The Screw,shoulder, cataloged under National Stock Number 5305-01-088-2802, 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 19 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 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 | 5305-01-088-2802 |
| Primary Part Number | 4431 |
| 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 |
| Nominal Thread Diameter | 0.190 INCHES IN |
| Shoulder Diameter | 0.249 INCHES MINIMUM AND 0.250 INCHES MAXIMUM FIRST SHOULDER IN |
| Width Across Flats | 0.125 INCHES NOMINAL IN |
| Shoulder Shape | ROUND FIRST SHOULDER |
| Shoulder Length | 0.500 INCHES MINIMUM AND 0.502 INCHES MAXIMUM FIRST SHOULDER IN |
| Surface Treatment | PASSIVATE OVERALL |
| Material Document and Classification | ASTM A581 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM A582 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Thread Class | 2A A |
| Fastener Length | 0.750 INCHES MINIMUM AND 0.752 INCHES MAXIMUM IN |
| Head Style | FLAT CHAMFER |
| Thread Quantity Per Inch | 32 |
| Thread Direction | RIGHT-HAND |
| Head Height | 0.188 INCHES NOMINAL IN |
| Material | STEEL COMP 303 OVERALL |
| Thread Length | 0.250 INCHES NOMINAL IN |
| Head Diameter | 0.375 INCHES NOMINAL IN |
| Internal Drive Style | HEXAGON |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| PZ-22-3 | W. M. Berg, Inc. (USA) |
| 132D9837P7 | Fluor Marine Propulsion, Llc Dba Knolls Atomic Power Laboratory (USA) |
| 810AS1240 | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
| 5044448-3 | Us Army Combat Surveillance and Target Acquisition Laboratory (USA) |
| 4431 PRIMARY | Roller Bearing Co of America, Inc Div Pic Design (USA) |
NSN 5305-01-088-2802 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 5305-01-088-2802 has 5 cross-referenced part numbers: PZ-22-3 (W. M. Berg, Inc.), 132D9837P7 (Fluor Marine Propulsion, Llc Dba Knolls Atomic Power Laboratory), 810AS1240 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier), 5044448-3 (Us Army Combat Surveillance and Target Acquisition Laboratory), 4431 (Roller Bearing Co of America, Inc Div Pic Design).
There are 12 known substitutes for 5305-01-088-2802: 5905-00-082-7218, 5935-00-088-8964, 5120-00-133-0642 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 4431: Thread Series Designator: UNF; Nominal Thread Diameter: 0.190 INCHES IN; Shoulder Diameter: 0.249 INCHES MINIMUM AND 0.250 INCHES MAXIMUM FIRST SHOULDER IN; Width Across Flats: 0.125 INCHES NOMINAL IN. 19 total characteristics are documented in the Federal Logistics Information System.
NSN 5305-01-088-2802 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.