The Packing with Retainer, cataloged under National Stock Number 5330-01-685-7056, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Brown-Darnell Co. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-685-7056 |
| Primary Part Number | NAS1523C6H |
| Item Name | Packing with Retainer |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Brown-Darnell Co |
| Status | ACTIVE |
| Surface Treatment Document and Classification | AMS2700, METHOD 1, CLASS 4 ASSN STD SINGLE TREATMENT RESPONSE RETAINER |
| Packing Inside Diameter | 0.354 INCHES MINIMUM AND 0.374 INCHES MAXIMUM IN |
| Outside Diameter | 0.651 INCHES MINIMUM AND 0.676 INCHES MAXIMUM IN |
| Material Document and Classification | AMS5901 ASSN STD SINGLE MATERIAL RESPONSE OR AMS5518 ASSN STD SINGLE MATERIAL RESPONSE OR AMS5516 ASSN STD SINGLE MATERIAL RESPONSE OR AMS5904 ASSN STD SINGLE MATERIAL RESPONSE OR AMS5513 ASSN STD SINGLE MATERIAL RESPONSE OR AMS5911 ASSN STD SINGLE MATERIAL RESPONSE RETAINER |
| Material Document and Classification | AMS7267 ASSN STD SINGLE MATERIAL RESPONSE PACKING |
| Cross-Sectional Shape Style | SPECIAL |
| Retainer Thickness | 0.045 INCHES MINIMUM AND 0.055 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE RETAINER |
| Material | STEEL COMP 301 OR STEEL COMP 302 OR STEEL COMP 304 RETAINER |
| Construction | TWO-PIECE |
| 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 |
|---|---|
| NAS1523C6H | Brown-Darnell Co (USA) |
| Reference | Meaning |
|---|---|
| NAS1523 | 3/1 Design control — primary reference U.S. Government activity |
| NAS1523C6H | 3/2 Design control — primary reference U.S. Government activity |
NSN 5330-01-685-7056 is a Packing with Retainer, manufactured by Brown-Darnell Co, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-685-7056 has 1 manufacturer part number on file: NAS1523C6H (Brown-Darnell Co).
Key specifications for NAS1523C6H: Surface Treatment Document and Classification: AMS2700, METHOD 1, CLASS 4 ASSN STD SINGLE TREATMENT RESPONSE RETAINER; Packing Inside Diameter: 0.354 INCHES MINIMUM AND 0.374 INCHES MAXIMUM IN; Outside Diameter: 0.651 INCHES MINIMUM AND 0.676 INCHES MAXIMUM IN; Material Document and Classification: AMS5901 ASSN STD SINGLE MATERIAL RESPONSE OR AMS5518 ASSN STD SINGLE MATERIAL RESPONSE OR AMS5516 ASSN STD SINGLE MATERIAL RESPONSE OR AMS5904 ASSN STD SINGLE MATERIAL RESPONSE OR AMS5513 ASSN STD SINGLE MATERIAL RESPONSE OR AMS5911 ASSN STD SINGLE MATERIAL RESPONSE RETAINER. 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.