The Washer,special, cataloged under National Stock Number 5310-00-045-7521, 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. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Item Name | Washer,special |
| FSC / FSG | 5310 — No Item Name Available (FSG 53) |
| Manufacturers | Unison Industries Llc (CAGE 59501); Mason Electric Co. Dba Mason Controls (CAGE 81579); Amphenol Corp Div Amphenol Aerospace Operations (CAGE 77820) |
| Parameter | Value |
|---|---|
| NSN | 5310-00-045-7521 |
| Primary Part Number | 21685 |
| Item Name | Washer,special |
| FSC / FSG | 5310 / 53 — No Item Name Available |
| Manufacturer | Mason Electric Co. Dba Mason Controls |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 5310-00-045-7521 is a Washer,special, manufactured by Mason Electric Co. Dba Mason Controls, classified under FSC 5310 (No Item Name Available). Status: active.
NSN 5310-00-045-7521 has 3 cross-referenced part numbers: 21685 (Unison Industries Llc), 21685 (Mason Electric Co. Dba Mason Controls), 21685 (Amphenol Corp Div Amphenol Aerospace Operations).
There are 7 known substitutes for 5310-00-045-7521: 5330-00-115-3846, 4320-00-937-1153, 5342-01-144-6077 and 4 more. Verify interchangeability with system specifications before substitution.