The Washer,key-Spec, cataloged under National Stock Number 5310-00-953-5045, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Mason Electric Co. Dba Mason Controls. This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Item Name | Washer,key-Spec |
| FSC / FSG | 5310 — No Item Name Available (FSG 53) |
| Manufacturers | Amphenol Corp Div Amphenol Aerospace Operations (CAGE 77820); Mason Electric Co. Dba Mason Controls (CAGE 81579); Unison Industries Llc (CAGE 59501) |
| Parameter | Value |
|---|---|
| NSN | 5310-00-953-5045 |
| Primary Part Number | 21153 |
| Item Name | Washer,key-Spec |
| FSC / FSG | 5310 / 53 — No Item Name Available |
| Manufacturer | Mason Electric Co. Dba Mason Controls |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 5310-00-953-5045 is a Washer,key-Spec, manufactured by Mason Electric Co. Dba Mason Controls, classified under FSC 5310 (No Item Name Available). Status: active.
NSN 5310-00-953-5045 has 3 cross-referenced part numbers: 21153 (Amphenol Corp Div Amphenol Aerospace Operations), 21153 (Mason Electric Co. Dba Mason Controls), 21153 (Unison Industries Llc).
There are 9 known substitutes for 5310-00-953-5045: 6610-00-070-0012, 5962-00-172-5586, 5330-00-178-3100 and 6 more. Verify interchangeability with system specifications before substitution.