PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

C5-45-2774Diffuser

Edgewood Chemical Biological Center Ecbc · NSN 4320-00-820-1835 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-00-820-1835 — this item is cataloged by the U.S. Government under National Stock Number 4320-00-820-1835. Primary manufacturer part number: C5-45-2774.
Features
  • Diffuser — FSC 4320
  • General Characteristics Item Description: CAST IRON PER ASTM A-48; 8.125 IN. O.D.; 6.255 IN. I.D.; 1.531 IN. HT.;7 EQUALLY SPACED VANES IN
  • 2 verified cross-references
  • Primary manufacturer: Edgewood Chemical Biological Center Ecbc
Applications
  • Hydraulic and pneumatic systems
  • Industrial process pumping
  • Military vehicle hydraulics
General Description

The Diffuser, cataloged under National Stock Number 4320-00-820-1835, is classified within Federal Supply Class 4320 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Edgewood Chemical Biological Center Ecbc. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 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
NSN4320-00-820-1835
Primary Part NumberC5-45-2774
Item NameDiffuser
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerEdgewood Chemical Biological Center Ecbc
StatusACTIVE
General Characteristics Item DescriptionCAST IRON PER ASTM A-48; 8.125 IN. O.D.; 6.255 IN. I.D.; 1.531 IN. HT.;7 EQUALLY SPACED VANES IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
5940-00-069-3062 INTERCHANGEABLE
Terminal,stud
5841-00-192-3649105-040-0001 INTERCHANGEABLE
Contact Ring,video
Northrop Grumman Systems Corporation
5330-00-214-325020644 INTERCHANGEABLE
Gasket
Eaton Aerospace, Llc Dba Jackson South
2920-00-290-8690NSB532 INTERCHANGEABLE
Starter,engine,electrical
Delphi Powertrain Systems, Llc
5945-00-295-45142754-3 INTERCHANGEABLE
Relay,electromagnetic
Te Connectivity Corporation
4310-00-652-717927543 INTERCHANGEABLE
Shroud,fan
Hdt Expeditionary Systems Inc
3120-00-795-469527543 INTERCHANGEABLE
Roller,linear-Rotary Motion
Napco International Llc Dba Napco International Inc
4730-01-425-6740 INTERCHANGEABLE
Nut,tube Coupling
5305-01-548-472129929 INTERCHANGEABLE
Screw,cap,hexagon Head
Eagle Components, Inc
5940-01-613-823327543 INTERCHANGEABLE
Terminal Board
Northrop Grumman Systems Corporation
Cross-Reference Index
Part NumberManufacturer
C5-45-2774 PRIMARY Edgewood Chemical Biological Center Ecbc (USA)
27543 Itt Marlow a Unit of Itt Pumps and Compressors Div (USA)
Related Parts
5940-00-069-3062INTERCHANGEABLE
TERMINAL,STUD
5841-00-192-3649INTERCHANGEABLE
CONTACT RING,VIDEO
105-040-0001
5330-00-214-3250INTERCHANGEABLE
GASKET
20644
2920-00-290-8690INTERCHANGEABLE
STARTER,ENGINE,ELECTRICAL
NSB532
5945-00-295-4514INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
2754-3
4310-00-652-7179INTERCHANGEABLE
SHROUD,FAN
27543
3120-00-795-4695INTERCHANGEABLE
ROLLER,LINEAR-ROTARY MOTION
27543
4730-01-425-6740INTERCHANGEABLE
NUT,TUBE COUPLING
5305-01-548-4721INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
29929
5940-01-613-8233INTERCHANGEABLE
TERMINAL BOARD
27543

Frequently Asked Questions

What is NSN 4320-00-820-1835?

NSN 4320-00-820-1835 is a Diffuser, manufactured by Edgewood Chemical Biological Center Ecbc, classified under FSC 4320 (No Item Name Available). Status: active.

What are the part numbers for NSN 4320-00-820-1835?

NSN 4320-00-820-1835 has 2 cross-referenced part numbers: C5-45-2774 (Edgewood Chemical Biological Center Ecbc), 27543 (Itt Marlow a Unit of Itt Pumps and Compressors Div).

What NSN replaces 4320-00-820-1835?

There are 10 known substitutes for 4320-00-820-1835: 5940-00-069-3062, 5841-00-192-3649, 5330-00-214-3250 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of C5-45-2774?

Key specifications for C5-45-2774: General Characteristics Item Description: CAST IRON PER ASTM A-48; 8.125 IN. O.D.; 6.255 IN. I.D.; 1.531 IN. HT.;7 EQUALLY SPACED VANES IN; End Item Identification: DECONTAMINATING APPARATUS; NSN 4230-00-926-9488. 2 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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