PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3527Pump,reciprocating

Bourns Inc · NSN 4320-01-261-0695 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-01-261-0695 — this item is cataloged by the U.S. Government under National Stock Number 4320-01-261-0695. Primary manufacturer part number: 3527.
Features
  • Pump,reciprocating — FSC 4320
  • Drive Shaft Length: 23.860 INCHES NOMINAL IN
  • Discharge Connection Quantity: 2
  • Operating Speed at Rated Capacity: 800.0 REVOLUTIONS PER MINUTE
  • Cylinder Quantity: 1
  • Pumping Element Operating Position: HORIZONTAL
  • Discharge Connection Type: THREADED EXTERNAL
  • Discharge Pressure: 000.0 COMPREHENSIVE PROCUREMENT GUIDELINE - CONSTRUCTION PRODUCTS - CEMENT AND CONCRETE CONTAINING SILICA FUME
Applications
  • Fluid transfer and circulation
  • Cooling system maintenance
  • Industrial process pumping
General Description

The Pump,reciprocating, cataloged under National Stock Number 4320-01-261-0695, is classified within Federal Supply Class 4320 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Bourns Inc. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4320-01-261-0695
Primary Part Number3527
Item NamePump,reciprocating
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerBourns Inc
StatusACTIVE
Drive Shaft Length23.860 INCHES NOMINAL IN
Discharge Connection Quantity2
Operating Speed at Rated Capacity800.0 REVOLUTIONS PER MINUTE
Cylinder Quantity1
Pumping Element Operating PositionHORIZONTAL
Discharge Connection TypeTHREADED EXTERNAL
Discharge Pressure000.0 COMPREHENSIVE PROCUREMENT GUIDELINE - CONSTRUCTION PRODUCTS - CEMENT AND CONCRETE CONTAINING SILICA FUME
Maximum Discharge Flow Rate23.0 GALLONS PER MINUTE
Intake Connection Quantity2
Reciprocating Stroke TypeFIXED
Intake Connection TypeTHREADED EXTERNAL
Pump Reciprocating DesignSINGLE ACTING
Drive Shaft End Diameter1.378 INCHES NOMINAL IN
Pumping Element TypePISTON
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
3110-00-100-5504105-5PC25 INTERCHANGEABLE
Bearing,roller,tapered
Struthers Wells Corp
5365-00-187-153212747 INTERCHANGEABLE
Spacer,ring
Dressta North America Ltd
5330-00-190-42315113AK INTERCHANGEABLE
Gasket
Dana Automotive Systems Group, Llc Dba Dana Sealing Products
5315-00-281-732912747 INTERCHANGEABLE
Key,machine
Itw Food Equipment Group Llc Dba Hobart Service
2805-00-374-949101021 INTERCHANGEABLE
Guide,e,haust Valve
Safeguard Powertech Systems
5905-00-433-5814 INTERCHANGEABLE
Resistor,variable,wire Wound,non
5120-00-595-9532 INTERCHANGEABLE
Pliers,retaining Ring
5815-00-603-7225 INTERCHANGEABLE
Link Assembly Brake
5935-00-643-64711245501 INTERCHANGEABLE
Connector,plug,electrical
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
4810-01-167-950212747 INTERCHANGEABLE
Retainer,disk,valve
Eaton Aerospace Llc Dba Eaton Aerospace Jackson
Cross-Reference Index
Part NumberManufacturer
3527 PRIMARY Bourns Inc (USA)
W00309 Pall Gmbh (DEU)
W00309 Pall Wassertechnik Gmbh (DEU)
3527 Cat Pumps Deutschland Gmbh (DEU)
12747 Rochem Water Treatment Gmbh (DEU)
3527 Cat Pumps Corp (USA)
3527/57783 Slce Watermakers (FRA)
0309 Pall Wassertechnik Gmbh (DEU)
Related Parts
3110-00-100-5504INTERCHANGEABLE
BEARING,ROLLER,TAPERED
105-5PC25
5365-00-187-1532INTERCHANGEABLE
SPACER,RING
12747
5330-00-190-4231INTERCHANGEABLE
GASKET
5113AK
5315-00-281-7329INTERCHANGEABLE
KEY,MACHINE
12747
2805-00-374-9491INTERCHANGEABLE
GUIDE,E,HAUST VALVE
01021
5905-00-433-5814INTERCHANGEABLE
RESISTOR,VARIABLE,WIRE WOUND,NON
5120-00-595-9532INTERCHANGEABLE
PLIERS,RETAINING RING
5815-00-603-7225INTERCHANGEABLE
LINK ASSEMBLY BRAKE
5935-00-643-6471INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
1245501
4810-01-167-9502INTERCHANGEABLE
RETAINER,DISK,VALVE
12747
3120-01-246-2644INTERCHANGEABLE
BUSHING,SLEEVE
5305-01-277-0994INTERCHANGEABLE
SCREW,MACHINE
3527

Frequently Asked Questions

What is NSN 4320-01-261-0695?

NSN 4320-01-261-0695 is a Pump,reciprocating, manufactured by Bourns Inc, classified under FSC 4320 (No Item Name Available). Status: active.

What are the part numbers for NSN 4320-01-261-0695?

NSN 4320-01-261-0695 has 8 cross-referenced part numbers: 3527 (Bourns Inc), W00309 (Pall Gmbh), W00309 (Pall Wassertechnik Gmbh), 3527 (Cat Pumps Deutschland Gmbh), 12747 (Rochem Water Treatment Gmbh) and 3 more.

What NSN replaces 4320-01-261-0695?

There are 12 known substitutes for 4320-01-261-0695: 3110-00-100-5504, 5365-00-187-1532, 5330-00-190-4231 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 3527?

Key specifications for 3527: Drive Shaft Length: 23.860 INCHES NOMINAL IN; Discharge Connection Quantity: 2; Operating Speed at Rated Capacity: 800.0 REVOLUTIONS PER MINUTE; 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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