The Packing Nut, cataloged under National Stock Number 4730-01-172-4173, is classified within Federal Supply Class 4730 (No Item Name Available) of the Pipe, Tubing, Hose, and Fittings group. The primary manufacturer of record is Kirby Morgan Dive Systems Inc. This item has 5 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Item Name | Packing Nut |
| FSC / FSG | 4730 — No Item Name Available (FSG 47) |
| Manufacturers | Kirby Morgan Dive Systems Inc (CAGE 58366); Ministry of Defence, De&s Underwater and Electronic Warfare Pt (uew Ipt) (CAGE K1806); Honeywell Aerospace Yeovil Div Aerospace -Yeovil (CAGE U1605); Naval Sea Systems Command (CAGE 53711) |
| Parameter | Value |
|---|---|
| NSN | 4730-01-172-4173 |
| Primary Part Number | 550-055 |
| Item Name | Packing Nut |
| FSC / FSG | 4730 / 47 — No Item Name Available |
| Manufacturer | Kirby Morgan Dive Systems Inc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 18-33 | Kirby Morgan Dive Systems Inc (USA) |
| DP5847 | Ministry of Defence, De&s Underwater and Electronic Warfare Pt (uew Ipt) (GBR) |
| 550-055 PRIMARY | Kirby Morgan Dive Systems Inc (USA) |
| 9142Y136 | Honeywell Aerospace Yeovil Div Aerospace -Yeovil (GBR) |
| 592-6318286 | Naval Sea Systems Command (USA) |
NSN 4730-01-172-4173 is a Packing Nut, manufactured by Kirby Morgan Dive Systems Inc, classified under FSC 4730 (No Item Name Available). Status: active.
NSN 4730-01-172-4173 has 5 cross-referenced part numbers: 18-33 (Kirby Morgan Dive Systems Inc), DP5847 (Ministry of Defence, De&s Underwater and Electronic Warfare Pt (uew Ipt)), 550-055 (Kirby Morgan Dive Systems Inc), 9142Y136 (Honeywell Aerospace Yeovil Div Aerospace -Yeovil), 592-6318286 (Naval Sea Systems Command).
There are 3 known substitutes for 4730-01-172-4173: 3110-00-155-6723, 5360-00-468-5745, 5330-00-987-2585. Verify interchangeability with system specifications before substitution.