The Washer,keyway, cataloged under National Stock Number 5310-00-564-0398, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Eaton Aerospace, Llc Dba Jackson South. Government technical data includes 9 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: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5310-00-564-0398 |
| Primary Part Number | 1663-4 |
| Item Name | Washer,keyway |
| FSC / FSG | 5310 / 53 — No Item Name Available |
| Manufacturer | Eaton Aerospace, Llc Dba Jackson South |
| Status | CANCELLED |
| Hole Diameter | 0.505 INCHES NOMINAL IN |
| External Keyway Quantity | 4 |
| External Keyway Width | 0.188 INCHES NOMINAL IN |
| Material | STEEL COMP 1040 OR STEEL COMP 1548 OR STEEL COMP 1045 OR STEEL COMP 1050 OVERALL |
| Outside Diameter | 0.750 INCHES NOMINAL IN |
| Material Thickness | 0.039 INCHES NOMINAL IN |
| Hardness Rating | 68.0 ROCKWELL A MINIMUM OR 70.0 ROCKWELL A MAXIMUM |
| External Keyway Length | 0.015 INCHES NOMINAL IN |
| Material Document and Classification | AISI ASSN STD ALL MATERIAL RESPONSES OVERALL |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
NSN 5310-00-564-0398 is a Washer,keyway, manufactured by Eaton Aerospace, Llc Dba Jackson South, classified under FSC 5310 (No Item Name Available). Status: cancelled.
NSN 5310-00-564-0398 has 3 cross-referenced part numbers: 1663-4 (Eaton Aerospace, Llc Dba Jackson South), 1663-4 (Eaton Aerospace, Llc Dba Jackson South), 1663-4 (General Signal Corp).
There are 6 known substitutes for 5310-00-564-0398: 5950-00-007-9839, 4530-00-162-3089, 5330-00-218-1402 and 3 more. Verify interchangeability with system specifications before substitution.
Key specifications for 1663-4: Hole Diameter: 0.505 INCHES NOMINAL IN; External Keyway Quantity: 4; External Keyway Width: 0.188 INCHES NOMINAL IN; Material: STEEL COMP 1040 OR STEEL COMP 1548 OR STEEL COMP 1045 OR STEEL COMP 1050 OVERALL. 9 total characteristics are documented in the Federal Logistics Information System.
NSN 5310-00-564-0398 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.