PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1201-445-Z3CStud,turnlock Fastener

Southco Inc · NSN 5325-00-433-0026 · FSC 5325 · No Item Name Available
Verified by PartsTable
NSN 5325-00-433-0026 — this item is cataloged by the U.S. Government under National Stock Number 5325-00-433-0026. Primary manufacturer part number: 1201-445-Z3C.
Features
  • Stud,turnlock Fastener — FSC 5325
  • Surface Treatment: CADMIUM OVERALL
  • Surface Treatment Document and Classification: QQ-P-416,TY 1,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
  • Stud Shank Major Diameter: 0.250 INCHES NOMINAL IN
  • Grip Length: 0.450 INCHES NOMINAL IN
  • Material Accommodated Thickness: 0.270 INCHES MINIMUM AND 0.290 INCHES MAXIMUM IN
  • Drive Type: SLOTTED
  • Diameter: 0.438 INCHES NOMINAL IN
Applications
  • Applications requiring Steel Comp 8620 Overall construction
General Description

The Stud,turnlock Fastener, cataloged under National Stock Number 5325-00-433-0026, 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 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5325-00-433-0026
Primary Part Number1201-445-Z3C
Item NameStud,turnlock Fastener
FSC / FSG5325 / 53 — No Item Name Available
ManufacturerSouthco Inc
StatusCANCELLED
Surface TreatmentCADMIUM OVERALL
Surface Treatment Document and ClassificationQQ-P-416,TY 1,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
Stud Shank Major Diameter0.250 INCHES NOMINAL IN
Grip Length0.450 INCHES NOMINAL IN
Material Accommodated Thickness0.270 INCHES MINIMUM AND 0.290 INCHES MAXIMUM IN
Drive TypeSLOTTED
Diameter0.438 INCHES NOMINAL IN
Turnlock Stud Shank StyleSTUD SHANK
MaterialSTEEL COMP 8620 OVERALL
Turnlock Stud Head StyleFILLISTER
Shank Neck Length0.080 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 4
5999-00-406-493360762-1 INTERCHANGEABLE
Delay Line
L3harris Technologies, Inc.
4320-00-768-1850A445 INTERCHANGEABLE
No Item Name Available
Circor Naval Solutions Llc Dba Warren Pumps
5342-01-065-9413 INTERCHANGEABLE
Hinge,fence Gate
5910-01-215-7065A-445 INTERCHANGEABLE
Capacitor,fixed,electrolytic
Vishay Sprague, Inc. Dba Vishay Sprague Inc
Cross-Reference Index
Part NumberManufacturer
1201-445-Z3C PRIMARY Southco Inc (USA)
A4-45 Southco Inc (USA)
FA1246 Northrop Grumman Systems Corp Dba Northrop Grumman Systems Corp (USA)
012-1006-000 Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (USA)
64A94B32 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
012-1006-00 Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (USA)
Related Parts
5999-00-406-4933INTERCHANGEABLE
DELAY LINE
60762-1
4320-00-768-1850INTERCHANGEABLE
NO ITEM NAME AVAILABLE
A445
5342-01-065-9413INTERCHANGEABLE
HINGE,FENCE GATE
5910-01-215-7065INTERCHANGEABLE
CAPACITOR,FIXED,ELECTROLYTIC
A-445

Frequently Asked Questions

What is NSN 5325-00-433-0026?

NSN 5325-00-433-0026 is a Stud,turnlock Fastener, manufactured by Southco Inc, classified under FSC 5325 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5325-00-433-0026?

NSN 5325-00-433-0026 has 6 cross-referenced part numbers: 1201-445-Z3C (Southco Inc), A4-45 (Southco Inc), FA1246 (Northrop Grumman Systems Corp Dba Northrop Grumman Systems Corp), 012-1006-000 (Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems), 64A94B32 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier) and 1 more.

What NSN replaces 5325-00-433-0026?

There are 4 known substitutes for 5325-00-433-0026: 5999-00-406-4933, 4320-00-768-1850, 5342-01-065-9413 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1201-445-Z3C?

Key specifications for 1201-445-Z3C: Surface Treatment: CADMIUM OVERALL; Surface Treatment Document and Classification: QQ-P-416,TY 1,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Stud Shank Major Diameter: 0.250 INCHES NOMINAL IN; Grip Length: 0.450 INCHES NOMINAL IN. 11 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5325-00-433-0026 still in active supply?

NSN 5325-00-433-0026 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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