PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1201-635-Z3CStud,turnlock Fastener

Southco Inc · NSN 5325-00-449-3170 · FSC 5325 · No Item Name Available
Verified by PartsTable
NSN 5325-00-449-3170 — this item is cataloged by the U.S. Government under National Stock Number 5325-00-449-3170. Primary manufacturer part number: 1201-635-Z3C.
Features
  • Stud,turnlock Fastener — FSC 5325
  • Turnlock Stud Head Style: FILLISTER
  • Material: STEEL OVERALL
  • Grip Length: 0.340 INCHES MINIMUM AND 0.360 INCHES MAXIMUM IN
  • Turnlock Stud Shank Style: STUD SHANK
  • Drive Type: SLOTTED
  • Material Accommodated Thickness: 0.215 INCHES MINIMUM AND 0.240 INCHES MAXIMUM IN
  • Stud Shank Major Diameter: 0.370 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
Applications
  • Applications requiring Steel Overall construction
General Description

The Stud,turnlock Fastener, cataloged under National Stock Number 5325-00-449-3170, 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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5325-00-449-3170
Primary Part Number1201-635-Z3C
Item NameStud,turnlock Fastener
FSC / FSG5325 / 53 — No Item Name Available
ManufacturerSouthco Inc
StatusCANCELLED
Turnlock Stud Head StyleFILLISTER
MaterialSTEEL OVERALL
Grip Length0.340 INCHES MINIMUM AND 0.360 INCHES MAXIMUM IN
Turnlock Stud Shank StyleSTUD SHANK
Drive TypeSLOTTED
Material Accommodated Thickness0.215 INCHES MINIMUM AND 0.240 INCHES MAXIMUM IN
Stud Shank Major Diameter0.370 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
Diameter0.625 INCHES NOMINAL IN
Surface TreatmentCADMIUM OVERALL
Shank Neck Length0.115 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 4
5999-00-035-8705BP4850 INTERCHANGEABLE
Contact,electrical
Burke Products Inc
2530-00-164-3314A635 INTERCHANGEABLE
Clamp
Am General Llc
5325-00-248-6695A635 INTERCHANGEABLE
Eyelet,metallic
Edwin B. Stimpson Company, Inc. Dba Stimpson
5950-01-271-8506242-0595-080 INTERCHANGEABLE
Coil,radio Frequency
Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
Cross-Reference Index
Part NumberManufacturer
A6-35 Southco Inc (USA)
1201-635-Z3C PRIMARY Southco Inc (USA)
Related Parts
5999-00-035-8705INTERCHANGEABLE
CONTACT,ELECTRICAL
BP4850
2530-00-164-3314INTERCHANGEABLE
CLAMP
A635
5325-00-248-6695INTERCHANGEABLE
EYELET,METALLIC
A635
5950-01-271-8506INTERCHANGEABLE
COIL,RADIO FREQUENCY
242-0595-080

Frequently Asked Questions

What is NSN 5325-00-449-3170?

NSN 5325-00-449-3170 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 5325-00-449-3170?

NSN 5325-00-449-3170 has 2 cross-referenced part numbers: A6-35 (Southco Inc), 1201-635-Z3C (Southco Inc).

What NSN replaces 5325-00-449-3170?

There are 4 known substitutes for 5325-00-449-3170: 5999-00-035-8705, 2530-00-164-3314, 5325-00-248-6695 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1201-635-Z3C?

Key specifications for 1201-635-Z3C: Turnlock Stud Head Style: FILLISTER; Material: STEEL OVERALL; Grip Length: 0.340 INCHES MINIMUM AND 0.360 INCHES MAXIMUM IN; Turnlock Stud Shank Style: STUD SHANK. 10 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5325-00-449-3170 still in active supply?

NSN 5325-00-449-3170 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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