PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

19918Test Window Assembly,fuel Pump

Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems · NSN 4910-01-425-7451 · FSC 4910 · No Item Name Available
Verified by PartsTable
NSN 4910-01-425-7451 — this item is cataloged by the U.S. Government under National Stock Number 4910-01-425-7451. Primary manufacturer part number: 19918.
Features
  • Test Window Assembly,fuel Pump — FSC 4910
  • General Characteristics Item Description: INCLUDES TEST WINDOW, GASKET AND TWO SCREWS
  • 1 verified cross-reference
  • Primary manufacturer: Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems
Applications
  • Fluid transfer and circulation
  • Cooling system maintenance
  • Industrial process pumping
General Description

The Test Window Assembly,fuel Pump, cataloged under National Stock Number 4910-01-425-7451, is classified within Federal Supply Class 4910 (No Item Name Available) of the Maintenance and Repair Shop Equipment group. The primary manufacturer of record is Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4910-01-425-7451
Primary Part Number19918
Item NameTest Window Assembly,fuel Pump
FSC / FSG4910 / 49 — No Item Name Available
ManufacturerStanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems
StatusACTIVE
General Characteristics Item DescriptionINCLUDES TEST WINDOW, GASKET AND TWO SCREWS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5935-00-125-2085WD11S-8-1 INTERCHANGEABLE
Connector,receptacle,electrical
Winchester Interconnect Corporation Dba Winchester Interconnect Div Winchester Interconnect
5305-01-526-501719918 INTERCHANGEABLE
Screw,cap,hexagon Head
Fastenal Co
5306-01-556-463812759-00480 INTERCHANGEABLE
Bolt,machine
Fastenal Company Dba Fastenal Co
6640-01-592-5656ASAY-ASY-0060 INTERCHANGEABLE
Bag,blender,laboratory
Biofire Defense Llc
Cross-Reference Index
Part NumberManufacturer
19918 PRIMARY Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems (USA)
Related Parts
5935-00-125-2085INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
WD11S-8-1
5305-01-526-5017INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
19918
5306-01-556-4638INTERCHANGEABLE
BOLT,MACHINE
12759-00480
6640-01-592-5656INTERCHANGEABLE
BAG,BLENDER,LABORATORY
ASAY-ASY-0060

Frequently Asked Questions

What is NSN 4910-01-425-7451?

NSN 4910-01-425-7451 is a Test Window Assembly,fuel Pump, manufactured by Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems, classified under FSC 4910 (No Item Name Available). Status: active.

What are the part numbers for NSN 4910-01-425-7451?

NSN 4910-01-425-7451 has 1 cross-referenced part number: 19918 (Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems).

What NSN replaces 4910-01-425-7451?

There are 4 known substitutes for 4910-01-425-7451: 5935-00-125-2085, 5305-01-526-5017, 5306-01-556-4638 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 19918?

Key specifications for 19918: Part Name Assigned by Controlling Agency: ADVANCE TEST WINDOW ASSEMBLY; Special Features: ITEM IS TEMPORARILY ATTACHED TO A DIESEL FUEL PUMP TO CHECK THE CALIBRATION OF THE ADVANCE TIMING OF THE PUMP; USED ON STANADYNE CORP DM AND DB2 PUMPS; General Characteristics Item Description: INCLUDES TEST WINDOW, GASKET AND TWO SCREWS; End Item Identification: 3930-01-384-5310, FORK LIFT TRUCK. 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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