PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

520-28Punch,upset

Phi · NSN 3441-01-329-5269 · FSC 3441 · No Item Name Available
Verified by PartsTable
NSN 3441-01-329-5269 — this item is cataloged by the U.S. Government under National Stock Number 3441-01-329-5269. Primary manufacturer part number: 520-28.
Features
  • Punch,upset — FSC 3441
  • General Characteristics Item Description: TUBE O.D. IN. 1.250; WALL THICKNESS 0.028 IN. IN
  • 1 verified cross-reference
  • Primary manufacturer: Phi
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Punch,upset, cataloged under National Stock Number 3441-01-329-5269, is classified within Federal Supply Class 3441 (No Item Name Available) of the Metalworking Machinery (continued) group. The primary manufacturer of record is Phi. Government technical data includes 1 verified specification, 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
NSN3441-01-329-5269
Primary Part Number520-28
Item NamePunch,upset
FSC / FSG3441 / 34 — No Item Name Available
ManufacturerPhi
StatusACTIVE
General Characteristics Item DescriptionTUBE O.D. IN. 1.250; WALL THICKNESS 0.028 IN. IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
3455-00-194-052310230 INTERCHANGEABLE
Cutter,milling,plain
Niagara Cutter Inc
6210-00-270-473652028 INTERCHANGEABLE
Fixture,lighting
L3harris Technologies, Inc Div Space & Airborne Systems
6680-01-162-504613226E8435 INTERCHANGEABLE
Flowmeter,feed Flow
Cecom Lr Center
5835-01-199-0959 INTERCHANGEABLE
Plate,head Mounting
5930-01-461-130952028 INTERCHANGEABLE
Switch Assembly
Naval Air Warfare Ctr Aircraft Div
Cross-Reference Index
Part NumberManufacturer
520-28 PRIMARY Phi (USA)
Related Parts
3455-00-194-0523INTERCHANGEABLE
CUTTER,MILLING,PLAIN
10230
6210-00-270-4736INTERCHANGEABLE
FIXTURE,LIGHTING
52028
6680-01-162-5046INTERCHANGEABLE
FLOWMETER,FEED FLOW
13226E8435
5835-01-199-0959INTERCHANGEABLE
PLATE,HEAD MOUNTING
5930-01-461-1309INTERCHANGEABLE
SWITCH ASSEMBLY
52028

Frequently Asked Questions

What is NSN 3441-01-329-5269?

NSN 3441-01-329-5269 is a Punch,upset, manufactured by Phi, classified under FSC 3441 (No Item Name Available). Status: active.

What are the part numbers for NSN 3441-01-329-5269?

NSN 3441-01-329-5269 has 1 cross-referenced part number: 520-28 (Phi).

What NSN replaces 3441-01-329-5269?

There are 5 known substitutes for 3441-01-329-5269: 3455-00-194-0523, 6210-00-270-4736, 6680-01-162-5046 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 520-28?

Key specifications for 520-28: General Characteristics Item Description: TUBE O.D. IN. 1.250; WALL THICKNESS 0.028 IN. 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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