The Screw,shoulder, cataloged under National Stock Number 5305-01-387-1206, 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 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-387-1206 |
| Primary Part Number | 4342 |
| Item Name | Screw,shoulder |
| FSC / FSG | 5305 / 53 — No Item Name Available |
| Manufacturer | Roller Bearing Co of America, Inc Div Pic Design |
| Status | ACTIVE |
| Head Style | FLAT CHAMFER |
| Fastener Length | 1.188 INCHES MINIMUM AND 1.190 INCHES MAXIMUM IN |
| Head Diameter | 0.500 INCHES NOMINAL IN |
| Material | STEEL COMP 303 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Internal Drive Style | SLOT |
| Shoulder Shape | ROUND FIRST SHOULDER |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Thread Quantity Per Inch | 20 |
| Shoulder Diameter | 0.311 INCHES MINIMUM AND 0.312 INCHES MAXIMUM FIRST SHOULDER IN |
| Surface Treatment | PASSIVATE OVERALL |
| Shoulder Length | 0.750 INCHES MINIMUM AND 0.752 INCHES MAXIMUM FIRST SHOULDER IN |
| Thread Length | 0.438 INCHES NOMINAL IN |
| Head Height | 0.219 INCHES NOMINAL IN |
| Thread Class | 2A A |
| Thread Direction | RIGHT-HAND |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 142D2671P2 | Fluor Marine Propulsion, Llc Dba Knolls Atomic Power Laboratory (USA) |
| 4342 PRIMARY | Roller Bearing Co of America, Inc Div Pic Design (USA) |
NSN 5305-01-387-1206 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 5305-01-387-1206 has 2 cross-referenced part numbers: 142D2671P2 (Fluor Marine Propulsion, Llc Dba Knolls Atomic Power Laboratory), 4342 (Roller Bearing Co of America, Inc Div Pic Design).
There are 8 known substitutes for 5305-01-387-1206: 5905-00-082-7409, 5975-00-132-9472, 6240-00-255-0163 and 5 more. Verify interchangeability with system specifications before substitution.
Key specifications for 4342: Head Style: FLAT CHAMFER; Fastener Length: 1.188 INCHES MINIMUM AND 1.190 INCHES MAXIMUM IN; Head Diameter: 0.500 INCHES NOMINAL IN; Material: STEEL COMP 303 OVERALL. 16 total characteristics are documented in the Federal Logistics Information System.