The Screw,externally Relieved Body, cataloged under National Stock Number 5305-00-297-8359, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.. Government technical data includes 20 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-00-297-8359 |
| Primary Part Number | 158187 |
| Item Name | Screw,externally Relieved Body |
| FSC / FSG | 5305 / 53 — No Item Name Available |
| Manufacturer | Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp. |
| Status | ACTIVE |
| Extended Washer Diameter | 0.360 INCHES MINIMUM AND 0.380 INCHES MAXIMUM IN |
| First Diameter From Head | 0.155 INCHES MINIMUM AND 0.165 INCHES MAXIMUM IN |
| Thread Class | 2A A |
| Head Height | 0.165 INCHES MINIMUM AND 0.185 INCHES MAXIMUM IN |
| Thread Quantity Per Inch | 24 |
| Fastener Length | 0.734 INCHES MINIMUM AND 0.736 INCHES MAXIMUM IN |
| Head Diameter | 0.280 INCHES MINIMUM AND 0.290 INCHES MAXIMUM IN |
| Thread Length | 0.625 INCHES MINIMUM AND 0.688 INCHES MAXIMUM IN |
| Internal Drive Style | SLOT |
| Nominal Thread Diameter | 0.190 INCHES IN |
| Extended Washer Thickness | 0.043 INCHES MINIMUM AND 0.053 INCHES MAXIMUM IN |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Surface Treatment Document and Classification | AMS 2400 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| Hardness Rating | 32.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL |
| Externally Relieved Body Diameter Quantity | 1 |
| Material Document and Classification | AMS 6322 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Distance From Largest Bearing Surface of Head to End of First Diameter | 0.078 INCHES MINIMUM AND 0.109 INCHES MAXIMUM IN |
| Material | STEEL COMP 8740 OVERALL |
| Surface Treatment | CADMIUM OVERALL |
| Thread Direction | RIGHT-HAND |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 5305-00-297-8359 is a Screw,externally Relieved Body, manufactured by Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp., classified under FSC 5305 (No Item Name Available). Status: active.
NSN 5305-00-297-8359 has 2 cross-referenced part numbers: 158187 (Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.), EAB1719 (Us Army Aviation and Missile Command).
There is 1 known substitute for 5305-00-297-8359: 5330-01-098-5988. Verify interchangeability with system specifications before substitution.
Key specifications for 158187: Extended Washer Diameter: 0.360 INCHES MINIMUM AND 0.380 INCHES MAXIMUM IN; First Diameter From Head: 0.155 INCHES MINIMUM AND 0.165 INCHES MAXIMUM IN; Thread Class: 2A A; Head Height: 0.165 INCHES MINIMUM AND 0.185 INCHES MAXIMUM IN. 20 total characteristics are documented in the Federal Logistics Information System.