PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1A-2BShrinking and Stretching Machine

Marchant Machine Corporation Dba Manufacturers of Metal Forming Machine · NSN 3441-00-572-6456 · FSC 3441 · No Item Name Available
Verified by PartsTable
NSN 3441-00-572-6456 — this item is cataloged by the U.S. Government under National Stock Number 3441-00-572-6456. Primary manufacturer part number: 1A-2B.
Features
  • Shrinking and Stretching Machine — FSC 3441
  • General Characteristics Item Description: AIR OPERATED,SEMI-PORTABLE,20 IN. LG,9 IN. DEEP,9 IN. W,1 IN. THROAT GAP,80-125 PSI REQUIRED AIR PRESSURE IN
  • 5 verified cross-references
  • Primary manufacturer: Marchant Machine Corporation Dba Manufacturers of Metal Forming Machine
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Shrinking and Stretching Machine, cataloged under National Stock Number 3441-00-572-6456, is classified within Federal Supply Class 3441 (No Item Name Available) of the Metalworking Machinery (continued) group. The primary manufacturer of record is Marchant Machine Corporation Dba Manufacturers of Metal Forming Machine. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3441-00-572-6456
Primary Part Number1A-2B
Item NameShrinking and Stretching Machine
FSC / FSG3441 / 34 — No Item Name Available
ManufacturerMarchant Machine Corporation Dba Manufacturers of Metal Forming Machine
StatusACTIVE
General Characteristics Item DescriptionAIR OPERATED,SEMI-PORTABLE,20 IN. LG,9 IN. DEEP,9 IN. W,1 IN. THROAT GAP,80-125 PSI REQUIRED AIR PRESSURE IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
3441-00-528-9062 INTERCHANGEABLE
Shrinking and Stretching Machine
5355-00-842-3111MS91528-1A2B INTERCHANGEABLE
Knob
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
Cross-Reference Index
Part NumberManufacturer
R40M751 Naval Inventory Control Point (USA)
MIL-S-45860 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
1A-2B PRIMARY Marchant Machine Corporation Dba Manufacturers of Metal Forming Machine (USA)
1ASP2B Marchant Machine Corporation Dba Manufacturers of Metal Forming Machine (USA)
3441-6341-9030 Defense Supply Center Richmond Industrial Plant Equipment /dla/ (USA)
Related Parts
3441-00-528-9062INTERCHANGEABLE
SHRINKING AND STRETCHING MACHINE
5355-00-842-3111INTERCHANGEABLE
KNOB
MS91528-1A2B

Frequently Asked Questions

What is NSN 3441-00-572-6456?

NSN 3441-00-572-6456 is a Shrinking and Stretching Machine, manufactured by Marchant Machine Corporation Dba Manufacturers of Metal Forming Machine, classified under FSC 3441 (No Item Name Available). Status: active.

What are the part numbers for NSN 3441-00-572-6456?

NSN 3441-00-572-6456 has 5 cross-referenced part numbers: R40M751 (Naval Inventory Control Point), MIL-S-45860 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 1A-2B (Marchant Machine Corporation Dba Manufacturers of Metal Forming Machine), 1ASP2B (Marchant Machine Corporation Dba Manufacturers of Metal Forming Machine), 3441-6341-9030 (Defense Supply Center Richmond Industrial Plant Equipment /dla/).

What NSN replaces 3441-00-572-6456?

There are 2 known substitutes for 3441-00-572-6456: 3441-00-528-9062, 5355-00-842-3111. Verify interchangeability with system specifications before substitution.

What are the specifications of 1A-2B?

Key specifications for 1A-2B: General Characteristics Item Description: AIR OPERATED,SEMI-PORTABLE,20 IN. LG,9 IN. DEEP,9 IN. W,1 IN. THROAT GAP,80-125 PSI REQUIRED AIR PRESSURE IN; Special Features: MACHINE IS EQUIPPED WITH AN AIR PRESSURE SAFETY VALVE SET TO RELEASE AT 125 PSI TO PREVENT DAMAGE TO THE MACHINE DUE TO AN OVERLOAK; SPECIAL REMOTE-CONTROL FOOT PEDAL IS AVAILABLE WHEN SPECIFIED; FULL RANGE OF MACHINE WILL HANDLE WORK THICKNESSES UP TO AND INCLUDING 0.188 IN. FURNISHED WITH MACHINE IS ONE SET OF THE STANDARD JAWS FOR WORK UP TO 0.125 IN. THICK AND IDENTIFIED BY THE ONE DOT ON THEIR SIDES; OPTIONAL JAWS FOR WORK FROM 0.094 IN. TO 0.188 IN., IDENTIFIED BY TWO DOTS, ARE AVAILABLE IN. 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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