The Packing Nut, cataloged under National Stock Number 4730-01-170-9304, 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 Mark Controls Corp Pacific Valves Div. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-170-9304 |
| Primary Part Number | 7430 |
| Item Name | Packing Nut |
| FSC / FSG | 4730 / 47 — No Item Name Available |
| Manufacturer | Mark Controls Corp Pacific Valves Div |
| Status | ACTIVE |
| Material | STEEL COMP 304 |
| Reference Number Differentiating Characteristics | MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS |
| Style Designator | HEXAGON, EXTERNAL THREAD, BOSS |
| Width Across Flats | 1.750 INCHES NOMINAL IN |
| Screw Thread Location | EXTERNAL |
| Smallest Inside Diameter | 0.905 INCHES MINIMUM AND 0.910 INCHES MAXIMUM IN |
| Criticality Code Justification | ZZZY |
| Thread Length | 0.407 INCHES NOMINAL IN |
| Thread Size | 1-15/32-14 |
| Casehardening Indicator | NOT CASEHARDENED |
| Screw Thread Series Designator | UNS |
| Thread Class | 3A A |
| Thread Direction | RIGHT-HAND |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 4730-01-170-9304 is a Packing Nut, manufactured by Mark Controls Corp Pacific Valves Div, classified under FSC 4730 (No Item Name Available). Status: active.
NSN 4730-01-170-9304 has 2 cross-referenced part numbers: 7430 (Mark Controls Corp Pacific Valves Div), 34429-32 (Mark Controls Corp Pacific Valves Div).
There are 11 known substitutes for 4730-01-170-9304: 2815-00-146-3033, 5935-00-148-9353, 4720-00-213-0483 and 8 more. Verify interchangeability with system specifications before substitution.
Key specifications for 7430: Material: STEEL COMP 304; Overall Length: 1.094 INCHES NOMINAL IN; Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS; Style Designator: HEXAGON, EXTERNAL THREAD, BOSS. 14 total characteristics are documented in the Federal Logistics Information System.