PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1206-390-Z3CStud,turnlock Fastener

Southco Inc · NSN 5325-00-281-5087 · FSC 5325 · No Item Name Available
Verified by PartsTable
NSN 5325-00-281-5087 — this item is cataloged by the U.S. Government under National Stock Number 5325-00-281-5087. Primary manufacturer part number: 1206-390-Z3C.
Features
  • Stud,turnlock Fastener — FSC 5325
  • Surface Treatment: CADMIUM OVERALL
  • Shank Neck Length: 0.100 INCHES NOMINAL IN
  • Turnlock Stud Shank Style: STUD SHANK
  • Drive Type: SLOTTED
  • Material: STEEL OVERALL
  • Turnlock Stud Head Style: FLAT COUNTERSUNK
  • Stud Shank Major Diameter: 0.188 INCHES NOMINAL IN
Applications
  • Applications requiring Steel Overall construction
General Description

The Stud,turnlock Fastener, cataloged under National Stock Number 5325-00-281-5087, 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 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: Cancelled.

Technical Specifications
ParameterValue
NSN5325-00-281-5087
Primary Part Number1206-390-Z3C
Item NameStud,turnlock Fastener
FSC / FSG5325 / 53 — No Item Name Available
ManufacturerSouthco Inc
StatusCANCELLED
Surface TreatmentCADMIUM OVERALL
Shank Neck Length0.100 INCHES NOMINAL IN
Turnlock Stud Shank StyleSTUD SHANK
Drive TypeSLOTTED
MaterialSTEEL OVERALL
Turnlock Stud Head StyleFLAT COUNTERSUNK
Stud Shank Major Diameter0.188 INCHES NOMINAL IN
Diameter0.312 INCHES NOMINAL IN
Material Accommodated Thickness0.765 INCHES MINIMUM AND 0.790 INCHES MAXIMUM IN
Grip Length0.900 INCHES NOMINAL IN
Nondefinitive Spec/std Data1 TYPE AND 1 STYLE AND A CLASS AND B CLASS AND 2 SIZE
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 2
8345-00-130-28925-1-17 INTERCHANGEABLE
Flag,national
Army Institute of Heraldry This Is an Original Design Activity Not a Mfr
8345-01-007-9131 INTERCHANGEABLE
Flag,individual
Cross-Reference Index
Part NumberManufacturer
1206-390-Z3C PRIMARY Southco Inc (USA)
F3-90 Southco Inc (USA)
Related Parts
8345-00-130-2892INTERCHANGEABLE
FLAG,NATIONAL
5-1-17
8345-01-007-9131INTERCHANGEABLE
FLAG,INDIVIDUAL

Frequently Asked Questions

What is NSN 5325-00-281-5087?

NSN 5325-00-281-5087 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 5325-00-281-5087?

NSN 5325-00-281-5087 has 2 cross-referenced part numbers: 1206-390-Z3C (Southco Inc), F3-90 (Southco Inc).

What NSN replaces 5325-00-281-5087?

There are 2 known substitutes for 5325-00-281-5087: 8345-00-130-2892, 8345-01-007-9131. Verify interchangeability with system specifications before substitution.

What are the specifications of 1206-390-Z3C?

Key specifications for 1206-390-Z3C: Surface Treatment: CADMIUM OVERALL; Shank Neck Length: 0.100 INCHES NOMINAL IN; Turnlock Stud Shank Style: STUD SHANK; Drive Type: SLOTTED. 11 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5325-00-281-5087 still in active supply?

NSN 5325-00-281-5087 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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