PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1028571-1Stud Assembly,turnlock Fastener

Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier · NSN 5325-00-025-0032 · FSC 5325 · No Item Name Available
Verified by PartsTable
NSN 5325-00-025-0032 — this item is cataloged by the U.S. Government under National Stock Number 5325-00-025-0032. Primary manufacturer part number: 1028571-1.
Features
  • Stud Assembly,turnlock Fastener — FSC 5325
  • Turnlock Stud Head Style: FILLISTER COUNTERSUNK
  • Eyelet Length: 0.531 INCHES NOMINAL IN
  • Eyelet Outside Diameter: 0.312 INCHES NOMINAL IN
  • Stud Head Height: 0.220 INCHES NOMINAL IN
  • Distance From Engaging Member to Largest Bearing Surface of Head: 0.312 INCHES NOMINAL IN
  • Drive Type: SLOTTED
  • Stud Assembly Style: STUD ASSEMBLY
Applications
  • Applications requiring Steel Overall construction
General Description

The Stud Assembly,turnlock Fastener, cataloged under National Stock Number 5325-00-025-0032, is classified within Federal Supply Class 5325 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 5 manufacturers, 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
NSN5325-00-025-0032
Primary Part Number1028571-1
Item NameStud Assembly,turnlock Fastener
FSC / FSG5325 / 53 — No Item Name Available
ManufacturerNavair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
StatusCANCELLED
Turnlock Stud Head StyleFILLISTER COUNTERSUNK
Eyelet Length0.531 INCHES NOMINAL IN
Eyelet Outside Diameter0.312 INCHES NOMINAL IN
Stud Head Height0.220 INCHES NOMINAL IN
Distance From Engaging Member to Largest Bearing Surface of Head0.312 INCHES NOMINAL IN
Drive TypeSLOTTED
Stud Assembly StyleSTUD ASSEMBLY
Diameter0.531 INCHES NOMINAL IN
MaterialSTEEL OVERALL
Surface TreatmentCADMIUM OR ZINC OVERALL
Material Accommodated Thickness0.025 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 4
5342-00-757-4050PLGA4160010A INTERCHANGEABLE
Plug
The Lee Co Dba the Lee Co
5985-01-290-7247416-001 INTERCHANGEABLE
Top Antenna
Southwestern Communications
6220-01-415-764241600-1 INTERCHANGEABLE
Panel,indicating,light Transmitt
Fleet Readiness Center East Div Department of Navy
5975-01-604-6211416-001 INTERCHANGEABLE
Panel,electrical-Electronic Equi
Raven Electronics Corp
Cross-Reference Index
Part NumberManufacturer
1028571-1 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
B1300-224PC2 Simmons Fastener Corp an Amfast Corp (USA)
987007PC2 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
41-600-1 Lockheed Martin Corporation Div Rms - Mitchel Field (USA)
1028571PC1 Naval Sea Systems Command (USA)
12Z12207-2 Naval Ordnance Standards (USA)
Related Parts
5342-00-757-4050INTERCHANGEABLE
PLUG
PLGA4160010A
5985-01-290-7247INTERCHANGEABLE
TOP ANTENNA
416-001
6220-01-415-7642INTERCHANGEABLE
PANEL,INDICATING,LIGHT TRANSMITT
41600-1
5975-01-604-6211INTERCHANGEABLE
PANEL,ELECTRICAL-ELECTRONIC EQUI
416-001

Frequently Asked Questions

What is NSN 5325-00-025-0032?

NSN 5325-00-025-0032 is a Stud Assembly,turnlock Fastener, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 5325 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5325-00-025-0032?

NSN 5325-00-025-0032 has 6 cross-referenced part numbers: 1028571-1 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), B1300-224PC2 (Simmons Fastener Corp an Amfast Corp), 987007PC2 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 41-600-1 (Lockheed Martin Corporation Div Rms - Mitchel Field), 1028571PC1 (Naval Sea Systems Command) and 1 more.

What NSN replaces 5325-00-025-0032?

There are 4 known substitutes for 5325-00-025-0032: 5342-00-757-4050, 5985-01-290-7247, 6220-01-415-7642 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1028571-1?

Key specifications for 1028571-1: Turnlock Stud Head Style: FILLISTER COUNTERSUNK; Eyelet Length: 0.531 INCHES NOMINAL IN; Eyelet Outside Diameter: 0.312 INCHES NOMINAL IN; Stud Head Height: 0.220 INCHES NOMINAL IN. 12 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5325-00-025-0032 still in active supply?

NSN 5325-00-025-0032 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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