The Screw,shoulder, cataloged under National Stock Number 5305-01-126-4717, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Roller Bearing Co of America, Inc Div Pic Design. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5305-01-126-4717 |
| Primary Part Number | 4429 |
| Item Name | Screw,shoulder |
| FSC / FSG | 5305 / 53 — No Item Name Available |
| Manufacturer | Roller Bearing Co of America, Inc Div Pic Design |
| Status | CANCELLED |
| Thread Series Designator | UNF |
| Internal Drive Style | HEXAGON |
| Thread Length | 0.250 INCHES NOMINAL IN |
| Material | STEEL COMP 303 OVERALL |
| Shoulder Length | 0.312 INCHES MINIMUM AND 0.314 INCHES MAXIMUM FIRST SHOULDER IN |
| Fastener Length | 0.562 INCHES MINIMUM AND 0.564 INCHES MAXIMUM IN |
| Shoulder Shape | ROUND FIRST SHOULDER |
| Thread Direction | RIGHT-HAND |
| Head Style | FLAT CHAMFER |
| Head Diameter | 0.375 INCHES NOMINAL IN |
| Head Height | 0.187 INCHES NOMINAL IN |
| Shoulder Diameter | 0.249 INCHES MINIMUM AND 0.250 INCHES MAXIMUM FIRST SHOULDER IN |
| Nominal Thread Diameter | 0.190 INCHES IN |
| Width Across Flats | 0.125 INCHES NOMINAL IN |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 32 |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 4429 PRIMARY | Roller Bearing Co of America, Inc Div Pic Design (USA) |
| 4001397-3 | L3harris Technologies, Inc. Div Space and Airborne Systems (USA) |
| 885B052664 | Northrop Grumman Systems Corporation (USA) |
| 4245261-020 | Ail Systems Inc Sub of Eaton Corp (USA) |
| PZ-20-3 | W. M. Berg, Inc. (USA) |
| 44D29 | Allied Devices Corp Dba Absolute Precision Co (USA) |
NSN 5305-01-126-4717 is a Screw,shoulder, manufactured by Roller Bearing Co of America, Inc Div Pic Design, classified under FSC 5305 (No Item Name Available). Status: cancelled.
NSN 5305-01-126-4717 has 6 cross-referenced part numbers: 4429 (Roller Bearing Co of America, Inc Div Pic Design), 4001397-3 (L3harris Technologies, Inc. Div Space and Airborne Systems), 885B052664 (Northrop Grumman Systems Corporation), 4245261-020 (Ail Systems Inc Sub of Eaton Corp), PZ-20-3 (W. M. Berg, Inc.) and 1 more.
There are 10 known substitutes for 5305-01-126-4717: 3110-00-156-1779, 5915-00-348-2160, 6515-00-584-2628 and 7 more. Verify interchangeability with system specifications before substitution.
Key specifications for 4429: Thread Series Designator: UNF; Internal Drive Style: HEXAGON; Thread Length: 0.250 INCHES NOMINAL IN; Material: STEEL COMP 303 OVERALL. 16 total characteristics are documented in the Federal Logistics Information System.
NSN 5305-01-126-4717 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.