The Screw,externally Relieved Body, cataloged under National Stock Number 5305-00-141-5284, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Star Cases Llc Dba Zero Manufacturing. 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-00-141-5284 |
| Primary Part Number | 1-170-2 |
| Item Name | Screw,externally Relieved Body |
| FSC / FSG | 5305 / 53 — No Item Name Available |
| Manufacturer | Star Cases Llc Dba Zero Manufacturing |
| Status | ACTIVE |
| Thread Length | 0.250 INCHES MINIMUM IN |
| Thread Quantity Per Inch | 32 |
| Distance From Largest Bearing Surface of Head to End of First Diameter | 0.375 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.164 INCHES IN |
| Thread Direction | RIGHT-HAND |
| Head Diameter | 0.287 INCHES MINIMUM AND 0.309 INCHES MAXIMUM IN |
| Head Style | ROUND |
| Fastener Length | 0.625 INCHES NOMINAL IN |
| Material | STEEL OVERALL |
| First Diameter From Head | 0.120 INCHES MINIMUM AND 0.125 INCHES MAXIMUM IN |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Surface Treatment | CADMIUM OVERALL |
| Thread Class | 2A A |
| Externally Relieved Body Diameter Quantity | 1 |
| Head Height | 0.107 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN |
| Internal Drive Style | CROSS RECESS TYPE 1 |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 5305-00-141-5284 is a Screw,externally Relieved Body, manufactured by Star Cases Llc Dba Zero Manufacturing, classified under FSC 5305 (No Item Name Available). Status: active.
NSN 5305-00-141-5284 has 2 cross-referenced part numbers: 1-170-2 (Star Cases Llc Dba Zero Manufacturing), AN255-8 (Aeronautical Standards Group Dept of Navy and Air Force).
There are 12 known substitutes for 5305-00-141-5284: 5935-00-067-0032, 5306-00-144-3881, 5305-00-208-8311 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 1-170-2: Thread Length: 0.250 INCHES MINIMUM IN; Thread Quantity Per Inch: 32; Distance From Largest Bearing Surface of Head to End of First Diameter: 0.375 INCHES NOMINAL IN; Nominal Thread Diameter: 0.164 INCHES IN. 16 total characteristics are documented in the Federal Logistics Information System.