PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

31590Filter,fluid

Pti Technologies Inc. · NSN 1650-00-468-1896 · FSC 1650 · No Item Name Available
Verified by PartsTable
NSN 1650-00-468-1896 — this item is cataloged by the U.S. Government under National Stock Number 1650-00-468-1896. Primary manufacturer part number: 31590.
Features
  • Filter,fluid — FSC 1650
  • Mounting Hole Diameter: 0.265 INCHES NOMINAL IN
  • Filtering Element Quantity: 1
  • Distance Between Mounting Hole Centers: 1.250 INCHES NOMINAL IN
  • Material: ALUMINUM ALLOY SEDIMENT BOWL
  • First Discharge Connection Relationship to Intake Connection: IDENTICAL TO FIRST INTAKE CONNECTION
  • First Intake Thread Direction: RIGHT-HAND
  • Style Designator: TEE TYPE (HYDRAULIC)
Applications
  • Fluid filtration and purification
  • Engine intake air cleaning
  • Hydraulic system protection
  • Applications requiring Aluminum Alloy Sediment Bowl construction
General Description

The Filter,fluid, cataloged under National Stock Number 1650-00-468-1896, is classified within Federal Supply Class 1650 (No Item Name Available) of the Aircraft Components and Accessories group. The primary manufacturer of record is Pti Technologies Inc.. Government technical data includes 25 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 11 commercial cross-references from 10 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
NSN1650-00-468-1896
Primary Part Number31590
Item NameFilter,fluid
FSC / FSG1650 / 16 — No Item Name Available
ManufacturerPti Technologies Inc.
StatusCANCELLED
Mounting Hole Diameter0.265 INCHES NOMINAL IN
Filtering Element Quantity1
Distance Between Mounting Hole Centers1.250 INCHES NOMINAL IN
MaterialALUMINUM ALLOY SEDIMENT BOWL
First Discharge Connection Relationship to Intake ConnectionIDENTICAL TO FIRST INTAKE CONNECTION
First Intake Thread DirectionRIGHT-HAND
Style DesignatorTEE TYPE (HYDRAULIC)
First Intake Nominal Thread Size0.750 INCHES IN
FSC Application DataFILTER,FLUID PRESSURE HYDRAULIC SYSTEM,ACFT
Operating Pressure3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS
First Intake Thread Class3B
Filtering System for Which DesignedFULL FLOW
First Intake Thread Series DesignatorUNF
First Intake Connection TypeTHREADED INTERNAL TUBE SIDE
Filtering Media DesignRADIAL FINNED SINGLE FILTERING MEDIA RESPONSE
Distance From Bottom of Body to Center of Inlet5.188 INCHES NOMINAL IN
Mounting Hole Quantity2
MaterialPAPER FILTERING MEDIUM
Design TypeREUSABLE
Features ProvidedBY-PASS VALVE
Body Height3.000 INCHES NOMINAL IN
Body Width3.625 INCHES NOMINAL IN
Bracket Quantity1
Mounting TypeUNTHREADED HOLE HEAD SIDE
Body Length6.438 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
1650-00-024-9665 INTERCHANGEABLE
Filter Element,fluid
5340-00-073-310710049313 INTERCHANGEABLE
Clamp,loop
Us Army Aviation and Missile Command
3110-00-100-356931590 INTERCHANGEABLE
Cone and Rollers,tapered Roller
Nsk Corp Bearing Div
5330-00-141-419963X0150 INTERCHANGEABLE
Seal,plain Encased
Garlock Sealing Technologies Llc Dba Garlock Sealing Technologies Llc
1650-00-203-3593 INTERCHANGEABLE
Filter Element,fluid
6635-00-243-5331 INTERCHANGEABLE
Tube Strobe
4330-00-252-0592 INTERCHANGEABLE
Filter Element,fluid
1650-00-277-3274 INTERCHANGEABLE
Filter Element,fluid
4330-00-288-6907 INTERCHANGEABLE
Filter,fluid
6160-00-321-228156-3 INTERCHANGEABLE
Retainer,battery
Mason Electric Co. Dba Mason Controls
Cross-Reference Index
Part NumberManufacturer
31590 Pti Technologies Inc. (USA)
31590 Arvinmeritor Inc (USA)
725658 Lockheed Martin Corporation Div Rms - Mitchel Field (USA)
700277 Aircraft Appliances and Equipment Limited Div Aircraft Appliances and Equipment Ltd. (CAN)
MIL-F-5504 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
569408 Bendix Corp the (USA)
MS28720-8 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
GHN10277-3 Lockheed Martin Corp (USA)
1650PL0701554 Jednolity Indeks Materialowy - Uniform Material Index (POL)
569408 Purolator Facet Inc. Div Parker Aerospace Filtration Division Dba Purolator Facet, in (USA)
50222 Pti Technologies Inc. (USA)
Related Parts
1650-00-024-9665INTERCHANGEABLE
FILTER ELEMENT,FLUID
5340-00-073-3107INTERCHANGEABLE
CLAMP,LOOP
10049313
3110-00-100-3569INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
31590
5330-00-141-4199INTERCHANGEABLE
SEAL,PLAIN ENCASED
63X0150
1650-00-203-3593INTERCHANGEABLE
FILTER ELEMENT,FLUID
6635-00-243-5331INTERCHANGEABLE
TUBE STROBE
4330-00-252-0592INTERCHANGEABLE
FILTER ELEMENT,FLUID
1650-00-277-3274INTERCHANGEABLE
FILTER ELEMENT,FLUID
4330-00-288-6907INTERCHANGEABLE
FILTER,FLUID
6160-00-321-2281INTERCHANGEABLE
RETAINER,BATTERY
56-3
1650-00-407-4288INTERCHANGEABLE
FILTER,FLUID
50222
6220-00-446-1623INTERCHANGEABLE
LIGHT ASSEMBLY,RAMP LOADING
31590

Frequently Asked Questions

What is NSN 1650-00-468-1896?

NSN 1650-00-468-1896 is a Filter,fluid, manufactured by Pti Technologies Inc., classified under FSC 1650 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 1650-00-468-1896?

NSN 1650-00-468-1896 has 11 cross-referenced part numbers: 31590 (Pti Technologies Inc.), 31590 (Arvinmeritor Inc), 725658 (Lockheed Martin Corporation Div Rms - Mitchel Field), 700277 (Aircraft Appliances and Equipment Limited Div Aircraft Appliances and Equipment Ltd.), MIL-F-5504 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M) and 6 more.

What NSN replaces 1650-00-468-1896?

There are 12 known substitutes for 1650-00-468-1896: 1650-00-024-9665, 5340-00-073-3107, 3110-00-100-3569 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 31590?

Key specifications for 31590: Mounting Hole Diameter: 0.265 INCHES NOMINAL IN; Filtering Element Quantity: 1; Distance Between Mounting Hole Centers: 1.250 INCHES NOMINAL IN; Material: ALUMINUM ALLOY SEDIMENT BOWL. 25 total characteristics are documented in the Federal Logistics Information System.

Is NSN 1650-00-468-1896 still in active supply?

NSN 1650-00-468-1896 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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