PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

T-1011Pump,reciprocating

General Pump Inc · NSN 4320-01-383-5384 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-01-383-5384 — this item is cataloged by the U.S. Government under National Stock Number 4320-01-383-5384. Primary manufacturer part number: T-1011.
Features
  • Pump,reciprocating — FSC 4320
  • Discharge Connection Type: THREADED INTERNAL
  • Intake Connection Thread Size and Series/type Designator: 0.500-14 NPT
  • Drive Shaft Length: 1.200 INCHES NOMINAL IN
  • Reciprocating Stroke Type: FIXED
  • Pumping Element Type: PISTON
  • Drive Shaft Type: MACHINE KEYWAY
  • Cylinder Quantity: 3
Applications
  • Fluid transfer and circulation
  • Cooling system maintenance
  • Industrial process pumping
General Description

The Pump,reciprocating, cataloged under National Stock Number 4320-01-383-5384, is classified within Federal Supply Class 4320 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is General Pump Inc. Government technical data includes 25 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4320-01-383-5384
Primary Part NumberT-1011
Item NamePump,reciprocating
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerGeneral Pump Inc
StatusACTIVE
Discharge Connection TypeTHREADED INTERNAL
Intake Connection Thread Size and Series/type Designator0.500-14 NPT
Drive Shaft Length1.200 INCHES NOMINAL IN
Reciprocating Stroke TypeFIXED
Pumping Element TypePISTON
Drive Shaft TypeMACHINE KEYWAY
Cylinder Quantity3
Unpackaged Unit Length11.400 INCHES NOMINAL IN
Discharge Pressure000.0 COMPREHENSIVE PROCUREMENT GUIDELINE - CONSTRUCTION PRODUCTS - CEMENT AND CONCRETE CONTAINING SILICA FUME
Discharge Connection Quantity1
Supplementary FeaturesAKA TRIPLEX PLUNGER PUMP
Intake Connection TypeTHREADED INTERNAL
Unpackaged Unit Width9.900 INCHES NOMINAL IN
Unpackaged Unit Height6.900 INCHES NOMINAL IN
Discharge Connection Thread Size and Series/type Designator0.375-18 NPT
Drive Shaft End Diameter0.945 INCHES NOMINAL IN
Operating Speed at Rated Capacity1125.0 REVOLUTIONS PER MINUTE
Maximum Discharge Flow Rate4.5 GALLONS PER MINUTE
Pumping Element Operating PositionHORIZONTAL
Pump Reciprocating DesignDOUBLE ACTING
Drive Connection TypeRIGID COUPLED
Operation MethodPOWERED
Media for Which DesignedWATER, FRESH
Intake Connection Quantity1
Mounting TypeBASE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5950-00-087-3552EP4176A INTERCHANGEABLE
Reactor
P C a Electronics Inc
5120-00-479-6124T101-1 INTERCHANGEABLE
Wrench,spanner
Electro-Mech Components, Inc. Dba Electro-Mech Components Inc
3110-01-013-9705T-101-1 INTERCHANGEABLE
Bearing,ball,thrust
Auburn Bearing and Manufacturing Inc Div Auburn Bearing & Manufacturing
4820-01-198-1031T1011 INTERCHANGEABLE
Lever,governor Valv
Camar Corp.
Cross-Reference Index
Part NumberManufacturer
T-1011 PRIMARY General Pump Inc (USA)
Related Parts
5950-00-087-3552INTERCHANGEABLE
REACTOR
EP4176A
5120-00-479-6124INTERCHANGEABLE
WRENCH,SPANNER
T101-1
3110-01-013-9705INTERCHANGEABLE
BEARING,BALL,THRUST
T-101-1
4820-01-198-1031INTERCHANGEABLE
LEVER,GOVERNOR VALV
T1011

Frequently Asked Questions

What is NSN 4320-01-383-5384?

NSN 4320-01-383-5384 is a Pump,reciprocating, manufactured by General Pump Inc, classified under FSC 4320 (No Item Name Available). Status: active.

What are the part numbers for NSN 4320-01-383-5384?

NSN 4320-01-383-5384 has 1 cross-referenced part number: T-1011 (General Pump Inc).

What NSN replaces 4320-01-383-5384?

There are 4 known substitutes for 4320-01-383-5384: 5950-00-087-3552, 5120-00-479-6124, 3110-01-013-9705 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of T-1011?

Key specifications for T-1011: Discharge Connection Type: THREADED INTERNAL; Intake Connection Thread Size and Series/type Designator: 0.500-14 NPT; Drive Shaft Length: 1.200 INCHES NOMINAL IN; Reciprocating Stroke Type: FIXED. 27 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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