PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1959-2Parts Kit,air Filter

Howell Laboratories Inc Dba Howell Laboratories Inc · NSN 4330-01-345-5703 · FSC 4330 · No Item Name Available
Verified by PartsTable
NSN 4330-01-345-5703 — this item is cataloged by the U.S. Government under National Stock Number 4330-01-345-5703. Primary manufacturer part number: 1959-2.
Features
  • Parts Kit,air Filter — FSC 4330
  • Component Quantity: 8
  • Supply Items and Quantities: VALVE AND STEM 1,DIAPHRAGM 1,GASKET 1,ADJUSTMENT SPRING 1,ADJUSTMENT SPRING BUTTON 1,VALVE SPRING 1,BOTTOM O-RING 1
  • 1 verified cross-reference
  • Primary manufacturer: Howell Laboratories Inc Dba Howell Laboratories Inc
Applications
  • Fluid filtration and purification
  • Engine intake air cleaning
  • Hydraulic system protection
General Description

The Parts Kit,air Filter, cataloged under National Stock Number 4330-01-345-5703, is classified within Federal Supply Class 4330 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Howell Laboratories Inc Dba Howell Laboratories Inc. Government technical data includes 2 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. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4330-01-345-5703
Primary Part Number1959-2
Item NameParts Kit,air Filter
FSC / FSG4330 / 43 — No Item Name Available
ManufacturerHowell Laboratories Inc Dba Howell Laboratories Inc
StatusACTIVE
Component Quantity8
Supply Items and QuantitiesVALVE AND STEM 1,DIAPHRAGM 1,GASKET 1,ADJUSTMENT SPRING 1,ADJUSTMENT SPRING BUTTON 1,VALVE SPRING 1,BOTTOM O-RING 1
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
3110-01-049-6272 INTERCHANGEABLE
Bearing,ball,annular
5365-01-057-578719592 INTERCHANGEABLE
Shim Set
Saginaw Products Corporation Dba Cignys
4310-01-107-0590 INTERCHANGEABLE
Piston,compressor
5962-01-171-5591932905-113 INTERCHANGEABLE
Microcircuit,memory
Raytheon Company Dba Raytheon
3040-01-630-791219592 INTERCHANGEABLE
Assy,plate,left
Teledyne Flir Unmanned Ground Systems, Inc
Cross-Reference Index
Part NumberManufacturer
1959-2 PRIMARY Howell Laboratories Inc Dba Howell Laboratories Inc (USA)
Related Parts
3110-01-049-6272INTERCHANGEABLE
BEARING,BALL,ANNULAR
5365-01-057-5787INTERCHANGEABLE
SHIM SET
19592
4310-01-107-0590INTERCHANGEABLE
PISTON,COMPRESSOR
5962-01-171-5591INTERCHANGEABLE
MICROCIRCUIT,MEMORY
932905-113
3040-01-630-7912INTERCHANGEABLE
ASSY,PLATE,LEFT
19592

Frequently Asked Questions

What is NSN 4330-01-345-5703?

NSN 4330-01-345-5703 is a Parts Kit,air Filter, manufactured by Howell Laboratories Inc Dba Howell Laboratories Inc, classified under FSC 4330 (No Item Name Available). Status: active.

What are the part numbers for NSN 4330-01-345-5703?

NSN 4330-01-345-5703 has 1 cross-referenced part number: 1959-2 (Howell Laboratories Inc Dba Howell Laboratories Inc).

What NSN replaces 4330-01-345-5703?

There are 5 known substitutes for 4330-01-345-5703: 3110-01-049-6272, 5365-01-057-5787, 4310-01-107-0590 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1959-2?

Key specifications for 1959-2: Component Quantity: 8; Supply Items and Quantities: VALVE AND STEM 1,DIAPHRAGM 1,GASKET 1,ADJUSTMENT SPRING 1,ADJUSTMENT SPRING BUTTON 1,VALVE SPRING 1,BOTTOM O-RING 1. 2 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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