The Screw,externally Relieved Body, cataloged under National Stock Number 5305-01-195-4997, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Husco International Inc. Government technical data includes 14 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. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-195-4997 |
| Primary Part Number | 4921 |
| Item Name | Screw,externally Relieved Body |
| FSC / FSG | 5305 / 53 — No Item Name Available |
| Manufacturer | Husco International Inc |
| Status | ACTIVE |
| Thread Class | 3A A |
| Nominal Thread Diameter | 0.312 INCHES IN |
| Thread Length | 0.313 INCHES MINIMUM AND 0.323 INCHES MAXIMUM IN |
| First Diameter From Head | 0.250 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN |
| Thread Quantity Per Inch | 24 |
| Thread Direction | RIGHT-HAND |
| Thread Series Designator | UNF |
| Externally Relieved Body Diameter Quantity | 1 |
| Distance From Largest Bearing Surface of Head to End of First Diameter | 0.115 INCHES MINIMUM AND 0.125 INCHES MAXIMUM IN |
| Fastener Length | 0.438 INCHES NOMINAL IN |
| Head Height | 0.125 INCHES NOMINAL IN |
| Internal Drive Style | W/O INTERNAL DRIVE |
| Head Style | HEXAGON |
| Width Between Flats | 0.500 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 4921 PRIMARY | Husco International Inc (USA) |
NSN 5305-01-195-4997 is a Screw,externally Relieved Body, manufactured by Husco International Inc, classified under FSC 5305 (No Item Name Available). Status: active.
NSN 5305-01-195-4997 has 1 cross-referenced part number: 4921 (Husco International Inc).
There are 6 known substitutes for 5305-01-195-4997: 5930-00-105-8253, 5905-00-135-2134, 5360-00-350-7505 and 3 more. Verify interchangeability with system specifications before substitution.
Key specifications for 4921: Thread Class: 3A A; Nominal Thread Diameter: 0.312 INCHES IN; Thread Length: 0.313 INCHES MINIMUM AND 0.323 INCHES MAXIMUM IN; First Diameter From Head: 0.250 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN. 14 total characteristics are documented in the Federal Logistics Information System.