PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

62448Valve,bypass,filter Element

Pti Technologies Inc. · NSN 4330-01-172-0643 · FSC 4330 · No Item Name Available
Verified by PartsTable
NSN 4330-01-172-0643 — this item is cataloged by the U.S. Government under National Stock Number 4330-01-172-0643. Primary manufacturer part number: 62448.
Features
  • Valve,bypass,filter Element — FSC 4330
  • General Characteristics Item Description: STEEL
  • 4 verified cross-references
  • Primary manufacturer: Pti Technologies Inc.
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Fluid filtration and purification
  • Engine intake air cleaning
General Description

The Valve,bypass,filter Element, cataloged under National Stock Number 4330-01-172-0643, is classified within Federal Supply Class 4330 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Pti Technologies Inc.. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4330-01-172-0643
Primary Part Number62448
Item NameValve,bypass,filter Element
FSC / FSG4330 / 43 — No Item Name Available
ManufacturerPti Technologies Inc.
StatusCANCELLED
General Characteristics Item DescriptionSTEEL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 6
3040-00-337-1389 INTERCHANGEABLE
Shaft,shouldered
2815-00-395-1335 INTERCHANGEABLE
Rod,connecting
4820-01-105-753768066 PIECE 10 INTERCHANGEABLE
Yoke Bushing,valve
William Powell Company, the Dba Powell Valve Div the Starflo Corporation
3110-01-119-4438464923 INTERCHANGEABLE
Bearing,roller,cylindrical
Skf Usa Inc.
4720-01-318-623462447 INTERCHANGEABLE
Tubing,nonmetallic
Nycoil Co
1005-01-371-431062447 INTERCHANGEABLE
Sight,front
Colt's Manufacturing Company, Llc
Cross-Reference Index
Part NumberManufacturer
62447 Pti Technologies Inc. (USA)
PB37871 ITEM 6 Curtiss-Wright Flow Control Corporation Dba Enertech Div Curtiss-Wright Flow Control (USA)
62448 Arvinmeritor Inc (USA)
62448 PRIMARY Pti Technologies Inc. (USA)
Related Parts
3040-00-337-1389INTERCHANGEABLE
SHAFT,SHOULDERED
2815-00-395-1335INTERCHANGEABLE
ROD,CONNECTING
4820-01-105-7537INTERCHANGEABLE
YOKE BUSHING,VALVE
68066 PIECE 10
3110-01-119-4438INTERCHANGEABLE
BEARING,ROLLER,CYLINDRICAL
464923
4720-01-318-6234INTERCHANGEABLE
TUBING,NONMETALLIC
62447
1005-01-371-4310INTERCHANGEABLE
SIGHT,FRONT
62447

Frequently Asked Questions

What is NSN 4330-01-172-0643?

NSN 4330-01-172-0643 is a Valve,bypass,filter Element, manufactured by Pti Technologies Inc., classified under FSC 4330 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4330-01-172-0643?

NSN 4330-01-172-0643 has 4 cross-referenced part numbers: 62447 (Pti Technologies Inc.), PB37871 ITEM 6 (Curtiss-Wright Flow Control Corporation Dba Enertech Div Curtiss-Wright Flow Control), 62448 (Arvinmeritor Inc), 62448 (Pti Technologies Inc.).

What NSN replaces 4330-01-172-0643?

There are 6 known substitutes for 4330-01-172-0643: 3040-00-337-1389, 2815-00-395-1335, 4820-01-105-7537 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 62448?

Key specifications for 62448: General Characteristics Item Description: STEEL. 1 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4330-01-172-0643 still in active supply?

NSN 4330-01-172-0643 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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