PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

520-42Punch,upset

Phi · NSN 3441-01-329-5260 · FSC 3441 · No Item Name Available
Verified by PartsTable
NSN 3441-01-329-5260 — this item is cataloged by the U.S. Government under National Stock Number 3441-01-329-5260. Primary manufacturer part number: 520-42.
Features
  • Punch,upset — FSC 3441
  • General Characteristics Item Description: TUBE O.D. IN. 1.250; WALL THICKNESS 0.042 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 3441-01-329-5260, 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. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3441-01-329-5260
Primary Part Number520-42
Item NamePunch,upset
FSC / FSG3441 / 34 — No Item Name Available
ManufacturerPhi
StatusACTIVE
General Characteristics Item DescriptionTUBE O.D. IN. 1.250; WALL THICKNESS 0.042 IN. IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5945-00-012-860515QA5D INTERCHANGEABLE
Relay,electromagnetic
Se Relays Llc (magnecraft) Div Se Relays Llc (magnecraft)
5330-01-310-5912AR240775 INTERCHANGEABLE
Seal,plain
Saint-Gobain Performance Plastics Corporation Div Omniseal Solutions
6515-01-319-8231 INTERCHANGEABLE
Regulator Assembly,cryosurgical
4820-01-439-612652042 INTERCHANGEABLE
Regulator,compressed Gas
Cooper Surgical
4730-01-493-881452042 INTERCHANGEABLE
Hose Assy,egw Retur
Electro Impulse Laboratory Inc Dba Electro Impulse Inc
8520-01-521-8851122982 INTERCHANGEABLE
Hand Cleaner
State Industrial Products Corp Dba State Industrial Products Div State Chemical Solutions
5940-01-674-152152042 INTERCHANGEABLE
Terminal,lug
Te Connectivity Corporation
Cross-Reference Index
Part NumberManufacturer
520-42 PRIMARY Phi (USA)
Related Parts
5945-00-012-8605INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
15QA5D
5330-01-310-5912INTERCHANGEABLE
SEAL,PLAIN
AR240775
6515-01-319-8231INTERCHANGEABLE
REGULATOR ASSEMBLY,CRYOSURGICAL
4820-01-439-6126INTERCHANGEABLE
REGULATOR,COMPRESSED GAS
52042
4730-01-493-8814INTERCHANGEABLE
HOSE ASSY,EGW RETUR
52042
8520-01-521-8851INTERCHANGEABLE
HAND CLEANER
122982
5940-01-674-1521INTERCHANGEABLE
TERMINAL,LUG
52042

Frequently Asked Questions

What is NSN 3441-01-329-5260?

NSN 3441-01-329-5260 is a Punch,upset, manufactured by Phi, classified under FSC 3441 (No Item Name Available). Status: active.

What are the part numbers for NSN 3441-01-329-5260?

NSN 3441-01-329-5260 has 1 cross-referenced part number: 520-42 (Phi).

What NSN replaces 3441-01-329-5260?

There are 7 known substitutes for 3441-01-329-5260: 5945-00-012-8605, 5330-01-310-5912, 6515-01-319-8231 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 520-42?

Key specifications for 520-42: General Characteristics Item Description: TUBE O.D. IN. 1.250; WALL THICKNESS 0.042 IN. IN. 1 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com