PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

01-961Housing,hydraulic Pump

Ontic Engineering & Manufacturing, Inc Dba Ontic Us · NSN 1650-00-373-8733 · FSC 1650 · No Item Name Available
Verified by PartsTable
NSN 1650-00-373-8733 — this item is cataloged by the U.S. Government under National Stock Number 1650-00-373-8733. Primary manufacturer part number: 01-961.
Features
  • Housing,hydraulic Pump — FSC 1650
  • General Characteristics Item Description: ALUMINUM ALLOY,1.312 IN. LG IN
  • FSC Application Data: AIRCRAFT HYDRAULIC SYSTEM
  • 2 verified cross-references
  • Primary manufacturer: Ontic Engineering & Manufacturing, Inc Dba Ontic Us
Applications
  • Fluid transfer and circulation
  • Cooling system maintenance
  • Industrial process pumping
General Description

The Housing,hydraulic Pump, cataloged under National Stock Number 1650-00-373-8733, is classified within Federal Supply Class 1650 (No Item Name Available) of the Aircraft Components and Accessories group. The primary manufacturer of record is Ontic Engineering & Manufacturing, Inc Dba Ontic Us. Government technical data includes 2 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN1650-00-373-8733
Primary Part Number01-961
Item NameHousing,hydraulic Pump
FSC / FSG1650 / 16 — No Item Name Available
ManufacturerOntic Engineering & Manufacturing, Inc Dba Ontic Us
StatusACTIVE
General Characteristics Item DescriptionALUMINUM ALLOY,1.312 IN. LG IN
FSC Application DataAIRCRAFT HYDRAULIC SYSTEM
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5340-00-680-376127544 INTERCHANGEABLE
Bumper
Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems
Cross-Reference Index
Part NumberManufacturer
01-961 Donallco Inc (USA)
01-961 PRIMARY Ontic Engineering & Manufacturing, Inc Dba Ontic Us (USA)
Related Parts
5340-00-680-3761INTERCHANGEABLE
BUMPER
27544

Frequently Asked Questions

What is NSN 1650-00-373-8733?

NSN 1650-00-373-8733 is a Housing,hydraulic Pump, manufactured by Ontic Engineering & Manufacturing, Inc Dba Ontic Us, classified under FSC 1650 (No Item Name Available). Status: active.

What are the part numbers for NSN 1650-00-373-8733?

NSN 1650-00-373-8733 has 2 cross-referenced part numbers: 01-961 (Donallco Inc), 01-961 (Ontic Engineering & Manufacturing, Inc Dba Ontic Us).

What NSN replaces 1650-00-373-8733?

There is 1 known substitute for 1650-00-373-8733: 5340-00-680-3761. Verify interchangeability with system specifications before substitution.

What are the specifications of 01-961?

Key specifications for 01-961: General Characteristics Item Description: ALUMINUM ALLOY,1.312 IN. LG IN; FSC Application Data: AIRCRAFT HYDRAULIC SYSTEM. 2 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com