The Washer,flat, cataloged under National Stock Number 5310-00-026-8506, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Textron Lycoming Inc Williamsport Plant. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 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 | 5310-00-026-8506 |
| Primary Part Number | 66728 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — No Item Name Available |
| Manufacturer | Textron Lycoming Inc Williamsport Plant |
| Status | CANCELLED |
| Material | STEEL COMP 1010 OVERALL |
| Material Document and Classification | AMS 5044 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Thickness | 0.028 INCHES MINIMUM AND 0.034 INCHES MAXIMUM IN |
| Overall Diameter | 1.240 INCHES MINIMUM AND 1.260 INCHES MAXIMUM IN |
| Peripheral Shape Style | ROUND |
| Center Hole Shape Style | ROUND |
| Cross-Sectional Shape Style | RECTANGULAR |
| Hole Diameter | 0.770 INCHES MINIMUM AND 0.790 INCHES MAXIMUM IN |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
NSN 5310-00-026-8506 is a Washer,flat, manufactured by Textron Lycoming Inc Williamsport Plant, classified under FSC 5310 (No Item Name Available). Status: cancelled.
NSN 5310-00-026-8506 has 2 cross-referenced part numbers: 66728 (Textron Lycoming Inc Williamsport Plant), 66728 (Satair A/s).
There are 6 known substitutes for 5310-00-026-8506: 4030-00-133-6376, 5310-00-182-6227, 3040-00-405-0003 and 3 more. Verify interchangeability with system specifications before substitution.
Key specifications for 66728: Material: STEEL COMP 1010 OVERALL; Material Document and Classification: AMS 5044 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Thickness: 0.028 INCHES MINIMUM AND 0.034 INCHES MAXIMUM IN; Overall Diameter: 1.240 INCHES MINIMUM AND 1.260 INCHES MAXIMUM IN. 8 total characteristics are documented in the Federal Logistics Information System.
NSN 5310-00-026-8506 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.