PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

20621Head,fluid Filter

Cummins Inc. · NSN 2940-00-377-5182 · FSC 2940 · No Item Name Available
Verified by PartsTable
NSN 2940-00-377-5182 — this item is cataloged by the U.S. Government under National Stock Number 2940-00-377-5182. Primary manufacturer part number: 20621.
Features
  • Head,fluid Filter — FSC 2940
  • Outlet Port Type: THREADED FEMALE, PLAIN
  • Inlet Nominal Thread Size: 0.750 INCHES IN
  • Material: IRON CAST
  • Outlet Thread Class: 2B
  • Outlet Thread Series Designator: NPT
  • Outlet Thread Direction: RIGHT-HAND
  • Thread Direction: RIGHT-HAND INLET
Applications
  • Fluid filtration and purification
  • Engine intake air cleaning
  • Hydraulic system protection
  • Applications requiring Iron Cast construction
General Description

The Head,fluid Filter, cataloged under National Stock Number 2940-00-377-5182, is classified within Federal Supply Class 2940 (No Item Name Available) of the Engine Accessories group. The primary manufacturer of record is Cummins Inc.. Government technical data includes 21 verified specifications, 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. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2940-00-377-5182
Primary Part Number20621
Item NameHead,fluid Filter
FSC / FSG2940 / 29 — No Item Name Available
ManufacturerCummins Inc.
StatusACTIVE
Outlet Port TypeTHREADED FEMALE, PLAIN
Inlet Nominal Thread Size0.750 INCHES IN
MaterialIRON CAST
Outlet Thread Class2B
Outlet Thread Series DesignatorNPT
Outlet Thread DirectionRIGHT-HAND
Thread DirectionRIGHT-HAND INLET
Quantity1
Bowl Mounting Hole Diameter5.406 INCHES NOMINAL IN
Inlet Thread Quantity Per Inch14
Filter ElementNOT INCLUDED
Usage DesignONE SEDIMENT BOWL
Inlet Thread Series DesignatorNPT
Outlet Nominal Thread Size0.750 INCHES IN
ValveNOT INCLUDED
Mounting MethodBOLT BOWL
Inlet Thread Class2B
Outlet Thread Quantity Per Inch14
Mounting Bolt HolePROVIDED
Inlet Port TypeTHREADED FEMALE, PLAIN
Hole Diameter0.859 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5975-00-322-034620621 INTERCHANGEABLE
Collar,flange
Schneider Electric Usa, Inc.
2915-00-328-0974 INTERCHANGEABLE
Ball,choke Lever
5330-00-328-4509 INTERCHANGEABLE
Seal,grease
5950-00-645-1516052-000046 INTERCHANGEABLE
Transformer,power
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple
5998-01-140-930820621 INTERCHANGEABLE
Circuit Card Assembly
L3 Technologies, Inc. Div Communication Systems-West
5925-01-361-543420621 INTERCHANGEABLE
Circuit Breaker
Thales Usa, Inc. Div Air Mobility Solutions ("ams")
5975-01-367-9590206-21 INTERCHANGEABLE
Conduit Assembly,metal,flexible
Dcx-Chol Enterprises, Inc.
Cross-Reference Index
Part NumberManufacturer
20621 PRIMARY Cummins Inc. (USA)
Related Parts
5975-00-322-0346INTERCHANGEABLE
COLLAR,FLANGE
20621
2915-00-328-0974INTERCHANGEABLE
BALL,CHOKE LEVER
5330-00-328-4509INTERCHANGEABLE
SEAL,GREASE
5950-00-645-1516INTERCHANGEABLE
TRANSFORMER,POWER
052-000046
5998-01-140-9308INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
20621
5925-01-361-5434INTERCHANGEABLE
CIRCUIT BREAKER
20621
5975-01-367-9590INTERCHANGEABLE
CONDUIT ASSEMBLY,METAL,FLEXIBLE
206-21

Frequently Asked Questions

What is NSN 2940-00-377-5182?

NSN 2940-00-377-5182 is a Head,fluid Filter, manufactured by Cummins Inc., classified under FSC 2940 (No Item Name Available). Status: active.

What are the part numbers for NSN 2940-00-377-5182?

NSN 2940-00-377-5182 has 1 cross-referenced part number: 20621 (Cummins Inc.).

What NSN replaces 2940-00-377-5182?

There are 7 known substitutes for 2940-00-377-5182: 5975-00-322-0346, 2915-00-328-0974, 5330-00-328-4509 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 20621?

Key specifications for 20621: Outlet Port Type: THREADED FEMALE, PLAIN; Inlet Nominal Thread Size: 0.750 INCHES IN; Material: IRON CAST; Outlet Thread Class: 2B. 24 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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