PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

18801Lock Forming Tool,circuit Breake

Heluck Products · NSN 5120-01-348-1323 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-348-1323 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-348-1323. Primary manufacturer part number: 18801.
Features
  • Lock Forming Tool,circuit Breake — FSC 5120
  • General Characteristics Item Description: PLIER TYPE; CUSHION GRIP HANDLES; 6 1/4 IN. LG IN
  • Functional Description: USED TO LOCK TOGGLE SWITCH IN PLACE ON CIRCUIT BREAKER
  • 1 verified cross-reference
  • Primary manufacturer: Heluck Products
Applications
  • Field maintenance and repair
  • Facility maintenance operations
  • General-purpose hand tools
General Description

The Lock Forming Tool,circuit Breake, cataloged under National Stock Number 5120-01-348-1323, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Heluck Products. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5120-01-348-1323
Primary Part Number18801
Item NameLock Forming Tool,circuit Breake
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerHeluck Products
StatusACTIVE
General Characteristics Item DescriptionPLIER TYPE; CUSHION GRIP HANDLES; 6 1/4 IN. LG IN
Functional DescriptionUSED TO LOCK TOGGLE SWITCH IN PLACE ON CIRCUIT BREAKER
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
3120-00-054-483354A50A64 INTERCHANGEABLE
Bearing,washer,thrust
Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier
5340-00-246-3405 INTERCHANGEABLE
Clip,retaining
6105-00-629-096734102EDN01D310 INTERCHANGEABLE
Motor,direct Current
Moog Inc.
5360-00-898-5105 INTERCHANGEABLE
Lock Spring
5950-00-932-532718801 INTERCHANGEABLE
Reactor
Torotel, Inc. Div Torotel Products, Inc.
5120-00-953-340821C2404P016 INTERCHANGEABLE
Crowfoot Attachment,socket Wrenc
General Electric Company
6930-01-061-99611880-1 INTERCHANGEABLE
Indicator Simulated
Malwin Electronics Corp.
3040-01-326-318918801 INTERCHANGEABLE
Plate,retaining,shaft
Ge Aviation Systems, Llc
6660-01-443-111118802 INTERCHANGEABLE
Anemometer
R. M. Young Company Llc
5355-01-507-2466 INTERCHANGEABLE
Knob
Cross-Reference Index
Part NumberManufacturer
18801 PRIMARY Heluck Products (USA)
Related Parts
3120-00-054-4833INTERCHANGEABLE
BEARING,WASHER,THRUST
54A50A64
5340-00-246-3405INTERCHANGEABLE
CLIP,RETAINING
6105-00-629-0967INTERCHANGEABLE
MOTOR,DIRECT CURRENT
34102EDN01D310
5360-00-898-5105INTERCHANGEABLE
LOCK SPRING
5950-00-932-5327INTERCHANGEABLE
REACTOR
18801
5120-00-953-3408INTERCHANGEABLE
CROWFOOT ATTACHMENT,SOCKET WRENC
21C2404P016
6930-01-061-9961INTERCHANGEABLE
INDICATOR SIMULATED
1880-1
3040-01-326-3189INTERCHANGEABLE
PLATE,RETAINING,SHAFT
18801
6660-01-443-1111INTERCHANGEABLE
ANEMOMETER
18802
5355-01-507-2466INTERCHANGEABLE
KNOB
9905-01-535-0164INTERCHANGEABLE
PLATE,IDENTIFICATION
18801

Frequently Asked Questions

What is NSN 5120-01-348-1323?

NSN 5120-01-348-1323 is a Lock Forming Tool,circuit Breake, manufactured by Heluck Products, classified under FSC 5120 (No Item Name Available). Status: active.

What are the part numbers for NSN 5120-01-348-1323?

NSN 5120-01-348-1323 has 1 cross-referenced part number: 18801 (Heluck Products).

What NSN replaces 5120-01-348-1323?

There are 11 known substitutes for 5120-01-348-1323: 3120-00-054-4833, 5340-00-246-3405, 6105-00-629-0967 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 18801?

Key specifications for 18801: General Characteristics Item Description: PLIER TYPE; CUSHION GRIP HANDLES; 6 1/4 IN. LG IN; Functional Description: USED TO LOCK TOGGLE SWITCH IN PLACE ON CIRCUIT BREAKER. 2 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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