PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

5100-00Pin Set,pipe Flange

Mathey Intl Ltd · NSN 3439-00-446-1188 · FSC 3439 · No Item Name Available
Verified by PartsTable
NSN 3439-00-446-1188 — this item is cataloged by the U.S. Government under National Stock Number 3439-00-446-1188. Primary manufacturer part number: 5100-00.
Features
  • Pin Set,pipe Flange — FSC 3439
  • General Characteristics Item Description: FLANGE LINEUP PINS FOR STEEL WELDING
  • 1 verified cross-reference
  • Primary manufacturer: Mathey Intl Ltd
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
General Description

The Pin Set,pipe Flange, cataloged under National Stock Number 3439-00-446-1188, is classified within Federal Supply Class 3439 (No Item Name Available) of the Metalworking Machinery (continued) group. The primary manufacturer of record is Mathey Intl Ltd. 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3439-00-446-1188
Primary Part Number5100-00
Item NamePin Set,pipe Flange
FSC / FSG3439 / 34 — No Item Name Available
ManufacturerMathey Intl Ltd
StatusACTIVE
General Characteristics Item DescriptionFLANGE LINEUP PINS FOR STEEL WELDING
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5950-00-070-7644 INTERCHANGEABLE
Coil,radio Frequency
5962-00-879-6407330306 INTERCHANGEABLE
Microcircuit,linear
Bae Systems Information and Electronic Systems Integration Inc.
4240-01-365-9538550030S INTERCHANGEABLE
Facepiece,breathing Equipment
Honeywell Safety Products Usa, Inc.
Cross-Reference Index
Part NumberManufacturer
5100-00 PRIMARY Mathey Intl Ltd (USA)
Related Parts
5950-00-070-7644INTERCHANGEABLE
COIL,RADIO FREQUENCY
5962-00-879-6407INTERCHANGEABLE
MICROCIRCUIT,LINEAR
330306
4240-01-365-9538INTERCHANGEABLE
FACEPIECE,BREATHING EQUIPMENT
550030S

Frequently Asked Questions

What is NSN 3439-00-446-1188?

NSN 3439-00-446-1188 is a Pin Set,pipe Flange, manufactured by Mathey Intl Ltd, classified under FSC 3439 (No Item Name Available). Status: active.

What are the part numbers for NSN 3439-00-446-1188?

NSN 3439-00-446-1188 has 1 cross-referenced part number: 5100-00 (Mathey Intl Ltd).

What NSN replaces 3439-00-446-1188?

There are 3 known substitutes for 3439-00-446-1188: 5950-00-070-7644, 5962-00-879-6407, 4240-01-365-9538. Verify interchangeability with system specifications before substitution.

What are the specifications of 5100-00?

Key specifications for 5100-00: General Characteristics Item Description: FLANGE LINEUP PINS FOR STEEL WELDING. 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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