PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

5-0-280AStud,turnlock Fastener

Southco Inc New York Div · NSN 5325-00-286-5545 · FSC 5325 · No Item Name Available
Verified by PartsTable
NSN 5325-00-286-5545 — this item is cataloged by the U.S. Government under National Stock Number 5325-00-286-5545. Primary manufacturer part number: 5-0-280A.
Features
  • Stud,turnlock Fastener — FSC 5325
  • Shank Neck Length: 0.385 INCHES MINIMUM AND 0.395 INCHES MAXIMUM IN
  • Surface Treatment: CADMIUM OVERALL
  • Material: STEEL OVERALL
  • Material Accommodated Thickness: 0.270 INCHES MINIMUM AND 0.289 INCHES MAXIMUM IN
  • Grip Length: 0.535 INCHES MINIMUM AND 0.545 INCHES MAXIMUM IN
  • Turnlock Stud Shank Style: STUD SHANK
  • Stud Shank Major Diameter: 0.290 INCHES NOMINAL IN
Applications
  • Applications requiring Steel Overall construction
General Description

The Stud,turnlock Fastener, cataloged under National Stock Number 5325-00-286-5545, 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 New York Div. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5325-00-286-5545
Primary Part Number5-0-280A
Item NameStud,turnlock Fastener
FSC / FSG5325 / 53 — No Item Name Available
ManufacturerSouthco Inc New York Div
StatusCANCELLED
Shank Neck Length0.385 INCHES MINIMUM AND 0.395 INCHES MAXIMUM IN
Surface TreatmentCADMIUM OVERALL
MaterialSTEEL OVERALL
Material Accommodated Thickness0.270 INCHES MINIMUM AND 0.289 INCHES MAXIMUM IN
Grip Length0.535 INCHES MINIMUM AND 0.545 INCHES MAXIMUM IN
Turnlock Stud Shank StyleSTUD SHANK
Stud Shank Major Diameter0.290 INCHES NOMINAL IN
Diameter0.562 INCHES NOMINAL IN
Drive TypeSLOTTED
Turnlock Stud Head StyleFILLISTER
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 7
2995-00-560-2707511008 INTERCHANGEABLE
Nut,centrifugal Cut
Hamilton Sundstrand Corporation Dba Collins Aerospace
4820-00-919-8392A50280 INTERCHANGEABLE
Seat,valve
Leslie Controls, Inc. Dba Leslie Controls Inc
5325-00-944-769185-11-280-17 INTERCHANGEABLE
Stud,turnlock Fastener
Southco Inc
5961-01-029-84532887383-1 INTERCHANGEABLE
Transistor
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
2520-01-082-8619114-517 INTERCHANGEABLE
Parts Kit,universal Joint
Rockford Powertrain Inc Div Powertrain Rockford, Inc.
5325-01-388-429785-11-280-16 INTERCHANGEABLE
Stud,turnlock Fastener
Southco Inc
5975-01-723-11095028-0 INTERCHANGEABLE
Cover,conduit Outlet
Hubbell-Raco Inc
Cross-Reference Index
Part NumberManufacturer
5-0-280 Southco Inc New York Div (USA)
1071175 Allied-Signal Inc Dba Allied-Signal Aerospace Co Electrodynamics Div (USA)
721699-090 Raytheon Company Dba Raytheon (USA)
1071175 Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road) (USA)
5-0-280 Southco Inc (USA)
85-11-280-16 Southco Inc (USA)
5-0-280A PRIMARY Southco Inc New York Div (USA)
511008 Avtron Aerospace Inc (USA)
Related Parts
2995-00-560-2707INTERCHANGEABLE
NUT,CENTRIFUGAL CUT
511008
4820-00-919-8392INTERCHANGEABLE
SEAT,VALVE
A50280
5325-00-944-7691INTERCHANGEABLE
STUD,TURNLOCK FASTENER
85-11-280-17
5961-01-029-8453INTERCHANGEABLE
TRANSISTOR
2887383-1
2520-01-082-8619INTERCHANGEABLE
PARTS KIT,UNIVERSAL JOINT
114-517
5325-01-388-4297INTERCHANGEABLE
STUD,TURNLOCK FASTENER
85-11-280-16
5975-01-723-1109INTERCHANGEABLE
COVER,CONDUIT OUTLET
5028-0

Frequently Asked Questions

What is NSN 5325-00-286-5545?

NSN 5325-00-286-5545 is a Stud,turnlock Fastener, manufactured by Southco Inc New York Div, classified under FSC 5325 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5325-00-286-5545?

NSN 5325-00-286-5545 has 8 cross-referenced part numbers: 5-0-280 (Southco Inc New York Div), 1071175 (Allied-Signal Inc Dba Allied-Signal Aerospace Co Electrodynamics Div), 721699-090 (Raytheon Company Dba Raytheon), 1071175 (Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road)), 5-0-280 (Southco Inc) and 3 more.

What NSN replaces 5325-00-286-5545?

There are 7 known substitutes for 5325-00-286-5545: 2995-00-560-2707, 4820-00-919-8392, 5325-00-944-7691 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 5-0-280A?

Key specifications for 5-0-280A: Shank Neck Length: 0.385 INCHES MINIMUM AND 0.395 INCHES MAXIMUM IN; Surface Treatment: CADMIUM OVERALL; Material: STEEL OVERALL; Material Accommodated Thickness: 0.270 INCHES MINIMUM AND 0.289 INCHES MAXIMUM IN. 10 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5325-00-286-5545 still in active supply?

NSN 5325-00-286-5545 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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