PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

WF2-1018Retainer,filter Seat

Malabar · NSN 4820-01-146-7954 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-146-7954 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-146-7954. Primary manufacturer part number: WF2-1018.
Features
  • Retainer,filter Seat — FSC 4820
  • General Characteristics Item Description: ALUMINUM ALLOY,6061-T651,QQ-A-225/8; 1.344 IN. O/A LG,0.875 IN. OD ONE END,0.623 IN. OD OTHER END; LARGEST OD END SLOTTED,0.062 IN. W,0.094 IN. DEEP; FOUR 0.124 MIN 0.129 MAX IN. DIA HOLES,EQUALLY SPACED AROUND BODY; SMALLEST OD END WITH RECESS,0.625 IN. DEEP,THD,7/16 IN. 20 UNF-2B THD SIZE,0.500 IN. THD LG IN
  • 2 verified cross-references
  • Primary manufacturer: Malabar
Applications
  • Fluid filtration and purification
  • Engine intake air cleaning
  • Hydraulic system protection
General Description

The Retainer,filter Seat, cataloged under National Stock Number 4820-01-146-7954, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Malabar. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, 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
NSN4820-01-146-7954
Primary Part NumberWF2-1018
Item NameRetainer,filter Seat
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerMalabar
StatusACTIVE
General Characteristics Item DescriptionALUMINUM ALLOY,6061-T651,QQ-A-225/8; 1.344 IN. O/A LG,0.875 IN. OD ONE END,0.623 IN. OD OTHER END; LARGEST OD END SLOTTED,0.062 IN. W,0.094 IN. DEEP; FOUR 0.124 MIN 0.129 MAX IN. DIA HOLES,EQUALLY SPACED AROUND BODY; SMALLEST OD END WITH RECESS,0.625 IN. DEEP,THD,7/16 IN. 20 UNF-2B THD SIZE,0.500 IN. THD LG IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
3110-00-158-856911230 INTERCHANGEABLE
Roller,bearing
Terex Reedrill Dba Reedrill Texoma Div Terex Mining
5998-00-401-552921018 INTERCHANGEABLE
Printed Wiring Board
Magnetika Inc
5905-00-549-1651210-18 INTERCHANGEABLE
Resistor,variable,nonwire Wound,
Keysight Technologies Inc
5975-00-729-8134 INTERCHANGEABLE
Cable Nipple,electrical
2530-00-891-2954118134 INTERCHANGEABLE
Brake Shoe
Dana Off Highway Products, Llc
5940-00-983-6113 INTERCHANGEABLE
Terminal Board
4520-01-017-796421018 INTERCHANGEABLE
Heating Element,electrical,nonim
Noske-Kaeser Germany Gmbh
5998-01-025-130821018 INTERCHANGEABLE
Circuit Card Assembly
L3 Technologies, Inc. Div L3harris Edo Western Corporation
4510-01-137-3327803-5001740-3 PIECE 2-11 INTERCHANGEABLE
Parts Kit,shower Head
Naval Sea Systems Command
4940-01-150-060421018 INTERCHANGEABLE
Cleaning Gun,steam
Fluid Conditioning Products, Inc.
Cross-Reference Index
Part NumberManufacturer
2-1018 Malabar (USA)
WF2-1018 PRIMARY Malabar (USA)
Related Parts
3110-00-158-8569INTERCHANGEABLE
ROLLER,BEARING
11230
5998-00-401-5529INTERCHANGEABLE
PRINTED WIRING BOARD
21018
5905-00-549-1651INTERCHANGEABLE
RESISTOR,VARIABLE,NONWIRE WOUND,
210-18
5975-00-729-8134INTERCHANGEABLE
CABLE NIPPLE,ELECTRICAL
2530-00-891-2954INTERCHANGEABLE
BRAKE SHOE
118134
5940-00-983-6113INTERCHANGEABLE
TERMINAL BOARD
4520-01-017-7964INTERCHANGEABLE
HEATING ELEMENT,ELECTRICAL,NONIM
21018
5998-01-025-1308INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
21018
4510-01-137-3327INTERCHANGEABLE
PARTS KIT,SHOWER HEAD
803-5001740-3 PIECE 2-11
4940-01-150-0604INTERCHANGEABLE
CLEANING GUN,STEAM
21018
3120-01-288-8444INTERCHANGEABLE
BEARING,SLEEVE
6515-01-503-4283INTERCHANGEABLE
TIP,HANDPIECE,IRRIGATION-ASPIRAT
210-018-000

Frequently Asked Questions

What is NSN 4820-01-146-7954?

NSN 4820-01-146-7954 is a Retainer,filter Seat, manufactured by Malabar, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-146-7954?

NSN 4820-01-146-7954 has 2 cross-referenced part numbers: 2-1018 (Malabar), WF2-1018 (Malabar).

What NSN replaces 4820-01-146-7954?

There are 12 known substitutes for 4820-01-146-7954: 3110-00-158-8569, 5998-00-401-5529, 5905-00-549-1651 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of WF2-1018?

Key specifications for WF2-1018: General Characteristics Item Description: ALUMINUM ALLOY,6061-T651,QQ-A-225/8; 1.344 IN. O/A LG,0.875 IN. OD ONE END,0.623 IN. OD OTHER END; LARGEST OD END SLOTTED,0.062 IN. W,0.094 IN. DEEP; FOUR 0.124 MIN 0.129 MAX IN. DIA HOLES,EQUALLY SPACED AROUND BODY; SMALLEST OD END WITH RECESS,0.625 IN. DEEP,THD,7/16 IN. 20 UNF-2B THD SIZE,0.500 IN. THD LG IN. 1 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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