The Screw,shoulder, cataloged under National Stock Number 5305-00-952-1193, 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 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5305-00-952-1193 |
| Primary Part Number | 4321U |
| 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 | UNIFIED NATIONAL COARSE (UNC) |
| Material | STEEL COMP 303 OVERALL |
| Thread Direction | RIGHT-HAND |
| Surface Treatment | PASSIVATE OVERALL |
| Internal Drive Style | CROSS RECESS TYPE 1 |
| Features Provided | CASEHARDENED |
| Thread Quantity Per Inch | 32 |
| Nominal Thread Diameter | 0.164 INCHES IN |
| Head Style | FILLISTER |
| Shoulder Length | 0.625 INCHES NOMINAL FIRST SHOULDER IN |
| Shoulder Diameter | 0.188 INCHES NOMINAL FIRST SHOULDER IN |
| Thread Length | 0.187 INCHES MINIMUM IN |
| Thread Class | 2A A |
| Head Diameter | 0.313 INCHES NOMINAL IN |
| Head Height | 0.156 INCHES NOMINAL IN |
| Shoulder Shape | ROUND FIRST SHOULDER |
| Fastener Length | 0.812 INCHES NOMINAL IN |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 4321U PRIMARY | Roller Bearing Co of America, Inc Div Pic Design (USA) |
| F169-12 | Bae Systems Information and Electronic Systems Integration Inc. (USA) |
| C5076412 FIND 70 | Us Army Combat Surveillance and Target Acquisition Laboratory (USA) |
| 4321 PRIMARY | Roller Bearing Co of America, Inc Div Pic Design (USA) |
NSN 5305-00-952-1193 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 5305-00-952-1193 has 4 cross-referenced part numbers: 4321U (Roller Bearing Co of America, Inc Div Pic Design), F169-12 (Bae Systems Information and Electronic Systems Integration Inc.), C5076412 FIND 70 (Us Army Combat Surveillance and Target Acquisition Laboratory), 4321 (Roller Bearing Co of America, Inc Div Pic Design).
There are 12 known substitutes for 5305-00-952-1193: 5940-00-215-5962, 5133-00-253-5458, 6685-00-530-0339 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 4321U: Thread Series Designator: UNIFIED NATIONAL COARSE (UNC); Material: STEEL COMP 303 OVERALL; Thread Direction: RIGHT-HAND; Surface Treatment: PASSIVATE OVERALL. 17 total characteristics are documented in the Federal Logistics Information System.
NSN 5305-00-952-1193 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.