PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1219-4200-Z3YLock Spring,turnlock Fastener

Southco Inc · NSN 5325-00-355-8963 · FSC 5325 · No Item Name Available
Verified by PartsTable
NSN 5325-00-355-8963 — this item is cataloged by the U.S. Government under National Stock Number 5325-00-355-8963. Primary manufacturer part number: 1219-4200-Z3Y.
Features
  • Lock Spring,turnlock Fastener — FSC 5325
  • Stock Diameter: 0.062 INCHES NOMINAL IN
  • Lockspring Style: LOCKSPRING
  • Eye Diameter: 0.094 INCHES NOMINAL IN
  • Material: STEEL OVERALL
  • Lockspring Overall Height: 0.200 INCHES NOMINAL IN
  • Center to Center Distance Between Eyes: 0.750 INCHES NOMINAL IN
  • Surface Treatment: CADMIUM OVERALL
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 5325-00-355-8963, 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 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 42 commercial cross-references from 21 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
NSN5325-00-355-8963
Primary Part Number1219-4200-Z3Y
Item NameLock Spring,turnlock Fastener
FSC / FSG5325 / 53 — No Item Name Available
ManufacturerSouthco Inc
StatusCANCELLED
Stock Diameter0.062 INCHES NOMINAL IN
Lockspring StyleLOCKSPRING
Eye Diameter0.094 INCHES NOMINAL IN
MaterialSTEEL OVERALL
Lockspring Overall Height0.200 INCHES NOMINAL IN
Center to Center Distance Between Eyes0.750 INCHES NOMINAL IN
Surface TreatmentCADMIUM OVERALL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5120-00-144-588684869 INTERCHANGEABLE
Plug Alignment
Curtiss-Wright Controls, Inc. Div Actuation Division
6240-00-155-866830410 INTERCHANGEABLE
Lamp,incandescent
Mine Safety Appliances Company
3030-00-193-8122102682-001 INTERCHANGEABLE
Belt,flat
Kaman Aerospace Corporation
2920-00-354-766755615 INTERCHANGEABLE
Flange,generator Motor
H20 Tank Inc U S Motors Div
5962-00-369-7730 INTERCHANGEABLE
Microcircuit,digital
4820-00-375-78584824-3113087PC3 INTERCHANGEABLE
Disk,valve
Naval Sea Systems Command
4720-00-540-61837868-09REVBPC14 INTERCHANGEABLE
Tubing,nonmetallic
Electric Boat Corporation Div General Dynamics Electric Boat
5136-00-580-731654219 INTERCHANGEABLE
Tap,thread Cutting
Tapco Cutting Tools Inc
5305-00-655-6643 INTERCHANGEABLE
Screw,machine
5910-00-702-7293267857-2 INTERCHANGEABLE
Capacitor,variable,air Dielectri
Raytheon Company
Cross-Reference Index
Part NumberManufacturer
713499-13 Raytheon Company Dba Raytheon (USA)
1219-4200-Z3Y PRIMARY Southco Inc (USA)
8486979 PRIMARY Us Army Aviation and Missile Command (USA)
55615 Gte Products Corp Entertainment Products Group (USA)
563-6202-933944PC62 Naval Ship Systems Command (USA)
2800329-1 Honeywell Intl Inc Defense Avionics Systems (USA)
567-6505-982690ALT2PC20 PRIMARY Naval Ship Systems Command (USA)
563-6505-933803A2PC53SPR Naval Ship Systems Command (USA)
417-6505-984927A2PC39SPR PRIMARY Naval Ship Systems Command (USA)
GS580DA8-20 PRIMARY Northrop Grumman Systems Corporation (USA)
563-6505-933904A3PC25SPR PRIMARY Naval Ship Systems Command (USA)
417-6505-984927ALT2PC92 Naval Ship Systems Command (USA)
10-138 PRIMARY Kidde Technologies, Inc Div Kidde Aerospace and Defense (USA)
5800748-24155-052 Hensoldt Sensors Gmbh (DEU)
563-6505-933804A1PC40SPR Naval Ship Systems Command (USA)
57A5A31-5 PRIMARY Naval Air Warfare Center Aircraft Div (USA)
403-6505-984971ALT1PC32 Naval Ship Systems Command (USA)
563-6202-933944PC26SPR PRIMARY Naval Ship Systems Command (USA)
403-6505-984947A2PC39SP Naval Ship Systems Command (USA)
127123-2 Allied Signal Inc Aerospace Equipment Systems Eatontown Site (USA)
Related Parts
5120-00-144-5886INTERCHANGEABLE
PLUG ALIGNMENT
84869
6240-00-155-8668INTERCHANGEABLE
LAMP,INCANDESCENT
30410
3030-00-193-8122INTERCHANGEABLE
BELT,FLAT
102682-001
2920-00-354-7667INTERCHANGEABLE
FLANGE,GENERATOR MOTOR
55615
5962-00-369-7730INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
4820-00-375-7858INTERCHANGEABLE
DISK,VALVE
4824-3113087PC3
4720-00-540-6183INTERCHANGEABLE
TUBING,NONMETALLIC
7868-09REVBPC14
5136-00-580-7316INTERCHANGEABLE
TAP,THREAD CUTTING
54219
5305-00-655-6643INTERCHANGEABLE
SCREW,MACHINE
5910-00-702-7293INTERCHANGEABLE
CAPACITOR,VARIABLE,AIR DIELECTRI
267857-2
5935-00-740-5903INTERCHANGEABLE
SOCKET,PLUG-IN ELECTRONIC COMPON
2510-00-740-9613INTERCHANGEABLE
SPRING ASSEMBLY,LEAF
7409613

Frequently Asked Questions

What is NSN 5325-00-355-8963?

NSN 5325-00-355-8963 is a Lock Spring,turnlock Fastener, manufactured by Southco Inc, classified under FSC 5325 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5325-00-355-8963?

NSN 5325-00-355-8963 has 42 cross-referenced part numbers: 713499-13 (Raytheon Company Dba Raytheon), 1219-4200-Z3Y (Southco Inc), 8486979 (Us Army Aviation and Missile Command), 55615 (Gte Products Corp Entertainment Products Group), 563-6202-933944PC62 (Naval Ship Systems Command) and 37 more.

What NSN replaces 5325-00-355-8963?

There are 12 known substitutes for 5325-00-355-8963: 5120-00-144-5886, 6240-00-155-8668, 3030-00-193-8122 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1219-4200-Z3Y?

Key specifications for 1219-4200-Z3Y: Stock Diameter: 0.062 INCHES NOMINAL IN; Lockspring Style: LOCKSPRING; Eye Diameter: 0.094 INCHES NOMINAL IN; Material: STEEL OVERALL. 7 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5325-00-355-8963 still in active supply?

NSN 5325-00-355-8963 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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