The Washer,flat, cataloged under National Stock Number 5310-00-166-5623, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Kidde Technologies, Inc Div Kidde Aerospace and Defense. Government technical data includes 7 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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-166-5623 |
| Primary Part Number | 21965 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — No Item Name Available |
| Manufacturer | Kidde Technologies, Inc Div Kidde Aerospace and Defense |
| Status | ACTIVE |
| Material | CELLULOSE OVERALL |
| Thickness | 0.020 INCHES NOMINAL IN |
| Hole Diameter | 0.314 INCHES MINIMUM AND 0.318 INCHES MAXIMUM IN |
| Cross-Sectional Shape Style | RECTANGULAR |
| Peripheral Shape Style | ROUND |
| Center Hole Shape Style | ROUND |
| Overall Diameter | 0.750 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 5310-00-166-5623 is a Washer,flat, manufactured by Kidde Technologies, Inc Div Kidde Aerospace and Defense, classified under FSC 5310 (No Item Name Available). Status: active.
NSN 5310-00-166-5623 has 2 cross-referenced part numbers: 21965 (Kidde-Fenwal, Llc), 21965 (Kidde Technologies, Inc Div Kidde Aerospace and Defense).
There are 4 known substitutes for 5310-00-166-5623: 5950-00-083-6606, 4720-00-374-9247, 4820-01-291-4636 and 1 more. Verify interchangeability with system specifications before substitution.
Key specifications for 21965: Material: CELLULOSE OVERALL; Thickness: 0.020 INCHES NOMINAL IN; Hole Diameter: 0.314 INCHES MINIMUM AND 0.318 INCHES MAXIMUM IN; Cross-Sectional Shape Style: RECTANGULAR. 7 total characteristics are documented in the Federal Logistics Information System.