PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1201-325-Z3CStud,turnlock Fastener

Southco Inc · NSN 5325-01-399-7681 · FSC 5325 · No Item Name Available
Verified by PartsTable
NSN 5325-01-399-7681 — this item is cataloged by the U.S. Government under National Stock Number 5325-01-399-7681. Primary manufacturer part number: 1201-325-Z3C.
Features
  • Stud,turnlock Fastener — FSC 5325
  • Surface Treatment: CADMIUM OVERALL
  • Stud Shank Major Diameter: 0.188 INCHES NOMINAL IN
  • Grip Length: 0.250 INCHES NOMINAL IN
  • Material: STEEL OVERALL
  • 2 verified cross-references
  • Primary manufacturer: Southco Inc
Applications
  • Applications requiring Steel Overall construction
General Description

The Stud,turnlock Fastener, cataloged under National Stock Number 5325-01-399-7681, 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 4 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. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5325-01-399-7681
Primary Part Number1201-325-Z3C
Item NameStud,turnlock Fastener
FSC / FSG5325 / 53 — No Item Name Available
ManufacturerSouthco Inc
StatusACTIVE
Surface TreatmentCADMIUM OVERALL
Stud Shank Major Diameter0.188 INCHES NOMINAL IN
Grip Length0.250 INCHES NOMINAL IN
MaterialSTEEL OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
4730-00-265-69093B9395 INTERCHANGEABLE
Nipple,tube
Caterpillar Inc Div Caterpillar Defense
4730-00-277-69882060-4-4B INTERCHANGEABLE
Nipple,tube
Marison Industries Inc Barco Div
5998-00-491-6115BP4363 INTERCHANGEABLE
Circuit Card Assembly
Burke Products Inc
4130-00-609-3803A325 INTERCHANGEABLE
Roller,sliding Door
Sypris Electronics, Llc
5315-00-619-7591A3-25 INTERCHANGEABLE
Pin,straight,headless
Roller Bearing Co of America, Inc Div Pic Design
1680-00-765-7601A325 INTERCHANGEABLE
Lock and Release As
Marathonnorco Aerospace, Inc.
3455-01-029-84201-1741-1000 INTERCHANGEABLE
Cutter,milling,end
New York Twist Drill Inc
Cross-Reference Index
Part NumberManufacturer
A3-25 Southco Inc (USA)
1201-325-Z3C PRIMARY Southco Inc (USA)
Related Parts
4730-00-265-6909INTERCHANGEABLE
NIPPLE,TUBE
3B9395
4730-00-277-6988INTERCHANGEABLE
NIPPLE,TUBE
2060-4-4B
5998-00-491-6115INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
BP4363
4130-00-609-3803INTERCHANGEABLE
ROLLER,SLIDING DOOR
A325
5315-00-619-7591INTERCHANGEABLE
PIN,STRAIGHT,HEADLESS
A3-25
1680-00-765-7601INTERCHANGEABLE
LOCK AND RELEASE AS
A325
3455-01-029-8420INTERCHANGEABLE
CUTTER,MILLING,END
1-1741-1000

Frequently Asked Questions

What is NSN 5325-01-399-7681?

NSN 5325-01-399-7681 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 5325-01-399-7681?

NSN 5325-01-399-7681 has 2 cross-referenced part numbers: A3-25 (Southco Inc), 1201-325-Z3C (Southco Inc).

What NSN replaces 5325-01-399-7681?

There are 7 known substitutes for 5325-01-399-7681: 4730-00-265-6909, 4730-00-277-6988, 5998-00-491-6115 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1201-325-Z3C?

Key specifications for 1201-325-Z3C: Surface Treatment: CADMIUM OVERALL; Stud Shank Major Diameter: 0.188 INCHES NOMINAL IN; Grip Length: 0.250 INCHES NOMINAL IN; Material: STEEL OVERALL. 4 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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