The Screw,shoulder, cataloged under National Stock Number 5305-01-079-3055, 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 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-079-3055 |
| Primary Part Number | 4317 |
| Item Name | Screw,shoulder |
| FSC / FSG | 5305 / 53 — No Item Name Available |
| Manufacturer | Roller Bearing Co of America, Inc Div Pic Design |
| Status | ACTIVE |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Fastener Length | 0.438 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.312 INCHES NOMINAL IN |
| Head Style | UNDERCUT HEXAGON |
| Thread Class | 2A A |
| Shoulder Shape | ROUND FIRST SHOULDER |
| Shoulder Diameter | 0.187 INCHES NOMINAL FIRST SHOULDER IN |
| Thread Quantity Per Inch | 32 |
| Nominal Thread Diameter | 0.164 INCHES IN |
| Head Height | 0.156 INCHES NOMINAL IN |
| Internal Drive Style | SLOT |
| Material | STEEL COMP 303 OVERALL |
| Thread Length | 0.157 INCHES NOMINAL IN |
| Shoulder Length | 0.250 INCHES NOMINAL FIRST SHOULDER IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 887B050727 | L3 Technologies, Inc. Div L3 Keo (USA) |
| 100A900111 | L3 Technologies, Inc. Div L3 Keo (USA) |
| 12279036 | Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate (USA) |
| 100A900111 | Zf Industrieantriebe Witten Gmbh (DEU) |
| 4317 PRIMARY | Roller Bearing Co of America, Inc Div Pic Design (USA) |
NSN 5305-01-079-3055 is a Screw,shoulder, manufactured by Roller Bearing Co of America, Inc Div Pic Design, classified under FSC 5305 (No Item Name Available). Status: active.
NSN 5305-01-079-3055 has 5 cross-referenced part numbers: 887B050727 (L3 Technologies, Inc. Div L3 Keo), 100A900111 (L3 Technologies, Inc. Div L3 Keo), 12279036 (Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate), 100A900111 (Zf Industrieantriebe Witten Gmbh), 4317 (Roller Bearing Co of America, Inc Div Pic Design).
There are 12 known substitutes for 5305-01-079-3055: 4720-00-105-2279, 9330-00-136-9205, 5330-00-173-2358 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 4317: Thread Series Designator: UNIFIED NATIONAL COARSE (UNC); Fastener Length: 0.438 INCHES NOMINAL IN; Thread Direction: RIGHT-HAND; Width Between Flats: 0.312 INCHES NOMINAL IN. 16 total characteristics are documented in the Federal Logistics Information System.