PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

600503Head,fluid Filter

Admiral Filter Company Llc · NSN 4330-01-151-3813 · FSC 4330 · No Item Name Available
Verified by PartsTable
NSN 4330-01-151-3813 — this item is cataloged by the U.S. Government under National Stock Number 4330-01-151-3813. Primary manufacturer part number: 600503.
Features
  • Head,fluid Filter — FSC 4330
  • Mounting Bolt Hole: PROVIDED
  • Inlet Thread Series Designator: NPT
  • Outlet Thread Direction: RIGHT-HAND
  • Outlet Nominal Thread Size: 4.000 INCHES IN
  • Usage Design: DIRECT INTEGRAL CAVITY MOUNTING
  • Quantity: 10
  • Outlet Thread Series Designator: NPT
Applications
  • Fluid filtration and purification
  • Engine intake air cleaning
  • Hydraulic system protection
  • Applications requiring Copper Alloy construction
General Description

The Head,fluid Filter, cataloged under National Stock Number 4330-01-151-3813, is classified within Federal Supply Class 4330 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Admiral Filter Company Llc. Government technical data includes 16 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4330-01-151-3813
Primary Part Number600503
Item NameHead,fluid Filter
FSC / FSG4330 / 43 — No Item Name Available
ManufacturerAdmiral Filter Company Llc
StatusACTIVE
Mounting Bolt HolePROVIDED
Inlet Thread Series DesignatorNPT
Outlet Thread DirectionRIGHT-HAND
Outlet Nominal Thread Size4.000 INCHES IN
Usage DesignDIRECT INTEGRAL CAVITY MOUNTING
Quantity10
Outlet Thread Series DesignatorNPT
Thread DirectionRIGHT-HAND INLET
Hole Diameter0.305 INCHES NOMINAL IN
MaterialCOPPER ALLOY
ValveNOT INCLUDED
Outlet Port TypeTHREADED FEMALE, PLAIN
Inlet Nominal Thread Size4.000 INCHES IN
Filter ElementNOT INCLUDED
Inlet Port TypeTHREADED FEMALE, PLAIN
Overall Diameter12.312 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5310-01-355-5077600504 INTERCHANGEABLE
Nut,plain,cap
Curt Manufacturing Llc
Cross-Reference Index
Part NumberManufacturer
600503 PRIMARY Admiral Filter Company Llc (USA)
Related Parts
5310-01-355-5077INTERCHANGEABLE
NUT,PLAIN,CAP
600504

Frequently Asked Questions

What is NSN 4330-01-151-3813?

NSN 4330-01-151-3813 is a Head,fluid Filter, manufactured by Admiral Filter Company Llc, classified under FSC 4330 (No Item Name Available). Status: active.

What are the part numbers for NSN 4330-01-151-3813?

NSN 4330-01-151-3813 has 1 cross-referenced part number: 600503 (Admiral Filter Company Llc).

What NSN replaces 4330-01-151-3813?

There is 1 known substitute for 4330-01-151-3813: 5310-01-355-5077. Verify interchangeability with system specifications before substitution.

What are the specifications of 600503?

Key specifications for 600503: Mounting Bolt Hole: PROVIDED; Inlet Thread Series Designator: NPT; Outlet Thread Direction: RIGHT-HAND; Special Features: HALF MOON SHAPE; USED ON PARMATIC FILTER SEPARATOR NUMBER 690109. 18 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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