The Screw,externally Relieved Body, cataloged under National Stock Number 5305-01-176-1982, 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 14 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. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-176-1982 |
| Primary Part Number | 4320 |
| Item Name | Screw,externally Relieved Body |
| FSC / FSG | 5305 / 53 — No Item Name Available |
| Manufacturer | Roller Bearing Co of America, Inc Div Pic Design |
| Status | ACTIVE |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 32 |
| Internal Drive Style | SLOT |
| Head Height | 0.160 INCHES NOMINAL IN |
| Head Diameter | 0.310 INCHES NOMINAL IN |
| Externally Relieved Body Diameter Quantity | 2 |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Fastener Length | 0.5005 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.164 INCHES IN |
| Material | STEEL COMP 303SE OVERALL |
| Material Document and Classification | STMA582 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Thread Direction | RIGHT-HAND |
| Head Style | FILLISTER |
| Thread Length | 0.190 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 12273417-2 | Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate (USA) |
| 4320 PRIMARY | Roller Bearing Co of America, Inc Div Pic Design (USA) |
| PL-1 | W. M. Berg, Inc. (USA) |
| PIC-4317 PRIMARY | Roller Bearing Co of America, Inc Div Pic Design (USA) |
NSN 5305-01-176-1982 is a Screw,externally Relieved Body, manufactured by Roller Bearing Co of America, Inc Div Pic Design, classified under FSC 5305 (No Item Name Available). Status: active.
NSN 5305-01-176-1982 has 4 cross-referenced part numbers: 12273417-2 (Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate), 4320 (Roller Bearing Co of America, Inc Div Pic Design), PL-1 (W. M. Berg, Inc.), PIC-4317 (Roller Bearing Co of America, Inc Div Pic Design).
There are 9 known substitutes for 5305-01-176-1982: 5930-00-061-2008, 6210-00-299-5987, 5935-00-726-9216 and 6 more. Verify interchangeability with system specifications before substitution.
Key specifications for 4320: Thread Class: 2A A; Thread Quantity Per Inch: 32; Internal Drive Style: SLOT; Head Height: 0.160 INCHES NOMINAL IN. 14 total characteristics are documented in the Federal Logistics Information System.