The Packing with Retainer, cataloged under National Stock Number 5330-01-166-5221, 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10 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-166-5221 |
| Item Name | Packing with Retainer |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Status | ACTIVE |
| Packing Inside Diameter | 0.417 INCHES MINIMUM AND 0.437 INCHES MAXIMUM IN |
| Outside Diameter | 0.745 INCHES MINIMUM AND 0.770 INCHES MAXIMUM IN |
| Packing Ring Cross-Sectional Diameter | 0.067 INCHES MINIMUM AND 0.077 INCHES MAXIMUM IN |
| Material Document and Classification | MIL-R-25988,TY2,CL1,GR60 MIL SPEC SINGLE MATERIAL RESPONSE PACKING |
| Material Document and Classification | MIL-S-1879 MIL SPEC SINGLE MATERIAL RESPONSE RETAINER |
| Specification/standard Data | 80205 NAS1523 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Retainer Thickness | 0.045 INCHES MINIMUM AND 0.055 INCHES MAXIMUM IN |
| Material | RUBBER FLUOROSILICONE CLASS FQ PACKING |
| Material | STEEL COMP 4130 RETAINER |
| Construction | ONE-PIECE |
| 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 |
|---|---|
| NAS1523 | 3/1 Design control — primary reference U.S. Government activity |
| NAS1523-7R | 3/2 Design control — primary reference U.S. Government activity |
| NAS1523-7R | 3/2 Design control — primary reference U.S. Government activity |
NSN 5330-01-166-5221 is a Packing with Retainer, classified under FSC 5330, Packing and Gasket Materials. Status: active.
Key specifications for 5330-01-166-5221: Packing Inside Diameter: 0.417 INCHES MINIMUM AND 0.437 INCHES MAXIMUM IN; Outside Diameter: 0.745 INCHES MINIMUM AND 0.770 INCHES MAXIMUM IN; Packing Ring Cross-Sectional Diameter: 0.067 INCHES MINIMUM AND 0.077 INCHES MAXIMUM IN; Material Document and Classification: MIL-R-25988,TY2,CL1,GR60 MIL SPEC SINGLE MATERIAL RESPONSE PACKING. 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.