PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

255047-4Sleeve,shaft,pump

Curtiss-Wright Electro-Mechanical Corporation Div Epd · NSN 4320-00-177-3027 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-00-177-3027 — this item is cataloged by the U.S. Government under National Stock Number 4320-00-177-3027. Primary manufacturer part number: 255047-4.
Features
  • Sleeve,shaft,pump — FSC 4320
  • Left End Body Diameter: 2.8750 INCHES NOMINAL IN
  • Slot Width: 0.2500 INCHES NOMINAL FIRST IN
  • Body Inside Diameter: 2.2500 INCHES NOMINAL IN
  • Flange Outside Diameter: 3.7500 INCHES NOMINAL IN
  • Material: NICKEL ALLOY AND COPPER ALLOY AND ALUMINUM ALLOY OVERALL
  • Antirotation/lubrication Type and Quantity: 1 SLOT
  • Flange Width: 0.6875 INCHES NOMINAL IN
Applications
  • Fluid transfer and circulation
  • Cooling system maintenance
  • Industrial process pumping
  • Applications requiring Nickel Alloy and Copper Alloy and Aluminum Alloy Overall construction
General Description

The Sleeve,shaft,pump, cataloged under National Stock Number 4320-00-177-3027, is classified within Federal Supply Class 4320 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Curtiss-Wright Electro-Mechanical Corporation Div Epd. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 10 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4320-00-177-3027
Primary Part Number255047-4
Item NameSleeve,shaft,pump
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerCurtiss-Wright Electro-Mechanical Corporation Div Epd
StatusACTIVE
Left End Body Diameter2.8750 INCHES NOMINAL IN
Slot Width0.2500 INCHES NOMINAL FIRST IN
Body Inside Diameter2.2500 INCHES NOMINAL IN
Flange Outside Diameter3.7500 INCHES NOMINAL IN
MaterialNICKEL ALLOY AND COPPER ALLOY AND ALUMINUM ALLOY OVERALL
Antirotation/lubrication Type and Quantity1 SLOT
Flange Width0.6875 INCHES NOMINAL IN
Features ProvidedCASEHARDENED
Style DesignatorSOLID, EXTERNAL FLANGE
Right End Body Diameter2.6250 INCHES MINIMUM AND 2.8750 INCHES MAXIMUM IN
Corner ShapeSQUARE ALL CORNERS
Slot Length0.3750 INCHES NOMINAL FIRST IN
End to Flange Distance1.8750 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
4320-00-177-3024SL5047PC74 INTERCHANGEABLE
Sleeve,shaft,pump
Curtiss-Wright Electro-Mechanical Corporation Div Epd
5935-00-283-3825105-2-2 INTERCHANGEABLE
Jack,tip
Kearfott Corporation Div Guidance and Navigation Division
4320-00-420-5421255047-6 INTERCHANGEABLE
Housing,liquid Pump
Curtiss-Wright Electro-Mechanical Corporation Div Epd
5310-00-579-1223 INTERCHANGEABLE
Nut,sheet Spring
5360-00-947-133610522 INTERCHANGEABLE
Spring,helical,extension
Schenck Usa Corp. Dba Schenck Usa Corp
3950-01-096-502810522 INTERCHANGEABLE
Parts Kit,winch
DP Manufacturing Inc.
5120-01-138-47973269541 INTERCHANGEABLE
Wrench,spanner
Naval Sea Systems Command
6530-01-139-9406 INTERCHANGEABLE
Pad Set,orthopedic
5305-01-334-045610522 INTERCHANGEABLE
Screw,cap,hexagon Head
Auto Vehicle Parts Co Dba Au-Ve-Co
4730-01-415-6421J60587 INTERCHANGEABLE
Strainer Element,sediment
Pulsafeeder Inc
Cross-Reference Index
Part NumberManufacturer
SL5051PC76 Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
255047-4 PRIMARY Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA)
255047-4 Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
SL5047PC76 Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA)
10522 Rps-Fl, Inc. Dba Rps Inc (USA)
281P Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA)
SL5047PC76 Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
SL5051PC76 Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA)
281P Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
DD445-S4700-391 Naval Ship Systems Command (USA)
Related Parts
4320-00-177-3024INTERCHANGEABLE
SLEEVE,SHAFT,PUMP
SL5047PC74
5935-00-283-3825INTERCHANGEABLE
JACK,TIP
105-2-2
4320-00-420-5421INTERCHANGEABLE
HOUSING,LIQUID PUMP
255047-6
5310-00-579-1223INTERCHANGEABLE
NUT,SHEET SPRING
5360-00-947-1336INTERCHANGEABLE
SPRING,HELICAL,EXTENSION
10522
3950-01-096-5028INTERCHANGEABLE
PARTS KIT,WINCH
10522
5120-01-138-4797INTERCHANGEABLE
WRENCH,SPANNER
3269541
6530-01-139-9406INTERCHANGEABLE
PAD SET,ORTHOPEDIC
5305-01-334-0456INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
10522
4730-01-415-6421INTERCHANGEABLE
STRAINER ELEMENT,SEDIMENT
J60587

Frequently Asked Questions

What is NSN 4320-00-177-3027?

NSN 4320-00-177-3027 is a Sleeve,shaft,pump, manufactured by Curtiss-Wright Electro-Mechanical Corporation Div Epd, classified under FSC 4320 (No Item Name Available). Status: active.

What are the part numbers for NSN 4320-00-177-3027?

NSN 4320-00-177-3027 has 10 cross-referenced part numbers: SL5051PC76 (Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging), 255047-4 (Curtiss-Wright Electro-Mechanical Corporation Div Epd), 255047-4 (Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging), SL5047PC76 (Curtiss-Wright Electro-Mechanical Corporation Div Epd), 10522 (Rps-Fl, Inc. Dba Rps Inc) and 5 more.

What NSN replaces 4320-00-177-3027?

There are 10 known substitutes for 4320-00-177-3027: 4320-00-177-3024, 5935-00-283-3825, 4320-00-420-5421 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 255047-4?

Key specifications for 255047-4: Left End Body Diameter: 2.8750 INCHES NOMINAL IN; Slot Width: 0.2500 INCHES NOMINAL FIRST IN; Body Inside Diameter: 2.2500 INCHES NOMINAL IN; Flange Outside Diameter: 3.7500 INCHES NOMINAL IN. 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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