The Packing with Retainer, cataloged under National Stock Number 5330-00-402-9893, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Amphenol Corp Div Amphenol Aerospace Operations. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-00-402-9893 |
| Primary Part Number | 21794 |
| Item Name | Packing with Retainer |
| FSC / FSG | 5330 / 53 — No Item Name Available |
| Manufacturer | Amphenol Corp Div Amphenol Aerospace Operations |
| Status | ACTIVE |
| Outside Diameter | 0.490 INCHES NOMINAL IN |
| Retainer Thickness | 0.070 INCHES NOMINAL IN |
| Construction | TWO-PIECE |
| Packing Inside Diameter | 0.150 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 21794 | Unison Industries Llc (USA) |
| 21794 | Mason Electric Co. Dba Mason Controls (USA) |
| PM21794 | Unison Industries Llc (USA) |
| PM21794 | Mason Electric Co. Dba Mason Controls (USA) |
| 21813 | Amphenol Corp Div Amphenol Aerospace Operations (USA) |
| 21813 | Unison Industries Llc (USA) |
| 21794 PRIMARY | Amphenol Corp Div Amphenol Aerospace Operations (USA) |
| PM21794 | Amphenol Corp Div Amphenol Aerospace Operations (USA) |
NSN 5330-00-402-9893 is a Packing with Retainer, manufactured by Amphenol Corp Div Amphenol Aerospace Operations, classified under FSC 5330 (No Item Name Available). Status: active.
NSN 5330-00-402-9893 has 8 cross-referenced part numbers: 21794 (Unison Industries Llc), 21794 (Mason Electric Co. Dba Mason Controls), PM21794 (Unison Industries Llc), PM21794 (Mason Electric Co. Dba Mason Controls), 21813 (Amphenol Corp Div Amphenol Aerospace Operations) and 3 more.
There are 12 known substitutes for 5330-00-402-9893: 4730-00-089-2515, 3455-00-245-4281, 2935-00-410-2463 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 21794: Outside Diameter: 0.490 INCHES NOMINAL IN; Retainer Thickness: 0.070 INCHES NOMINAL IN; Construction: TWO-PIECE; Packing Inside Diameter: 0.150 INCHES NOMINAL IN. 4 total characteristics are documented in the Federal Logistics Information System.