The Packing with Retainer, cataloged under National Stock Number 5330-00-949-1875, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Alliant Techsystems Operations Llc Div Defense Electronic Systems. Government technical data includes 9 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-00-949-1875 |
| Primary Part Number | 2653946-3 |
| Item Name | Packing with Retainer |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Alliant Techsystems Operations Llc Div Defense Electronic Systems |
| Status | ACTIVE |
| Packing Inside Diameter | 0.242 INCHES NOMINAL IN |
| Outside Diameter | 0.500 INCHES NOMINAL IN |
| Packing Ring Cross-Sectional Diameter | 0.072 INCHES NOMINAL IN |
| Material Document and Classification | AMS 3304 ASSN STD SINGLE MATERIAL RESPONSE PACKING |
| Retainer Thickness | 0.050 INCHES NOMINAL IN |
| Surface Treatment | PASSIVATE RETAINER |
| Material | STEEL CORROSION RESISTING RETAINER |
| Material | RUBBER SILICONE CLASS Q PACKING |
| 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 |
| Part Number | Manufacturer |
|---|---|
| 2653946-3 | Alliant Techsystems Operations Llc Div Defense Electronic Systems (USA) |
| Reference | Meaning |
|---|---|
| 600-6230-1-4 | 3/2 Design control — primary reference U.S. Government activity |
| 600-630-1-4 | 5/9 Secondary reference U.S. Government activity |
| 600-6230-1-4 | 5/9 Secondary reference Parker Hannifin Gmbh O-Ring Division |
NSN 5330-00-949-1875 is a Packing with Retainer, manufactured by Alliant Techsystems Operations Llc Div Defense Electronic Systems, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-00-949-1875 has 1 manufacturer part number on file: 2653946-3 (Alliant Techsystems Operations Llc Div Defense Electronic Systems).
Key specifications for 2653946-3: Packing Inside Diameter: 0.242 INCHES NOMINAL IN; Outside Diameter: 0.500 INCHES NOMINAL IN; Packing Ring Cross-Sectional Diameter: 0.072 INCHES NOMINAL IN; Material Document and Classification: AMS 3304 ASSN STD SINGLE MATERIAL RESPONSE PACKING. 9 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.