The Bolt,fluid Passage, cataloged under National Stock Number 4730-00-638-3574, 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 Pdi Ground Support Systems, Inc.. Government technical data includes 27 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. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-638-3574 |
| Primary Part Number | 31093 |
| Item Name | Bolt,fluid Passage |
| FSC / FSG | 4730 / 47 — No Item Name Available |
| Manufacturer | Pdi Ground Support Systems, Inc. |
| Status | ACTIVE |
| Cotter Pin Hole Diameter | 0.140 INCHES NOMINAL IN |
| Width Across Flats | 0.875 INCHES MINIMUM AND 0.880 INCHES MAXIMUM IN |
| Concentric Hole Diameter | 0.188 INCHES NOMINAL IN |
| First Diameter From Wrenching Feature | 0.575 INCHES MINIMUM AND 0.581 INCHES MAXIMUM IN |
| Distance From First Radial Hole Center to End of Bolt | 1.875 INCHES NOMINAL IN |
| Length From Bearing Surface of Wrenching Feature to End of First Diameter | 0.313 INCHES NOMINAL IN |
| Second Diameter From Wrenching Feature | 0.556 INCHES MINIMUM AND 0.559 INCHES MAXIMUM IN |
| Wrenching Feature Height | 0.562 INCHES NOMINAL IN |
| Length From Bearing Surface of Wrenching Feature to End of Second Diameter | 2.375 INCHES NOMINAL IN |
| Second End Connection Type | THREADED INTERNAL PIPE |
| First End Thread Direction | RIGHT-HAND |
| First Radial Fluid Hole Diameter | 0.156 INCHES NOMINAL IN |
| First End Style Designator | PLAIN |
| First End Thread Quantity Per Inch | 18 |
| Second End Thread Series Designator | NPT |
| Second End Style Designator | PLAIN |
| Second End Thread Direction | RIGHT-HAND |
| First End Thread Class | 3A A |
| Material | STEEL COMP 1020 |
| First End Connection Type | THREADED EXTERNAL TUBE |
| Length From Bearing Surface of Wrenching Feature to Bolt End | 3.250 INCHES NOMINAL IN |
| First End Thread Series Designator | UNF |
| Distance From Bolt End to Hole Center | 0.188 INCHES NOMINAL IN |
| First End Nominal Thread Size | 0.562 INCHES IN |
| Wrenching Feature Style | HEXAGON |
| First End Thread Length | 0.875 INCHES NOMINAL IN |
| Body Style | PLAIN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 31093 PRIMARY | Pdi Ground Support Systems, Inc. (USA) |
NSN 4730-00-638-3574 is a Bolt,fluid Passage, manufactured by Pdi Ground Support Systems, Inc., classified under FSC 4730 (No Item Name Available). Status: active.
NSN 4730-00-638-3574 has 1 cross-referenced part number: 31093 (Pdi Ground Support Systems, Inc.).
There are 9 known substitutes for 4730-00-638-3574: 5940-00-553-2716, 5330-00-731-8702, 3120-01-037-7905 and 6 more. Verify interchangeability with system specifications before substitution.
Key specifications for 31093: Cotter Pin Hole Diameter: 0.140 INCHES NOMINAL IN; Width Across Flats: 0.875 INCHES MINIMUM AND 0.880 INCHES MAXIMUM IN; Concentric Hole Diameter: 0.188 INCHES NOMINAL IN; First Diameter From Wrenching Feature: 0.575 INCHES MINIMUM AND 0.581 INCHES MAXIMUM IN. 28 total characteristics are documented in the Federal Logistics Information System.