The Screw,machine, cataloged under National Stock Number 5305-01-448-3318, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Naval Sea Systems Command. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-448-3318 |
| Primary Part Number | 122-6602816 PC 19 |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — No Item Name Available |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Fastener Length | 0.875 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND |
| Thread Length | 0.875 INCHES NOMINAL IN |
| Departure From Cited Document | AS MODIFIED MY MATERIAL |
| Head Height | 0.162 INCHES MINIMUM AND 0.175 INCHES MAXIMUM IN |
| Thread Quantity Per Inch | 20 |
| Internal Drive Style | CROSS RECESS TYPE 1 |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Screw Surface Treatment | PASSIVATE |
| Head Diameter | 0.473 INCHES MINIMUM AND 0.492 INCHES MAXIMUM IN |
| Thread Class | 2A A |
| Screw Material | STEEL COMP 316 |
| Head Style | PAN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 122-6602816 PC 19 | Naval Sea Systems Command (USA) |
| MS35307-307 | Zf Industrieantriebe Witten Gmbh (DEU) |
| 122-6669173 PC 20 | Naval Sea Systems Command (USA) |
| MS51957-82 | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
NSN 5305-01-448-3318 is a Screw,machine, manufactured by Naval Sea Systems Command, classified under FSC 5305 (No Item Name Available). Status: active.
NSN 5305-01-448-3318 has 4 cross-referenced part numbers: 122-6602816 PC 19 (Naval Sea Systems Command), MS35307-307 (Zf Industrieantriebe Witten Gmbh), 122-6669173 PC 20 (Naval Sea Systems Command), MS51957-82 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M).
There are 5 known substitutes for 5305-01-448-3318: 5305-00-021-3620, 5305-00-071-1317, 5305-00-826-1064 and 2 more. Verify interchangeability with system specifications before substitution.
Key specifications for 122-6602816 PC 19: Nominal Thread Diameter: 0.250 INCHES IN; Fastener Length: 0.875 INCHES NOMINAL IN; Thread Direction: RIGHT-HAND; Thread Length: 0.875 INCHES NOMINAL IN. 14 total characteristics are documented in the Federal Logistics Information System.