PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21014Lock Ring,connector

Winchester Interconnect Corporation Dba Winchester Interconnect Div Winchester Interconnect · NSN 5342-00-303-8124 · FSC 5342 · Mount,resilient,weapon System
Verified by PartsTable
NSN 5342-00-303-8124 — this item is cataloged by the U.S. Government under National Stock Number 5342-00-303-8124. Primary manufacturer part number: 21014.
Features
  • Lock Ring,connector — FSC 5342
  • General Characteristics Item Description: BRASS QQ-B-613 1/4 HARD COMP 2,CADMIUM PLATED QQ-P-416 TY 2 CL B,0.625 IN. LG,0.380 IN. ID IN
  • 6 verified cross-references
  • Primary manufacturer: Winchester Interconnect Corporation Dba Winchester Interconnect Div Winchester Interconnect
Applications
  • Electrical interconnection
  • Signal interface mating
  • Quick-disconnect coupling
General Description

The Lock Ring,connector, cataloged under National Stock Number 5342-00-303-8124, is classified within Federal Supply Class 5342 (Mount,resilient,weapon System) of the Hardware and Abrasives group. The primary manufacturer of record is Winchester Interconnect Corporation Dba Winchester Interconnect Div Winchester Interconnect. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5342-00-303-8124
Primary Part Number21014
Item NameLock Ring,connector
FSC / FSG5342 / 53 — Mount,resilient,weapon System
ManufacturerWinchester Interconnect Corporation Dba Winchester Interconnect Div Winchester Interconnect
StatusACTIVE
General Characteristics Item DescriptionBRASS QQ-B-613 1/4 HARD COMP 2,CADMIUM PLATED QQ-P-416 TY 2 CL B,0.625 IN. LG,0.380 IN. ID IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
6210-00-476-717421014 INTERCHANGEABLE
Lens
Wakmann Watch Company Inc
5330-00-479-002621014 INTERCHANGEABLE
Seal,plain Encased
Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp.
5325-00-597-98888169735 INTERCHANGEABLE
Insert,screw Thread
Us Army Aviation and Missile Command
5305-00-637-906421014 INTERCHANGEABLE
Screw,machine
Goodrich Corporation Dba Goodrich Corp
5905-00-752-3822210-14 INTERCHANGEABLE
Resistor,variable,nonwire Wound,
Keysight Technologies Inc
5940-00-988-0317AA59125/238TB14 INTERCHANGEABLE
Terminal Board
Sunnen Products Co
3417-01-014-7407210-14 INTERCHANGEABLE
Milling Machine Horizontal
Cincinnati Machine Co
1660-01-028-267421014 INTERCHANGEABLE
Adapter,air Inlet,heat Exchanger
Rogerson Aircraft Equipment Group
4940-01-107-585821014 INTERCHANGEABLE
Tank,pressure-Feed,finishing-Mat
Fluid Conditioning Products, Inc.
5315-01-151-971721014 INTERCHANGEABLE
Key,machine
Dresser Industries Inc Waukesha Engine Div
Cross-Reference Index
Part NumberManufacturer
276M0582P017 Raytheon Company Div Corp (USA)
276M0582P017 Raytheon Company (USA)
963410-2 Raytheon Company Dba Raytheon (USA)
845936-01 Lockheed Martin Corporation Div Rms - Mitchel Field (USA)
276M0582P017 Raytheon Company Dba Raytheon Co (USA)
21014 PRIMARY Winchester Interconnect Corporation Dba Winchester Interconnect Div Winchester Interconnect (USA)
Related Parts
6210-00-476-7174INTERCHANGEABLE
LENS
21014
5330-00-479-0026INTERCHANGEABLE
SEAL,PLAIN ENCASED
21014
5325-00-597-9888INTERCHANGEABLE
INSERT,SCREW THREAD
8169735
5305-00-637-9064INTERCHANGEABLE
SCREW,MACHINE
21014
5905-00-752-3822INTERCHANGEABLE
RESISTOR,VARIABLE,NONWIRE WOUND,
210-14
5940-00-988-0317INTERCHANGEABLE
TERMINAL BOARD
AA59125/238TB14
3417-01-014-7407INTERCHANGEABLE
MILLING MACHINE HORIZONTAL
210-14
1660-01-028-2674INTERCHANGEABLE
ADAPTER,AIR INLET,HEAT EXCHANGER
21014
4940-01-107-5858INTERCHANGEABLE
TANK,PRESSURE-FEED,FINISHING-MAT
21014
5315-01-151-9717INTERCHANGEABLE
KEY,MACHINE
21014
5998-01-168-3704INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
5998-01-295-6003INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
21014

Frequently Asked Questions

What is NSN 5342-00-303-8124?

NSN 5342-00-303-8124 is a Lock Ring,connector, manufactured by Winchester Interconnect Corporation Dba Winchester Interconnect Div Winchester Interconnect, classified under FSC 5342 (Mount,resilient,weapon System). Status: active.

What are the part numbers for NSN 5342-00-303-8124?

NSN 5342-00-303-8124 has 6 cross-referenced part numbers: 276M0582P017 (Raytheon Company Div Corp), 276M0582P017 (Raytheon Company), 963410-2 (Raytheon Company Dba Raytheon), 845936-01 (Lockheed Martin Corporation Div Rms - Mitchel Field), 276M0582P017 (Raytheon Company Dba Raytheon Co) and 1 more.

What NSN replaces 5342-00-303-8124?

There are 12 known substitutes for 5342-00-303-8124: 6210-00-476-7174, 5330-00-479-0026, 5325-00-597-9888 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 21014?

Key specifications for 21014: General Characteristics Item Description: BRASS QQ-B-613 1/4 HARD COMP 2,CADMIUM PLATED QQ-P-416 TY 2 CL B,0.625 IN. LG,0.380 IN. ID IN. 1 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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