The Screw,shoulder, cataloged under National Stock Number 5305-01-068-5508, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Zf Industrieantriebe Witten Gmbh. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5305-01-068-5508 |
| Primary Part Number | 4428 |
| Item Name | Screw,shoulder |
| FSC / FSG | 5305 / 53 — No Item Name Available |
| Manufacturer | Zf Industrieantriebe Witten Gmbh |
| Status | CANCELLED |
| Internal Drive Style | HEXAGON |
| Material | STEEL COMP 303 OVERALL |
| Shoulder Shape | ROUND FIRST SHOULDER |
| Nominal Thread Diameter | 0.190 INCHES IN |
| Thread Length | 0.250 INCHES NOMINAL IN |
| Shoulder Length | 0.250 INCHES MINIMUM AND 0.252 INCHES MAXIMUM FIRST SHOULDER IN |
| Thread Series Designator | UNF |
| Fastener Length | 0.500 INCHES MINIMUM AND 0.502 INCHES MAXIMUM IN |
| Head Height | 0.188 INCHES NOMINAL IN |
| Thread Class | 2A A |
| Shoulder Diameter | 0.249 INCHES MINIMUM AND 0.250 INCHES MAXIMUM FIRST SHOULDER IN |
| Thread Direction | RIGHT-HAND |
| Head Diameter | 0.375 INCHES NOMINAL IN |
| Thread Quantity Per Inch | 32 |
| Width Across Flats | 0.125 INCHES NOMINAL IN |
| Head Style | FLAT CHAMFER |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 4428 | Zf Industrieantriebe Witten Gmbh (DEU) |
| PZ19-3 | W. M. Berg, Inc. (USA) |
| 10280495-2 | Us Army Aviation and Missile Command (USA) |
| 44D28 | Zf Industrieantriebe Witten Gmbh (DEU) |
| 4001397-2 | Zf Industrieantriebe Witten Gmbh (DEU) |
NSN 5305-01-068-5508 is a Screw,shoulder, manufactured by Zf Industrieantriebe Witten Gmbh, classified under FSC 5305 (No Item Name Available). Status: cancelled.
NSN 5305-01-068-5508 has 5 cross-referenced part numbers: 4428 (Zf Industrieantriebe Witten Gmbh), PZ19-3 (W. M. Berg, Inc.), 10280495-2 (Us Army Aviation and Missile Command), 44D28 (Zf Industrieantriebe Witten Gmbh), 4001397-2 (Zf Industrieantriebe Witten Gmbh).
There are 8 known substitutes for 5305-01-068-5508: 5306-00-206-6270, 5920-00-247-2698, 2805-00-271-9554 and 5 more. Verify interchangeability with system specifications before substitution.
Key specifications for 4428: Internal Drive Style: HEXAGON; Material: STEEL COMP 303 OVERALL; Shoulder Shape: ROUND FIRST SHOULDER; Nominal Thread Diameter: 0.190 INCHES IN. 16 total characteristics are documented in the Federal Logistics Information System.
NSN 5305-01-068-5508 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.