PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

255444-1Ring,casing

Curtiss-Wright Electro-Mechanical Corporation Div Epd · NSN 4320-00-336-5330 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-00-336-5330 — this item is cataloged by the U.S. Government under National Stock Number 4320-00-336-5330. Primary manufacturer part number: 255444-1.
Features
  • Ring,casing — FSC 4320
  • 9 verified cross-references
  • Primary manufacturer: Curtiss-Wright Electro-Mechanical Corporation Div Epd
Applications
  • Hydraulic and pneumatic systems
  • Industrial process pumping
  • Military vehicle hydraulics
General Description

The Ring,casing, cataloged under National Stock Number 4320-00-336-5330, 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. This item has 9 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameRing,casing
FSC / FSG4320 — No Item Name Available (FSG 43)
ManufacturersCurtiss-Wright Electro-Mechanical Corporation Div Epd (CAGE 0UBG9); Worthington Compressors Inc Air Power and Construction Equip Div (CAGE 93234); Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (CAGE 93232); Naval Ship Systems Command (CAGE 80064); Rps-Fl, Inc. Dba Rps Inc (CAGE 54402)
Technical Specifications
ParameterValue
NSN4320-00-336-5330
Primary Part Number255444-1
Item NameRing,casing
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerCurtiss-Wright Electro-Mechanical Corporation Div Epd
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
5915-00-156-2083 INTERCHANGEABLE
Filter,band Pass
4710-00-202-9731AMS5567-TY2-0.250X0.035 INTERCHANGEABLE
Tube,metallic
Sae International Dba Sae International
6350-00-389-457110181 INTERCHANGEABLE
Valve,pilot
Leslie Controls, Inc. Dba Leslie Controls Inc
5945-00-578-90911018-1 INTERCHANGEABLE
Relay,electromagnetic
Curtiss-Wright Controls Electronic Systems, Inc.
5940-00-935-343110-453-1 INTERCHANGEABLE
Terminal,stud
Concord Electronics, Inc.
5962-01-014-9636 INTERCHANGEABLE
Microcircuit,digital
5310-01-134-42531018-1 INTERCHANGEABLE
Nut,plain,knurled
Meggitt Safety Systems Inc
5305-01-159-448510181 INTERCHANGEABLE
Screw,machine
Eaton Corp
2940-01-355-12542691-00P INTERCHANGEABLE
Filter,fluid
Portaco, Inc.
2520-01-506-87891018-1 INTERCHANGEABLE
Universal Joint,vehicular
Tru-Hitch, Inc.
Cross-Reference Index
Part NumberManufacturer
SL5444PC70 Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA)
3646P Worthington Compressors Inc Air Power and Construction Equip Div (USA)
255444-1 Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
255444-1 PRIMARY Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA)
SL5442PC70 Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA)
SL5442PC70 Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
SL5444PC70 Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
428206PC70 Naval Ship Systems Command (USA)
10181 PRIMARY Rps-Fl, Inc. Dba Rps Inc (USA)
Related Parts
5915-00-156-2083INTERCHANGEABLE
FILTER,BAND PASS
4710-00-202-9731INTERCHANGEABLE
TUBE,METALLIC
AMS5567-TY2-0.250X0.035
6350-00-389-4571INTERCHANGEABLE
VALVE,PILOT
10181
5945-00-578-9091INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
1018-1
5940-00-935-3431INTERCHANGEABLE
TERMINAL,STUD
10-453-1
5962-01-014-9636INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
5310-01-134-4253INTERCHANGEABLE
NUT,PLAIN,KNURLED
1018-1
5305-01-159-4485INTERCHANGEABLE
SCREW,MACHINE
10181
2940-01-355-1254INTERCHANGEABLE
FILTER,FLUID
2691-00P
2520-01-506-8789INTERCHANGEABLE
UNIVERSAL JOINT,VEHICULAR
1018-1

Frequently Asked Questions

What is NSN 4320-00-336-5330?

NSN 4320-00-336-5330 is a Ring,casing, 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 4320-00-336-5330?

NSN 4320-00-336-5330 has 9 cross-referenced part numbers: SL5444PC70 (Curtiss-Wright Electro-Mechanical Corporation Div Epd), 3646P (Worthington Compressors Inc Air Power and Construction Equip Div), 255444-1 (Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging), 255444-1 (Curtiss-Wright Electro-Mechanical Corporation Div Epd), SL5442PC70 (Curtiss-Wright Electro-Mechanical Corporation Div Epd) and 4 more.

What NSN replaces 4320-00-336-5330?

There are 10 known substitutes for 4320-00-336-5330: 5915-00-156-2083, 4710-00-202-9731, 6350-00-389-4571 and 7 more. Verify interchangeability with system specifications before substitution.

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