The Diaphragm,seal Pump, cataloged under National Stock Number 4320-01-042-9733, is classified within Federal Supply Class 4320 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Ontic Engineering & Manufacturing, Inc Dba Ontic Us. This item has 3 commercial cross-references from 3 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 | 4320-01-042-9733 |
| Primary Part Number | 101-521 |
| Item Name | Diaphragm,seal Pump |
| FSC / FSG | 4320 / 43 — No Item Name Available |
| Manufacturer | Ontic Engineering & Manufacturing, Inc Dba Ontic Us |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 4320-01-042-9733 is a Diaphragm,seal Pump, manufactured by Ontic Engineering & Manufacturing, Inc Dba Ontic Us, classified under FSC 4320 (No Item Name Available). Status: active.
NSN 4320-01-042-9733 has 3 cross-referenced part numbers: 101-521 (Ontic Engineering & Manufacturing, Inc Dba Ontic Us), 101-521 (Donallco Inc), 101-521 (Hamilton Sundstrand Corporation).
There are 4 known substitutes for 4320-01-042-9733: 6320-00-312-7348, 3020-00-431-9256, 5935-00-438-9561 and 1 more. Verify interchangeability with system specifications before substitution.
Key specifications for 101-521: End Item Identification: 4320-00-702-0269YQ PUMP. 1 total characteristics are documented in the Federal Logistics Information System.