The Washer,flat, cataloged under National Stock Number 5310-00-909-0899, 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: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-909-0899 |
| Primary Part Number | 5506-4 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — No Item Name Available |
| Manufacturer | Eaton Aerospace, Llc Dba Jackson South |
| Status | ACTIVE |
| Material Document and Classification | AISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Material | STEEL COMP 1075 OVERALL |
| Peripheral Shape Style | ROUND |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 0.819 INCHES NOMINAL IN |
| Hardness Rating | 45.0 ROCKWELL C MINIMUM AND 48.0 ROCKWELL C MAXIMUM |
| Thickness | 0.017 INCHES NOMINAL IN |
| Overall Diameter | 1.055 INCHES NOMINAL IN |
| Cross-Sectional Shape Style | RECTANGULAR |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 5310-00-909-0899 is a Washer,flat, manufactured by Eaton Aerospace, Llc Dba Jackson South, classified under FSC 5310 (No Item Name Available). Status: active.
NSN 5310-00-909-0899 has 3 cross-referenced part numbers: 5506-4 (General Signal Corp), 5506-4 (Eaton Aerospace, Llc Dba Jackson South), 5506-4 (Eaton Aerospace, Llc Dba Jackson South).
There are 6 known substitutes for 5310-00-909-0899: 4820-00-009-7236, 5330-00-129-2954, 5975-00-486-6004 and 3 more. Verify interchangeability with system specifications before substitution.
Key specifications for 5506-4: Material Document and Classification: AISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Material: STEEL COMP 1075 OVERALL; Peripheral Shape Style: ROUND; Center Hole Shape Style: ROUND. 9 total characteristics are documented in the Federal Logistics Information System.