PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1206-440-Z3CStud,turnlock Fastener

Southco Inc · NSN 5325-00-449-3063 · FSC 5325 · No Item Name Available
Verified by PartsTable
NSN 5325-00-449-3063 — this item is cataloged by the U.S. Government under National Stock Number 5325-00-449-3063. Primary manufacturer part number: 1206-440-Z3C.
Features
  • Stud,turnlock Fastener — FSC 5325
  • Stud Shank Major Diameter: 0.250 INCHES NOMINAL IN
  • Drive Type: SLOTTED
  • Grip Length: 0.400 INCHES NOMINAL IN
  • Diameter: 0.437 INCHES NOMINAL IN
  • Material Accommodated Thickness: 0.170 INCHES MINIMUM AND 0.190 INCHES MAXIMUM IN
  • Turnlock Stud Head Style: FLAT COUNTERSUNK
  • Material: STEEL OVERALL
Applications
  • Applications requiring Steel Overall construction
General Description

The Stud,turnlock Fastener, cataloged under National Stock Number 5325-00-449-3063, is classified within Federal Supply Class 5325 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Southco Inc. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, 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
NSN5325-00-449-3063
Primary Part Number1206-440-Z3C
Item NameStud,turnlock Fastener
FSC / FSG5325 / 53 — No Item Name Available
ManufacturerSouthco Inc
StatusACTIVE
Stud Shank Major Diameter0.250 INCHES NOMINAL IN
Drive TypeSLOTTED
Grip Length0.400 INCHES NOMINAL IN
Diameter0.437 INCHES NOMINAL IN
Material Accommodated Thickness0.170 INCHES MINIMUM AND 0.190 INCHES MAXIMUM IN
Turnlock Stud Head StyleFLAT COUNTERSUNK
MaterialSTEEL OVERALL
Turnlock Stud Shank StyleSTUD SHANK
Surface TreatmentCADMIUM OVERALL
Shank Neck Length0.150 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
8345-00-130-31498345-00-130-3149 INTERCHANGEABLE
Flagstaff Head
General Services Administration Federal Supply Service
5962-01-084-2831058-001906 INTERCHANGEABLE
Microcircuit,digital
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple
Cross-Reference Index
Part NumberManufacturer
F4-40 Southco Inc (USA)
1206-440-Z3C PRIMARY Southco Inc (USA)
Related Parts
8345-00-130-3149INTERCHANGEABLE
FLAGSTAFF HEAD
8345-00-130-3149
5962-01-084-2831INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
058-001906

Frequently Asked Questions

What is NSN 5325-00-449-3063?

NSN 5325-00-449-3063 is a Stud,turnlock Fastener, manufactured by Southco Inc, classified under FSC 5325 (No Item Name Available). Status: active.

What are the part numbers for NSN 5325-00-449-3063?

NSN 5325-00-449-3063 has 2 cross-referenced part numbers: F4-40 (Southco Inc), 1206-440-Z3C (Southco Inc).

What NSN replaces 5325-00-449-3063?

There are 2 known substitutes for 5325-00-449-3063: 8345-00-130-3149, 5962-01-084-2831. Verify interchangeability with system specifications before substitution.

What are the specifications of 1206-440-Z3C?

Key specifications for 1206-440-Z3C: Stud Shank Major Diameter: 0.250 INCHES NOMINAL IN; Drive Type: SLOTTED; Grip Length: 0.400 INCHES NOMINAL IN; Diameter: 0.437 INCHES NOMINAL IN. 10 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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