PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3-51254-1Filter Element,fluid

Northrop Grumman Systems Corporation · NSN 2945-00-877-9592 · FSC 2945 · No Item Name Available
Verified by PartsTable
NSN 2945-00-877-9592 — this item is cataloged by the U.S. Government under National Stock Number 2945-00-877-9592. Primary manufacturer part number: 3-51254-1.
Features
  • Filter Element,fluid — FSC 2945
  • Flow Direction: PARALLEL
  • Design Type: NONREUSABLE
  • Body Overall Length: 3.438 INCHES NOMINAL IN
  • Material: PAPER FILTERING MEDIUM
  • Style Designator: MULTIPLE STACKED DISKS, W/OUT CLEANING BLADES
  • Material: RUBBER SYNTHETIC SEAL
  • Filtering Media Design: CORRUGATED SINGLE FILTERING MEDIA RESPONSE
Applications
  • Fluid filtration and purification
  • Engine intake air cleaning
  • Hydraulic system protection
  • Applications requiring Paper Filtering Medium construction
General Description

The Filter Element,fluid, cataloged under National Stock Number 2945-00-877-9592, is classified within Federal Supply Class 2945 (No Item Name Available) of the Engine Accessories group. The primary manufacturer of record is Northrop Grumman Systems Corporation. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN2945-00-877-9592
Primary Part Number3-51254-1
Item NameFilter Element,fluid
FSC / FSG2945 / 29 — No Item Name Available
ManufacturerNorthrop Grumman Systems Corporation
StatusCANCELLED
Flow DirectionPARALLEL
Design TypeNONREUSABLE
Body Overall Length3.438 INCHES NOMINAL IN
MaterialPAPER FILTERING MEDIUM
Style DesignatorMULTIPLE STACKED DISKS, W/OUT CLEANING BLADES
MaterialRUBBER SYNTHETIC SEAL
Filtering Media DesignCORRUGATED SINGLE FILTERING MEDIA RESPONSE
Body Inside Diameter0.891 INCHES NOMINAL IN
FSC Application DataGEARBOX ASSY,AIRFRAME
Body Diameter1.625 INCHES NOMINAL IN
Media for Which DesignedANY ACCEPTABLE
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5133-00-236-3428 INTERCHANGEABLE
Drill,twist
8345-00-245-2801 INTERCHANGEABLE
Flag,individual
8345-00-247-0431 INTERCHANGEABLE
Flag,individual
2940-00-377-28905570150 INTERCHANGEABLE
Filter Element,fluid
Rolls-Royce Solutions America Inc
5985-00-506-449751-12-0 INTERCHANGEABLE
Cover,antenna
Allard Nazarian Group, Inc. Dba Granite State Manufacturing
3110-00-554-310051120 INTERCHANGEABLE
Bearing,ball,thrust
Skf Usa Inc.
7510-00-558-211151120 INTERCHANGEABLE
Paint Stick,marking
La-Co Industries, Inc. Dba Markal Company
5360-00-597-8984SCB69871 INTERCHANGEABLE
Spring,helical,compression
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
2945-01-050-572650-380069-1 INTERCHANGEABLE
Filter Element,fluid
Textron Aviation Inc
3110-01-057-956751120 INTERCHANGEABLE
Bearing,ball,thrust
Fag Bearings Corporation
Cross-Reference Index
Part NumberManufacturer
7511213 Pti Technologies Inc. (USA)
3-51254-1 Northrop Grumman Systems Corporation Dba Northrop Grumman Is Div Northrop Grumman Aeronautics Systems (USA)
51120 Arvinmeritor Inc (USA)
3-51254-1 Northrop Grumman Technical Services, Inc. Dba Defense Systems Sector (USA)
3-51254-1 PRIMARY Northrop Grumman Systems Corporation (USA)
Related Parts
5133-00-236-3428INTERCHANGEABLE
DRILL,TWIST
8345-00-245-2801INTERCHANGEABLE
FLAG,INDIVIDUAL
8345-00-247-0431INTERCHANGEABLE
FLAG,INDIVIDUAL
2940-00-377-2890INTERCHANGEABLE
FILTER ELEMENT,FLUID
5570150
5985-00-506-4497INTERCHANGEABLE
COVER,ANTENNA
51-12-0
3110-00-554-3100INTERCHANGEABLE
BEARING,BALL,THRUST
51120
7510-00-558-2111INTERCHANGEABLE
PAINT STICK,MARKING
51120
5360-00-597-8984INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
SCB69871
2945-01-050-5726INTERCHANGEABLE
FILTER ELEMENT,FLUID
50-380069-1
3110-01-057-9567INTERCHANGEABLE
BEARING,BALL,THRUST
51120
5340-01-303-1616INTERCHANGEABLE
SLIDE,DRAWER,EXTENSION
511-20
5315-01-471-6574INTERCHANGEABLE
PIN,GROOVED,HEADLESS
51120

Frequently Asked Questions

What is NSN 2945-00-877-9592?

NSN 2945-00-877-9592 is a Filter Element,fluid, manufactured by Northrop Grumman Systems Corporation, classified under FSC 2945 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 2945-00-877-9592?

NSN 2945-00-877-9592 has 5 cross-referenced part numbers: 7511213 (Pti Technologies Inc.), 3-51254-1 (Northrop Grumman Systems Corporation Dba Northrop Grumman Is Div Northrop Grumman Aeronautics Systems), 51120 (Arvinmeritor Inc), 3-51254-1 (Northrop Grumman Technical Services, Inc. Dba Defense Systems Sector), 3-51254-1 (Northrop Grumman Systems Corporation).

What NSN replaces 2945-00-877-9592?

There are 12 known substitutes for 2945-00-877-9592: 5133-00-236-3428, 8345-00-245-2801, 8345-00-247-0431 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 3-51254-1?

Key specifications for 3-51254-1: Flow Direction: PARALLEL; Design Type: NONREUSABLE; Body Overall Length: 3.438 INCHES NOMINAL IN; Material: PAPER FILTERING MEDIUM. 11 total characteristics are documented in the Federal Logistics Information System.

Is NSN 2945-00-877-9592 still in active supply?

NSN 2945-00-877-9592 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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