL MATERIAL RESPONSES OVERALL. 10 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.