PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4445PDiaphragm,pump,special Shaped

Curtiss-Wright Electro-Mechanical Corporation Div Epd · NSN 4310-00-035-7438 · FSC 4310 · No Item Name Available
Verified by PartsTable
NSN 4310-00-035-7438 — this item is cataloged by the U.S. Government under National Stock Number 4310-00-035-7438. Primary manufacturer part number: 4445P.
Features
  • Diaphragm,pump,special Shaped — FSC 4310
  • Material: COPPER ALLOY
  • Outside Diameter: 7.500 INCHES NOMINAL IN
  • Material Thickness: 1.115 INCHES NOMINAL IN
  • 8 verified cross-references
  • Primary manufacturer: Curtiss-Wright Electro-Mechanical Corporation Div Epd
Applications
  • Fluid transfer and circulation
  • Cooling system maintenance
  • Industrial process pumping
  • Applications requiring Copper Alloy construction
General Description

The Diaphragm,pump,special Shaped, cataloged under National Stock Number 4310-00-035-7438, is classified within Federal Supply Class 4310 (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 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4310-00-035-7438
Primary Part Number4445P
Item NameDiaphragm,pump,special Shaped
FSC / FSG4310 / 43 — No Item Name Available
ManufacturerCurtiss-Wright Electro-Mechanical Corporation Div Epd
StatusACTIVE
MaterialCOPPER ALLOY
Outside Diameter7.500 INCHES NOMINAL IN
Material Thickness1.115 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5310-00-514-7634 INTERCHANGEABLE
Nut,plain,cap
5331-00-877-497210519 INTERCHANGEABLE
O-Ring
Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems
5935-00-989-2863PN2A INTERCHANGEABLE
Adapter,connector
Trompeter Electronics, Inc.
5365-01-026-8977 INTERCHANGEABLE
Plug,machine Thread
5365-01-043-9026 INTERCHANGEABLE
Plug,machine Thread
5905-01-096-3655C1051-9 INTERCHANGEABLE
Resistor,fixed,wire Wound
Crown Audio, Inc. Dba Crown International
5930-01-135-492110519 INTERCHANGEABLE
Switch,foot
Assembly Technologies International Inc.
5342-01-181-0475 INTERCHANGEABLE
Clip,washer
6220-01-282-27801051900 INTERCHANGEABLE
Retainer,lens
Phoenix Products Llc Dba Phoenix Lighting Products Llc
5305-01-421-947310519 INTERCHANGEABLE
Screw,cap,socket Head
Spx Fluid Power
Cross-Reference Index
Part NumberManufacturer
SL4621PC43 Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
4445P Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
179001A Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
SL4750PC43 Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
SL4623PC43 Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
4445P PRIMARY Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA)
10519 Rps-Fl, Inc. Dba Rps Inc (USA)
SL4753PC43 Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
Related Parts
5310-00-514-7634INTERCHANGEABLE
NUT,PLAIN,CAP
5331-00-877-4972INTERCHANGEABLE
O-RING
10519
5935-00-989-2863INTERCHANGEABLE
ADAPTER,CONNECTOR
PN2A
5365-01-026-8977INTERCHANGEABLE
PLUG,MACHINE THREAD
5365-01-043-9026INTERCHANGEABLE
PLUG,MACHINE THREAD
5905-01-096-3655INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND
C1051-9
5930-01-135-4921INTERCHANGEABLE
SWITCH,FOOT
10519
5342-01-181-0475INTERCHANGEABLE
CLIP,WASHER
6220-01-282-2780INTERCHANGEABLE
RETAINER,LENS
1051900
5305-01-421-9473INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
10519
5330-01-460-0248INTERCHANGEABLE
PARTS KIT,SEAL REPLACEMENT,MECHA
10519
6210-01-694-3016INTERCHANGEABLE
FIXTURE,LIGHTING
EFO-X022-77.5-02

Frequently Asked Questions

What is NSN 4310-00-035-7438?

NSN 4310-00-035-7438 is a Diaphragm,pump,special Shaped, manufactured by Curtiss-Wright Electro-Mechanical Corporation Div Epd, classified under FSC 4310 (No Item Name Available). Status: active.

What are the part numbers for NSN 4310-00-035-7438?

NSN 4310-00-035-7438 has 8 cross-referenced part numbers: SL4621PC43 (Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging), 4445P (Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging), 179001A (Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging), SL4750PC43 (Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging), SL4623PC43 (Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging) and 3 more.

What NSN replaces 4310-00-035-7438?

There are 12 known substitutes for 4310-00-035-7438: 5310-00-514-7634, 5331-00-877-4972, 5935-00-989-2863 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4445P?

Key specifications for 4445P: Material: COPPER ALLOY; Outside Diameter: 7.500 INCHES NOMINAL IN; Material Thickness: 1.115 INCHES NOMINAL IN; Special Features: ID 2.500 IN.; TWO TABS 1890 DEG APART; 2.600 IN. LG BY 1.800 IN. W BY 0.450 IN. THK IN. 4 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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