The Packing with Retainer, cataloged under National Stock Number 5330-01-391-7946, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. Government technical data includes 14 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5330-01-391-7946 |
| Item Name | Packing with Retainer |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Status | ACTIVE |
| Packing Ring Thickness | 0.045 INCHES MINIMUM AND 0.055 INCHES MAXIMUM IN |
| Retainer Inside Diameter | 0.230 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-416, TYPE 2, CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE RETAINER |
| Packing Inside Diameter | 0.445 INCHES MAXIMUM IN |
| Outside Diameter | 0.495 INCHES MINIMUM AND 0.520 INCHES MAXIMUM IN |
| Material Document and Classification | MIL-S-18729 MIL SPEC SINGLE MATERIAL RESPONSE RETAINER |
| Material Document and Classification | AMS 7267 ASSN STD SINGLE MATERIAL RESPONSE PACKING |
| Cross-Sectional Shape Style | SPECIAL |
| Retainer Thickness | 0.067 INCHES MINIMUM AND 0.077 INCHES MAXIMUM IN |
| Color | BROWN |
| Surface Treatment | CADMIUM AND CHROMATE RETAINER |
| Material | RUBBER SILICONE CLASS Q 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 |
|---|---|
| NAS1523-4H | 3/2 Design control — primary reference U.S. Government activity |
| NAS1523 | 3/1 Design control — primary reference U.S. Government activity |
NSN 5330-01-391-7946 is a Packing with Retainer, classified under FSC 5330, Packing and Gasket Materials. Status: active.
Key specifications for 5330-01-391-7946: Packing Ring Thickness: 0.045 INCHES MINIMUM AND 0.055 INCHES MAXIMUM IN; Retainer Inside Diameter: 0.230 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-P-416, TYPE 2, CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE RETAINER; Packing Inside Diameter: 0.445 INCHES MAXIMUM IN. 14 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.