The Retainer,packing, cataloged under National Stock Number 5330-01-121-2777, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. Government technical data includes 10 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5330-01-121-2777 |
| Item Name | Retainer,packing |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Status | ACTIVE |
| Attachment Hole Diameter | 0.213 INCHES NOMINAL IN |
| Attachment Feature Quantity | 4 |
| Cross-Sectional Height | 0.125 INCHES NOMINAL IN |
| Material Document and Classification | B12B1C FSCM 15226 MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | SQUARE/RECTANGULAR |
| Attachment Feature Circle Diameter | 2.875 INCHES NOMINAL SINGLE CIRCLE IN |
| Peripheral Diameter | 3.375 INCHES NOMINAL IN |
| Center Hole Diameter | 1.875 INCHES NOMINAL IN |
| Material | ALUMINUM ALLOY 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 |
| Reference | Meaning |
|---|---|
| 588408 PIECE 53 | 3/9 Design control — primary reference Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| 588408P53 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
NSN 5330-01-121-2777 is a Retainer,packing, classified under FSC 5330, Packing and Gasket Materials. Status: active.
Key specifications for 5330-01-121-2777: Attachment Hole Diameter: 0.213 INCHES NOMINAL IN; Attachment Feature Quantity: 4; Cross-Sectional Height: 0.125 INCHES NOMINAL IN; Material Document and Classification: B12B1C FSCM 15226 MFR REF SINGLE MATERIAL RESPONSE 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.