The Packing Nut, cataloged under National Stock Number 4730-01-167-5291, 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 Malabar. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-167-5291 |
| Primary Part Number | 55045 |
| Item Name | Packing Nut |
| FSC / FSG | 4730 / 47 — No Item Name Available |
| Manufacturer | Malabar |
| Status | ACTIVE |
| Thread Length | 1.125 INCHES NOMINAL IN |
| Smallest Inside Diameter | 0.750 INCHES NOMINAL IN |
| Length to Shoulder | 0.812 INCHES NOMINAL IN |
| Width Across Flats | 1.250 INCHES NOMINAL IN |
| Style Designator | HEXAGON, INTERNAL THREAD, SHOULDERED |
| Screw Thread Location | INTERNAL |
| Thread Direction | RIGHT-HAND |
| Casehardening Indicator | NOT CASEHARDENED |
| Thread Class | 2B |
| Thread Size | 1-1/8-12 |
| Screw Thread Series Designator | UNF |
| Material | STEEL CORROSION RESISTING |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 55045 PRIMARY | Malabar (USA) |
NSN 4730-01-167-5291 is a Packing Nut, manufactured by Malabar, classified under FSC 4730 (No Item Name Available). Status: active.
NSN 4730-01-167-5291 has 1 cross-referenced part number: 55045 (Malabar).
There are 3 known substitutes for 4730-01-167-5291: 2910-00-239-6869, 5133-01-046-2893, 5120-01-385-0680. Verify interchangeability with system specifications before substitution.
Key specifications for 55045: Thread Length: 1.125 INCHES NOMINAL IN; Smallest Inside Diameter: 0.750 INCHES NOMINAL IN; Length to Shoulder: 0.812 INCHES NOMINAL IN; Width Across Flats: 1.250 INCHES NOMINAL IN. 13 total characteristics are documented in the Federal Logistics Information System.