PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

C422Lock Spring,turnlock Fastener

Andrea Electronics Corporation · NSN 5325-00-171-4680 · FSC 5325 · No Item Name Available
Verified by PartsTable
NSN 5325-00-171-4680 — this item is cataloged by the U.S. Government under National Stock Number 5325-00-171-4680. Primary manufacturer part number: C422.
Features
  • Lock Spring,turnlock Fastener — FSC 5325
  • Material: STEEL OVERALL
  • Surface Treatment: CADMIUM OVERALL
  • Center to Center Distance Between Eyes: 0.625 INCHES NOMINAL IN
  • Eye Diameter: 0.094 INCHES NOMINAL IN
  • Lockspring Overall Height: 0.175 INCHES NOMINAL IN
  • Stock Diameter: 0.045 INCHES NOMINAL IN
  • Lockspring Style: LOCKSPRING
Applications
  • Mechanical energy storage
  • Vibration dampening
  • Return mechanism operation
  • Applications requiring Steel Overall construction
General Description

The Lock Spring,turnlock Fastener, cataloged under National Stock Number 5325-00-171-4680, is classified within Federal Supply Class 5325 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Andrea Electronics Corporation. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 26 commercial cross-references from 20 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5325-00-171-4680
Primary Part NumberC422
Item NameLock Spring,turnlock Fastener
FSC / FSG5325 / 53 — No Item Name Available
ManufacturerAndrea Electronics Corporation
StatusCANCELLED
MaterialSTEEL OVERALL
Surface TreatmentCADMIUM OVERALL
Center to Center Distance Between Eyes0.625 INCHES NOMINAL IN
Eye Diameter0.094 INCHES NOMINAL IN
Lockspring Overall Height0.175 INCHES NOMINAL IN
Stock Diameter0.045 INCHES NOMINAL IN
Lockspring StyleLOCKSPRING
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
3110-00-144-8662 INTERCHANGEABLE
Bearing,ball,annular
5133-00-228-1360 INTERCHANGEABLE
Drill,twist
3895-00-240-720321878 INTERCHANGEABLE
Holder,cable Reel
Egs Electrical Group Appleton Div
3455-00-516-504419838 INTERCHANGEABLE
Reamer,machine
Brown & Sharpe, Inc. Div Precision Measuring Instruments, Tesa Usa
2920-00-592-6576C1551 INTERCHANGEABLE
Coil,magneto
Wells Mfg Corp Sub of Uis Inc
5342-00-652-9794SM-B-157410GP1 INTERCHANGEABLE
Bracket
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5325-00-823-5639012-1003-000 INTERCHANGEABLE
Lock Spring,turnlock Fastener
Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
5935-00-934-27982624943 INTERCHANGEABLE
Connector,plug,electrical
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
6640-01-017-345553175 INTERCHANGEABLE
Pan,laboratory
United States Plastic Corp
4810-01-050-9207422S3WS2A1 INTERCHANGEABLE
Valve,control
Barksdale, Inc
Cross-Reference Index
Part NumberManufacturer
C422 Andrea Electronics Corporation (USA)
4-27321C Leonardo S.p.a. Security & Information System Division (ITA)
28C800-013 Ail Systems Inc Sub of Eaton Corp (USA)
1512803-001 Harris-Magnavox Systems Co a Joint Venture (USA)
SE175 Southco Inc (USA)
53-175 Southco Inc (USA)
FD-T0044-002 Raytheon E-Systems, Inc (USA)
5360PL0162612 Jednolity Indeks Materialowy - Uniform Material Index (POL)
S235A178-4 Telephonics Corp (USA)
70-107078-3175 General Dynamics Mission Systems, Inc. (USA)
57A5A31-2 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
26373-4 Raytheon Company Dba Raytheon (USA)
891949PC3175 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
S3-175 Southco Inc (USA)
3-02 Belleville Wire Cloth Co Div Belleville Wire Cloth Company, Inc (USA)
8851234 Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Us Army Research, Development and Engineering Command Armament (USA)
21878 Smiths Aerospace, Inc., Electronic Systems-Grand Rapids (USA)
115956-002 Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems (USA)
12003573 Army, United States Department of the Dba Rock Island Arsenal Jmtc (USA)
S3-175 Abb Installation Products Inc (USA)
Related Parts
3110-00-144-8662INTERCHANGEABLE
BEARING,BALL,ANNULAR
5133-00-228-1360INTERCHANGEABLE
DRILL,TWIST
3895-00-240-7203INTERCHANGEABLE
HOLDER,CABLE REEL
21878
3455-00-516-5044INTERCHANGEABLE
REAMER,MACHINE
19838
2920-00-592-6576INTERCHANGEABLE
COIL,MAGNETO
C1551
5342-00-652-9794INTERCHANGEABLE
BRACKET
SM-B-157410GP1
5325-00-823-5639INTERCHANGEABLE
LOCK SPRING,TURNLOCK FASTENER
012-1003-000
5935-00-934-2798INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
2624943
6640-01-017-3455INTERCHANGEABLE
PAN,LABORATORY
53175
4810-01-050-9207INTERCHANGEABLE
VALVE,CONTROL
422S3WS2A1
5930-01-293-8622INTERCHANGEABLE
SWITCH,THERMOSTATIC
21878
3020-01-306-4040INTERCHANGEABLE
GEAR,INTERNAL

Frequently Asked Questions

What is NSN 5325-00-171-4680?

NSN 5325-00-171-4680 is a Lock Spring,turnlock Fastener, manufactured by Andrea Electronics Corporation, classified under FSC 5325 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5325-00-171-4680?

NSN 5325-00-171-4680 has 26 cross-referenced part numbers: C422 (Andrea Electronics Corporation), 4-27321C (Leonardo S.p.a. Security & Information System Division), 28C800-013 (Ail Systems Inc Sub of Eaton Corp), 1512803-001 (Harris-Magnavox Systems Co a Joint Venture), SE175 (Southco Inc) and 21 more.

What NSN replaces 5325-00-171-4680?

There are 12 known substitutes for 5325-00-171-4680: 3110-00-144-8662, 5133-00-228-1360, 3895-00-240-7203 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of C422?

Key specifications for C422: Material: STEEL OVERALL; Surface Treatment: CADMIUM OVERALL; Center to Center Distance Between Eyes: 0.625 INCHES NOMINAL IN; Eye Diameter: 0.094 INCHES NOMINAL IN. 7 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5325-00-171-4680 still in active supply?

NSN 5325-00-171-4680 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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