The Screw,externally Relieved Body, cataloged under National Stock Number 5305-00-369-2447, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp. Government technical data includes 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-00-369-2447 |
| Primary Part Number | 138399 |
| Item Name | Screw,externally Relieved Body |
| FSC / FSG | 5305 / 53 — No Item Name Available |
| Manufacturer | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp |
| Status | ACTIVE |
| Internal Drive Style | W/O INTERNAL DRIVE |
| Nominal Thread Diameter | 0.112 INCHES IN |
| Externally Relieved Body Diameter Quantity | 1 |
| Thread Class | 2A A |
| Countersink Angle | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| Fastener Length | 0.260 INCHES NOMINAL IN |
| Thread Length | 0.120 INCHES MINIMUM IN |
| Head Style | FLAT COUNTERSUNK |
| Head Diameter | 0.207 INCHES MINIMUM AND 0.225 INCHES MAXIMUM IN |
| Thread Direction | RIGHT-HAND |
| Thread Quantity Per Inch | 40 |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Material Document and Classification | ASTM A582 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Surface Treatment | PASSIVATE OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Material | STEEL COMP 303 OVERALL |
| First Diameter From Head | 0.080 INCHES NOMINAL IN |
| Distance From Largest Bearing Surface of Head to End of First Diameter | 0.092 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 5305-00-369-2447 is a Screw,externally Relieved Body, manufactured by Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp, classified under FSC 5305 (No Item Name Available). Status: active.
NSN 5305-00-369-2447 has 3 cross-referenced part numbers: 50313 (Torkon Fastener Corp), 138399 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp), SK138399 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp).
There are 6 known substitutes for 5305-00-369-2447: 5330-00-291-1644, 5305-00-451-1644, 4140-00-564-5980 and 3 more. Verify interchangeability with system specifications before substitution.
Key specifications for 138399: Internal Drive Style: W/O INTERNAL DRIVE; Nominal Thread Diameter: 0.112 INCHES IN; Externally Relieved Body Diameter Quantity: 1; Thread Class: 2A A. 19 total characteristics are documented in the Federal Logistics Information System.