PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

181-7Block,universal Pum

Ontic Engineering & Manufacturing, Inc Dba Ontic Us · NSN 1650-00-166-6242 · FSC 1650 · No Item Name Available
Verified by PartsTable
NSN 1650-00-166-6242 — this item is cataloged by the U.S. Government under National Stock Number 1650-00-166-6242. Primary manufacturer part number: 181-7.
Features
  • Block,universal Pum — FSC 1650
  • 2 verified cross-references
  • Primary manufacturer: Ontic Engineering & Manufacturing, Inc Dba Ontic Us
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Block,universal Pum, cataloged under National Stock Number 1650-00-166-6242, 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. This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameBlock,universal Pum
FSC / FSG1650 — No Item Name Available (FSG 16)
ManufacturersOntic Engineering & Manufacturing, Inc Dba Ontic Us (CAGE 45934); Donallco Inc (CAGE 56705)
Technical Specifications
ParameterValue
NSN1650-00-166-6242
Primary Part Number181-7
Item NameBlock,universal Pum
FSC / FSG1650 / 16 — No Item Name Available
ManufacturerOntic Engineering & Manufacturing, Inc Dba Ontic Us
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4820-00-036-1745005-101-0010 INTERCHANGEABLE
Disk,valve
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
5120-00-189-7928 INTERCHANGEABLE
Socket,socket Wrench
6505-00-299-94951817 INTERCHANGEABLE
Niacin Tablets
Natures Bounty Inc
3020-00-517-32931817 INTERCHANGEABLE
Gear,helical
Struthers Wells Corp
4730-00-625-423751224 INTERCHANGEABLE
Support,special Pad
Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution
4820-00-630-38121817 INTERCHANGEABLE
Body,valve
Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division
5910-00-644-374310322134A INTERCHANGEABLE
Capacitor,fixed,electrolytic
Us Army Aviation and Missile Command
5950-00-648-1033SGM9 INTERCHANGEABLE
Transformer,radio Frequency
Bogen Communications Inc
6685-00-814-5695130415 INTERCHANGEABLE
Gage,pressure,dial Indicating
Ametek, Inc. Div Aerospace & Defense
4460-00-991-20971817 INTERCHANGEABLE
Filter,air,electrostatic
Supreme Supply Co Inc Dba Supreme Supply Co Inc
Cross-Reference Index
Part NumberManufacturer
181-7 PRIMARY Ontic Engineering & Manufacturing, Inc Dba Ontic Us (USA)
181-7 Donallco Inc (USA)
Related Parts
4820-00-036-1745INTERCHANGEABLE
DISK,VALVE
005-101-0010
5120-00-189-7928INTERCHANGEABLE
SOCKET,SOCKET WRENCH
6505-00-299-9495INTERCHANGEABLE
NIACIN TABLETS
1817
3020-00-517-3293INTERCHANGEABLE
GEAR,HELICAL
1817
4730-00-625-4237INTERCHANGEABLE
SUPPORT,SPECIAL PAD
51224
4820-00-630-3812INTERCHANGEABLE
BODY,VALVE
1817
5910-00-644-3743INTERCHANGEABLE
CAPACITOR,FIXED,ELECTROLYTIC
10322134A
5950-00-648-1033INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY
SGM9
6685-00-814-5695INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
130415
4460-00-991-2097INTERCHANGEABLE
FILTER,AIR,ELECTROSTATIC
1817
4310-01-178-5715INTERCHANGEABLE
VACUUM PUMP UNIT,ROTARY
6130-01-301-6129INTERCHANGEABLE
POWER SUPPLY
163901034

Frequently Asked Questions

What is NSN 1650-00-166-6242?

NSN 1650-00-166-6242 is a Block,universal Pum, 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 1650-00-166-6242?

NSN 1650-00-166-6242 has 2 cross-referenced part numbers: 181-7 (Ontic Engineering & Manufacturing, Inc Dba Ontic Us), 181-7 (Donallco Inc).

What NSN replaces 1650-00-166-6242?

There are 12 known substitutes for 1650-00-166-6242: 4820-00-036-1745, 5120-00-189-7928, 6505-00-299-9495 and 9 more. Verify interchangeability with system specifications before substitution.

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