PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

C91Stud,turnlock Fastener

Andrea Systems Llc · NSN 5325-00-616-4788 · FSC 5325 · No Item Name Available
Verified by PartsTable
NSN 5325-00-616-4788 — this item is cataloged by the U.S. Government under National Stock Number 5325-00-616-4788. Primary manufacturer part number: C91.
Features
  • Stud,turnlock Fastener — FSC 5325
  • Material Accommodated Thickness: 3.546 INCHES NOMINAL IN
  • Material: STEEL OVERALL
  • Drive Type: SLOTTED
  • Surface Treatment: CADMIUM OVERALL
  • Stud Shank Major Diameter: 0.125 INCHES MINIMUM AND 0.129 INCHES MAXIMUM IN
  • Turnlock Stud Head Style: FILLISTER
  • Turnlock Stud Shank Style: STUD SHANK
Applications
  • Applications requiring Steel Overall construction
General Description

The Stud,turnlock Fastener, cataloged under National Stock Number 5325-00-616-4788, is classified within Federal Supply Class 5325 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Andrea Systems Llc. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5325-00-616-4788
Primary Part NumberC91
Item NameStud,turnlock Fastener
FSC / FSG5325 / 53 — No Item Name Available
ManufacturerAndrea Systems Llc
StatusACTIVE
Material Accommodated Thickness3.546 INCHES NOMINAL IN
MaterialSTEEL OVERALL
Drive TypeSLOTTED
Surface TreatmentCADMIUM OVERALL
Stud Shank Major Diameter0.125 INCHES MINIMUM AND 0.129 INCHES MAXIMUM IN
Turnlock Stud Head StyleFILLISTER
Turnlock Stud Shank StyleSTUD SHANK
Grip Length3.396 INCHES MINIMUM AND 3.401 INCHES MAXIMUM IN
Diameter0.302 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
3040-00-759-8831S3300Y-C091 INTERCHANGEABLE
Clamp,hub
Designatronics Incorporated Div Sterling Instruments Div
5950-01-028-6693SM-B-542572 INTERCHANGEABLE
Transformer,audio Frequency
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
3455-01-050-7023159128 INTERCHANGEABLE
File,rotary
Jarvis Cutting Tools Inc
5320-01-154-5658C91 INTERCHANGEABLE
Rivet,solid
Kenworth Truck Co a Div of Paccar Inc
7035-01-169-6551C-91 INTERCHANGEABLE
Eraser,microcircuit
Power Magne-Tech Corp Dba Power Magnetic
6635-01-251-3248 INTERCHANGEABLE
Indicator,flexual Strength
Cross-Reference Index
Part NumberManufacturer
C30-0013 Andrea Electronics Corporation (USA)
C91 PRIMARY Andrea Systems Llc (USA)
C30-0013 Andrea Systems Llc (USA)
C91 Andrea Electronics Corporation (USA)
Related Parts
3040-00-759-8831INTERCHANGEABLE
CLAMP,HUB
S3300Y-C091
5950-01-028-6693INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
SM-B-542572
3455-01-050-7023INTERCHANGEABLE
FILE,ROTARY
159128
5320-01-154-5658INTERCHANGEABLE
RIVET,SOLID
C91
7035-01-169-6551INTERCHANGEABLE
ERASER,MICROCIRCUIT
C-91
6635-01-251-3248INTERCHANGEABLE
INDICATOR,FLEXUAL STRENGTH

Frequently Asked Questions

What is NSN 5325-00-616-4788?

NSN 5325-00-616-4788 is a Stud,turnlock Fastener, manufactured by Andrea Systems Llc, classified under FSC 5325 (No Item Name Available). Status: active.

What are the part numbers for NSN 5325-00-616-4788?

NSN 5325-00-616-4788 has 4 cross-referenced part numbers: C30-0013 (Andrea Electronics Corporation), C91 (Andrea Systems Llc), C30-0013 (Andrea Systems Llc), C91 (Andrea Electronics Corporation).

What NSN replaces 5325-00-616-4788?

There are 6 known substitutes for 5325-00-616-4788: 3040-00-759-8831, 5950-01-028-6693, 3455-01-050-7023 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of C91?

Key specifications for C91: Material Accommodated Thickness: 3.546 INCHES NOMINAL IN; Material: STEEL OVERALL; Drive Type: SLOTTED; Surface Treatment: CADMIUM OVERALL. 9 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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