PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

F3 1/2T12Stud,turnlock Fastener

Southco Inc · NSN 5325-00-195-1438 · FSC 5325 · No Item Name Available
Verified by PartsTable
NSN 5325-00-195-1438 — this item is cataloged by the U.S. Government under National Stock Number 5325-00-195-1438. Primary manufacturer part number: F3 1/2T12.
Features
  • Stud,turnlock Fastener — FSC 5325
  • Material Document and Classification: SAE 2317 ASSN STD 1ST MATERIAL RESPONSE OR AISI FED SPEC 2ND MATERIAL RESPONSE OVERALL
  • Material Accommodated Thickness: 0.111 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN
  • Material: STEEL OR STEEL COMP 8620 OVERALL
  • Surface Treatment: CADMIUM OVERALL
  • Nondefinitive Spec/std Data: 1 TYPE AND A CLASS AND B CLASS AND 1 STYLE AND 2 SIZE
  • Grip Length: 0.350 INCHES NOMINAL IN
  • Turnlock Stud Head Style: FLAT COUNTERSUNK
Applications
  • Applications requiring Steel or Steel Comp 8620 Overall construction
General Description

The Stud,turnlock Fastener, cataloged under National Stock Number 5325-00-195-1438, 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 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 4 manufacturers, 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
NSN5325-00-195-1438
Primary Part NumberF3 1/2T12
Item NameStud,turnlock Fastener
FSC / FSG5325 / 53 — No Item Name Available
ManufacturerSouthco Inc
StatusACTIVE
Material Document and ClassificationSAE 2317 ASSN STD 1ST MATERIAL RESPONSE OR AISI FED SPEC 2ND MATERIAL RESPONSE OVERALL
Material Accommodated Thickness0.111 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN
MaterialSTEEL OR STEEL COMP 8620 OVERALL
Surface TreatmentCADMIUM OVERALL
Nondefinitive Spec/std Data1 TYPE AND A CLASS AND B CLASS AND 1 STYLE AND 2 SIZE
Grip Length0.350 INCHES NOMINAL IN
Turnlock Stud Head StyleFLAT COUNTERSUNK
Diameter0.370 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
Drive TypeSLOTTED
Stud Shank Major Diameter0.212 INCHES MINIMUM AND 0.217 INCHES MAXIMUM IN
Turnlock Stud Shank StyleSTUD SHANK
Surface Treatment Document and ClassificationQQ-P-416,TY 1 CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
Shank Neck Length0.210 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5325-00-286-258750-007F11 INTERCHANGEABLE
Stud,turnlock Fastener
Bell Textron Inc
5325-00-432-98993797 INTERCHANGEABLE
Stud,turnlock Fastener
Hdt Expeditionary Systems Inc
Cross-Reference Index
Part NumberManufacturer
F3 1/2T12 Southco Inc (USA)
F31-2T12 Southco Inc (USA)
MIL-F-5591 National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
50-007F12 Bell Textron Inc (USA)
F35T12 Southco Inc (USA)
NASM5591 National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
MIL-F-5591 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5325-00-286-2587INTERCHANGEABLE
STUD,TURNLOCK FASTENER
50-007F11
5325-00-432-9899INTERCHANGEABLE
STUD,TURNLOCK FASTENER
3797

Frequently Asked Questions

What is NSN 5325-00-195-1438?

NSN 5325-00-195-1438 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 5325-00-195-1438?

NSN 5325-00-195-1438 has 7 cross-referenced part numbers: F3 1/2T12 (Southco Inc), F31-2T12 (Southco Inc), MIL-F-5591 (National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use), 50-007F12 (Bell Textron Inc), F35T12 (Southco Inc) and 2 more.

What NSN replaces 5325-00-195-1438?

There are 2 known substitutes for 5325-00-195-1438: 5325-00-286-2587, 5325-00-432-9899. Verify interchangeability with system specifications before substitution.

What are the specifications of F3 1/2T12?

Key specifications for F3 1/2T12: Material Document and Classification: SAE 2317 ASSN STD 1ST MATERIAL RESPONSE OR AISI FED SPEC 2ND MATERIAL RESPONSE OVERALL; Material Accommodated Thickness: 0.111 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN; Material: STEEL OR STEEL COMP 8620 OVERALL; Surface Treatment: CADMIUM OVERALL. 13 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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