PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

26950Pump,reciprocating

Hydro-Aire Aerospace Corp · NSN 4320-00-529-3969 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-00-529-3969 — this item is cataloged by the U.S. Government under National Stock Number 4320-00-529-3969. Primary manufacturer part number: 26950.
Features
  • Pump,reciprocating — FSC 4320
  • Media for Which Designed: HYDROCARBON FUELS AND OILS
  • Intake Connection Thread Size and Series/type Designator: 0.750-16 UNF
  • Discharge Pressure: 500.0 COMPREHENSIVE PROCUREMENT GUIDELINE - CONSTRUCTION PRODUCTS - CEMENT AND CONCRETE CONTAINING CENOSPHERES
  • Cylinder Quantity: 1
  • Reciprocating Stroke Type: FIXED
  • Pumping Element Operating Position: HORIZONTAL
  • Intake Connection Type: THREADED INTERNAL
Applications
  • Fluid transfer and circulation
  • Cooling system maintenance
  • Industrial process pumping
General Description

The Pump,reciprocating, cataloged under National Stock Number 4320-00-529-3969, is classified within Federal Supply Class 4320 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Hydro-Aire Aerospace Corp. Government technical data includes 14 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. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4320-00-529-3969
Primary Part Number26950
Item NamePump,reciprocating
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerHydro-Aire Aerospace Corp
StatusACTIVE
Media for Which DesignedHYDROCARBON FUELS AND OILS
Intake Connection Thread Size and Series/type Designator0.750-16 UNF
Discharge Pressure500.0 COMPREHENSIVE PROCUREMENT GUIDELINE - CONSTRUCTION PRODUCTS - CEMENT AND CONCRETE CONTAINING CENOSPHERES
Cylinder Quantity1
Reciprocating Stroke TypeFIXED
Pumping Element Operating PositionHORIZONTAL
Intake Connection TypeTHREADED INTERNAL
Intake Connection Quantity1
Pump Reciprocating DesignDOUBLE ACTING
Discharge Connection TypeTHREADED INTERNAL
Pumping Element TypePISTON
Discharge Connection Quantity1
Operation MethodMANUAL
Discharge Connection Thread Size and Series/type Designator0.438-20 UNF
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5315-00-807-809117241 INTERCHANGEABLE
Pin,straight,headed
Gencorp Automotive Engineered Elastomers Div
5110-01-180-894526950 INTERCHANGEABLE
Reamer Set,hand
Chadwick & Trefethen, Inc.
4330-01-182-37617-317226611 INTERCHANGEABLE
Filter Element,fluid
The Boeing Company
5310-01-342-551826950 INTERCHANGEABLE
Washer,flat
Bourns Inc
6150-01-594-238526950 INTERCHANGEABLE
Cable Assembly,special Purpose,e
Cables to Go
Cross-Reference Index
Part NumberManufacturer
89SP1102 Northrop Grumman Systems Corporation (USA)
26950 PRIMARY Hydro-Aire Aerospace Corp (USA)
Related Parts
5315-00-807-8091INTERCHANGEABLE
PIN,STRAIGHT,HEADED
17241
5110-01-180-8945INTERCHANGEABLE
REAMER SET,HAND
26950
4330-01-182-3761INTERCHANGEABLE
FILTER ELEMENT,FLUID
7-317226611
5310-01-342-5518INTERCHANGEABLE
WASHER,FLAT
26950
6150-01-594-2385INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
26950

Frequently Asked Questions

What is NSN 4320-00-529-3969?

NSN 4320-00-529-3969 is a Pump,reciprocating, manufactured by Hydro-Aire Aerospace Corp, classified under FSC 4320 (No Item Name Available). Status: active.

What are the part numbers for NSN 4320-00-529-3969?

NSN 4320-00-529-3969 has 2 cross-referenced part numbers: 89SP1102 (Northrop Grumman Systems Corporation), 26950 (Hydro-Aire Aerospace Corp).

What NSN replaces 4320-00-529-3969?

There are 5 known substitutes for 4320-00-529-3969: 5315-00-807-8091, 5110-01-180-8945, 4330-01-182-3761 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 26950?

Key specifications for 26950: Media for Which Designed: HYDROCARBON FUELS AND OILS; Intake Connection Thread Size and Series/type Designator: 0.750-16 UNF; Discharge Pressure: 500.0 COMPREHENSIVE PROCUREMENT GUIDELINE - CONSTRUCTION PRODUCTS - CEMENT AND CONCRETE CONTAINING CENOSPHERES; Cylinder Quantity: 1. 14 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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