The Screw,externally Relieved Body, cataloged under National Stock Number 5305-00-866-1157, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is L3harris Technologies, Inc Div Space & Airborne Systems. Government technical data includes 19 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, 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 | 5305-00-866-1157 |
| Primary Part Number | 44056 |
| Item Name | Screw,externally Relieved Body |
| FSC / FSG | 5305 / 53 — No Item Name Available |
| Manufacturer | L3harris Technologies, Inc Div Space & Airborne Systems |
| Status | ACTIVE |
| Thread Quantity Per Inch | 28 |
| Head Style | KNURLED NO. 1 |
| Distance From Largest Bearing Surface of Head to End of First Diameter | 0.062 INCHES NOMINAL IN |
| Internal Drive Style | CROSS RECESS TYPE 1 |
| Head Height | 0.875 INCHES NOMINAL IN |
| First Diameter From Head | 0.500 INCHES NOMINAL IN |
| Second Diameter From Head | 0.156 INCHES NOMINAL IN |
| Thread Length | 0.500 INCHES MINIMUM IN |
| Externally Relieved Body Diameter Quantity | 1 |
| Distance From Largest Bearing Surface of Head to End of Second Diameter | 0.750 INCHES NOMINAL IN |
| Fastener Length | 1.250 INCHES NOMINAL IN |
| Material | STEEL COMP 303 OVERALL |
| Thread Series Designator | UNF |
| Surface Treatment | PASSIVATE OVERALL |
| Thread Class | 2A A |
| Material Document and Classification | QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Thread Direction | RIGHT-HAND |
| Head Diameter | 0.250 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 44056 PRIMARY | L3harris Technologies, Inc Div Space & Airborne Systems (USA) |
NSN 5305-00-866-1157 is a Screw,externally Relieved Body, manufactured by L3harris Technologies, Inc Div Space & Airborne Systems, classified under FSC 5305 (No Item Name Available). Status: active.
NSN 5305-00-866-1157 has 1 cross-referenced part number: 44056 (L3harris Technologies, Inc Div Space & Airborne Systems).
There are 9 known substitutes for 5305-00-866-1157: 5315-00-445-5741, 5330-00-616-7625, 4730-00-801-1039 and 6 more. Verify interchangeability with system specifications before substitution.
Key specifications for 44056: Thread Quantity Per Inch: 28; Head Style: KNURLED NO. 1; Distance From Largest Bearing Surface of Head to End of First Diameter: 0.062 INCHES NOMINAL IN; Internal Drive Style: CROSS RECESS TYPE 1. 19 total characteristics are documented in the Federal Logistics Information System.