PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2257Plate,pump

Eaton Aerospace, Llc Dba Jackson South · NSN 4320-00-731-6450 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-00-731-6450 — this item is cataloged by the U.S. Government under National Stock Number 4320-00-731-6450. Primary manufacturer part number: 2257.
Features
  • Plate,pump — FSC 4320
  • 3 verified cross-references
  • Primary manufacturer: Eaton Aerospace, Llc Dba Jackson South
Applications
  • Fluid transfer and circulation
  • Cooling system maintenance
  • Industrial process pumping
General Description

The Plate,pump, cataloged under National Stock Number 4320-00-731-6450, is classified within Federal Supply Class 4320 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Eaton Aerospace, Llc Dba Jackson South. This item has 3 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 NamePlate,pump
FSC / FSG4320 — No Item Name Available (FSG 43)
ManufacturersGeneral Signal Corp (CAGE 43491); Eaton Aerospace, Llc Dba Jackson South (CAGE 90166); Eaton Aerospace, Llc Dba Jackson South (CAGE 62983)
Technical Specifications
ParameterValue
NSN4320-00-731-6450
Primary Part Number2257
Item NamePlate,pump
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerEaton Aerospace, Llc Dba Jackson South
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5950-00-134-58642257 INTERCHANGEABLE
Coil,electrical
Honeywell International Inc. Dba Honeywell Div Aerospace -Olathe Hums Div
4730-00-239-10502257 INTERCHANGEABLE
Connector,tubing,branched
Dynalab Corp Dba Dynalon Products
5996-00-323-0602608DM3109 INTERCHANGEABLE
Amplifier Subassembly
Keysight Technologies Inc
4820-00-403-1471 INTERCHANGEABLE
Slide,directional Control Linear
6515-01-016-0543M2259 INTERCHANGEABLE
Electrode,electrocardiograph
Cardinal Health 200, Llc
5310-01-021-42172257 INTERCHANGEABLE
Nut,sleeve
Gougler Industries Inc Kent Air Tool Co Div
5975-01-024-84862257 INTERCHANGEABLE
Box Connector,electrical
Abb Installation Products Inc
5331-01-028-0818AS568-257 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
5905-01-074-1382 INTERCHANGEABLE
Resistor,variable,nonwire Wound,
6515-01-468-00112257 INTERCHANGEABLE
Sample Detector
Medica Corp Dba Medica Corp
Cross-Reference Index
Part NumberManufacturer
2257 General Signal Corp (USA)
2257 Eaton Aerospace, Llc Dba Jackson South (USA)
2257 PRIMARY Eaton Aerospace, Llc Dba Jackson South (USA)
Related Parts
5950-00-134-5864INTERCHANGEABLE
COIL,ELECTRICAL
2257
4730-00-239-1050INTERCHANGEABLE
CONNECTOR,TUBING,BRANCHED
2257
5996-00-323-0602INTERCHANGEABLE
AMPLIFIER SUBASSEMBLY
608DM3109
4820-00-403-1471INTERCHANGEABLE
SLIDE,DIRECTIONAL CONTROL LINEAR
6515-01-016-0543INTERCHANGEABLE
ELECTRODE,ELECTROCARDIOGRAPH
M2259
5310-01-021-4217INTERCHANGEABLE
NUT,SLEEVE
2257
5975-01-024-8486INTERCHANGEABLE
BOX CONNECTOR,ELECTRICAL
2257
5331-01-028-0818INTERCHANGEABLE
O-RING
AS568-257
5905-01-074-1382INTERCHANGEABLE
RESISTOR,VARIABLE,NONWIRE WOUND,
6515-01-468-0011INTERCHANGEABLE
SAMPLE DETECTOR
2257
4130-01-486-2924INTERCHANGEABLE
CONDENSER,REFRIGERATION
3371
5331-01-528-7775INTERCHANGEABLE
O-RING
10683-527

Frequently Asked Questions

What is NSN 4320-00-731-6450?

NSN 4320-00-731-6450 is a Plate,pump, manufactured by Eaton Aerospace, Llc Dba Jackson South, classified under FSC 4320 (No Item Name Available). Status: active.

What are the part numbers for NSN 4320-00-731-6450?

NSN 4320-00-731-6450 has 3 cross-referenced part numbers: 2257 (General Signal Corp), 2257 (Eaton Aerospace, Llc Dba Jackson South), 2257 (Eaton Aerospace, Llc Dba Jackson South).

What NSN replaces 4320-00-731-6450?

There are 12 known substitutes for 4320-00-731-6450: 5950-00-134-5864, 4730-00-239-1050, 5996-00-323-0602 and 9 more. Verify interchangeability with system specifications before substitution.

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