PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

6303485Pump Unit,reciprocating

Naval Sea Systems Command · NSN 4320-01-373-2742 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-01-373-2742 — this item is cataloged by the U.S. Government under National Stock Number 4320-01-373-2742. Primary manufacturer part number: 6303485.
Features
  • Pump Unit,reciprocating — FSC 4320
  • Discharge Connection Thread Size and Series/type Designator: 0.250-18 NPT
  • Intake Connection Thread Size and Series/type Designator: 0.250-18 NPT
  • Unpackaged Unit Length: 9.620 INCHES NOMINAL IN
  • Discharge Pressure: 600.0 COMPREHENSIVE PROCUREMENT GUIDELINE - CONSTRUCTION PRODUCTS - CEMENT AND CONCRETE CONTAINING SILICA FUME
  • Unpackaged Unit Width: 6.250 INCHES NOMINAL IN
  • Material: STEEL PUMP BASIC
  • Operating Pressure: 70.0 POUNDS PER SQUARE INCH GAUGE (PSIG) NOMINAL POWER DRIVE LBS
Applications
  • Fluid transfer and circulation
  • Cooling system maintenance
  • Industrial process pumping
  • Applications requiring Steel Pump Basic construction
General Description

The Pump Unit,reciprocating, cataloged under National Stock Number 4320-01-373-2742, is classified within Federal Supply Class 4320 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Naval Sea Systems Command. Government technical data includes 21 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 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
NSN4320-01-373-2742
Primary Part Number6303485
Item NamePump Unit,reciprocating
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerNaval Sea Systems Command
StatusACTIVE
Discharge Connection Thread Size and Series/type Designator0.250-18 NPT
Intake Connection Thread Size and Series/type Designator0.250-18 NPT
Unpackaged Unit Length9.620 INCHES NOMINAL IN
Discharge Pressure600.0 COMPREHENSIVE PROCUREMENT GUIDELINE - CONSTRUCTION PRODUCTS - CEMENT AND CONCRETE CONTAINING SILICA FUME
Unpackaged Unit Width6.250 INCHES NOMINAL IN
MaterialSTEEL PUMP BASIC
Operating Pressure70.0 POUNDS PER SQUARE INCH GAUGE (PSIG) NOMINAL POWER DRIVE LBS
Supplementary FeaturesPUMP AND PISTON CARBON STEEL
Reciprocating Stroke TypeFIXED
Prime Mover TypePNEUMATIC MOTOR
Cylinder Quantity1
Prime Mover Quantity1
Intake Connection TypeTHREADED INTERNAL
Unpackaged Unit Height14.000 INCHES NOMINAL IN
Discharge Connection TypeTHREADED INTERNAL
Pumping Element TypePISTON
Intake Connection Quantity1
Pump Quantity1
Discharge Connection Quantity1
Media for Which DesignedHYDROCARBON FUELS AND OILS
Pump Reciprocating DesignSINGLE ACTING
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
3040-00-030-0429SC-B-70161 INTERCHANGEABLE
Lever,manual Control
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5325-00-286-0689 INTERCHANGEABLE
Grommet,nonmetallic
5120-00-293-0791 INTERCHANGEABLE
Punch,drive Pin
5325-00-922-567152582 INTERCHANGEABLE
Grommet,nonmetallic
Stewart & Stevenson Power Products Llc
1005-01-585-68225258-2 INTERCHANGEABLE
Chute Section,ammunition
Nobles Worldwide, Inc.
Cross-Reference Index
Part NumberManufacturer
6303485 Naval Sea Systems Command (USA)
52582 Haskel International, Llc Dba Haskel International, Llc (USA)
6303485-001 Naval Sea Systems Command (USA)
Related Parts
3040-00-030-0429INTERCHANGEABLE
LEVER,MANUAL CONTROL
SC-B-70161
5325-00-286-0689INTERCHANGEABLE
GROMMET,NONMETALLIC
5120-00-293-0791INTERCHANGEABLE
PUNCH,DRIVE PIN
5325-00-922-5671INTERCHANGEABLE
GROMMET,NONMETALLIC
52582
1005-01-585-6822INTERCHANGEABLE
CHUTE SECTION,AMMUNITION
5258-2

Frequently Asked Questions

What is NSN 4320-01-373-2742?

NSN 4320-01-373-2742 is a Pump Unit,reciprocating, manufactured by Naval Sea Systems Command, classified under FSC 4320 (No Item Name Available). Status: active.

What are the part numbers for NSN 4320-01-373-2742?

NSN 4320-01-373-2742 has 3 cross-referenced part numbers: 6303485 (Naval Sea Systems Command), 52582 (Haskel International, Llc Dba Haskel International, Llc), 6303485-001 (Naval Sea Systems Command).

What NSN replaces 4320-01-373-2742?

There are 5 known substitutes for 4320-01-373-2742: 3040-00-030-0429, 5325-00-286-0689, 5120-00-293-0791 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 6303485?

Key specifications for 6303485: Discharge Connection Thread Size and Series/type Designator: 0.250-18 NPT; Intake Connection Thread Size and Series/type Designator: 0.250-18 NPT; Unpackaged Unit Length: 9.620 INCHES NOMINAL IN; Discharge Pressure: 600.0 COMPREHENSIVE PROCUREMENT GUIDELINE - CONSTRUCTION PRODUCTS - CEMENT AND CONCRETE CONTAINING SILICA FUME. 23 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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