PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

55434Sleeve,shaft,pump

Dresser Industries Inc · NSN 4320-00-737-0342 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-00-737-0342 — this item is cataloged by the U.S. Government under National Stock Number 4320-00-737-0342. Primary manufacturer part number: 55434.
Features
  • Sleeve,shaft,pump — FSC 4320
  • Material: NICKEL AND COPPER ALLOY OVERALL
  • 4 verified cross-references
  • Primary manufacturer: Dresser Industries Inc
Applications
  • Fluid transfer and circulation
  • Cooling system maintenance
  • Industrial process pumping
  • Applications requiring Nickel and Copper Alloy Overall construction
General Description

The Sleeve,shaft,pump, cataloged under National Stock Number 4320-00-737-0342, is classified within Federal Supply Class 4320 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Dresser Industries Inc. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 4 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
NSN4320-00-737-0342
Primary Part Number55434
Item NameSleeve,shaft,pump
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerDresser Industries Inc
StatusACTIVE
MaterialNICKEL AND COPPER ALLOY OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5331-00-198-6183 INTERCHANGEABLE
O-Ring
4820-00-274-36351605 INTERCHANGEABLE
Cock,plug
Romac Industries, Inc. Dba Hays Fluid Controls Div Hays Fluid Controls Division
5133-00-839-551017234 INTERCHANGEABLE
Drill,twist
New York Twist Drill Inc
5331-00-865-04042-278N951-75 INTERCHANGEABLE
O-Ring
Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division
1080-01-541-23642KP728 INTERCHANGEABLE
Cover,camouflage Screening
Oshkosh Defense Llc
Cross-Reference Index
Part NumberManufacturer
55434 Dresser Industries Inc (USA)
20028P Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
55434 Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
KM051762 Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
Related Parts
5331-00-198-6183INTERCHANGEABLE
O-RING
4820-00-274-3635INTERCHANGEABLE
COCK,PLUG
1605
5133-00-839-5510INTERCHANGEABLE
DRILL,TWIST
17234
5331-00-865-0404INTERCHANGEABLE
O-RING
2-278N951-75
1080-01-541-2364INTERCHANGEABLE
COVER,CAMOUFLAGE SCREENING
2KP728

Frequently Asked Questions

What is NSN 4320-00-737-0342?

NSN 4320-00-737-0342 is a Sleeve,shaft,pump, manufactured by Dresser Industries Inc, classified under FSC 4320 (No Item Name Available). Status: active.

What are the part numbers for NSN 4320-00-737-0342?

NSN 4320-00-737-0342 has 4 cross-referenced part numbers: 55434 (Dresser Industries Inc), 20028P (Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging), 55434 (Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging), KM051762 (Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging).

What NSN replaces 4320-00-737-0342?

There are 5 known substitutes for 4320-00-737-0342: 5331-00-198-6183, 4820-00-274-3635, 5133-00-839-5510 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 55434?

Key specifications for 55434: Material: NICKEL AND COPPER ALLOY OVERALL. 1 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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