PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

178APadlock

Eastern Co the Ccl Security Products · NSN 5340-00-019-2938 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-00-019-2938 — this item is cataloged by the U.S. Government under National Stock Number 5340-00-019-2938. Primary manufacturer part number: 178A.
Features
  • Padlock — FSC 5340
  • Nondefinitive Spec/std Data: EPB TYPE
  • Construction: SOLID
  • Key Change Quantity: 750
  • Operating Mechanism Type: PIN TUMBLER
  • Departure From Cited Designator: 1-1/8 IN. IN
  • 4 verified cross-references
  • Primary manufacturer: Eastern Co the Ccl Security Products
Applications
  • General assembly and fastening
  • Structural repair and reinforcement
  • Facility maintenance hardware
General Description

The Padlock, cataloged under National Stock Number 5340-00-019-2938, is classified within Federal Supply Class 5340 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Eastern Co the Ccl Security Products. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5340-00-019-2938
Primary Part Number178A
Item NamePadlock
FSC / FSG5340 / 53 — No Item Name Available
ManufacturerEastern Co the Ccl Security Products
StatusACTIVE
Nondefinitive Spec/std DataEPB TYPE
ConstructionSOLID
Key Change Quantity750
Operating Mechanism TypePIN TUMBLER
Departure From Cited Designator1-1/8 IN. IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Unit of IssueEA
Verified Substitutes 12
5340-00-292-0896179LH SUCCESSOR
Padlock
Master Lock Company Llc Dba Master Lock Div Master Lock Company
5340-00-514-27821500 SUCCESSOR
Padlock
Master Lock Company Llc Dba Master Lock Div Master Lock Company
Padlock
Padlock
Padlock
Padlock
5210-00-271-9944178A INTERCHANGEABLE
Gage,fillet and Radius
L.s. Starrett Company (the) Div Tool Division
5360-00-292-2647178A INTERCHANGEABLE
Spring,helical,compression
Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions
5950-00-646-4326 INTERCHANGEABLE
Coil,telephone
5340-00-664-1319 INTERCHANGEABLE
Padlock
Cross-Reference Index
Part NumberManufacturer
178A Emhart Industries Inc Corbin Cabinet Lock Hardware Div (USA)
FFP101 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
178A PRIMARY Eastern Co the Ccl Security Products (USA)
659A Portec Inc Rmc Div (USA)
Related Parts
5340-00-292-0896SUCCESSOR
PADLOCK
179LH
5340-00-514-2782SUCCESSOR
PADLOCK
1500
5340-00-582-2741SUCCESSOR
PADLOCK
5340-00-664-1322SUCCESSOR
PADLOCK
5340-00-664-1324SUCCESSOR
PADLOCK
5340-00-682-1508SUCCESSOR
PADLOCK
5210-00-271-9944INTERCHANGEABLE
GAGE,FILLET AND RADIUS
178A
5360-00-292-2647INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
178A
5950-00-646-4326INTERCHANGEABLE
COIL,TELEPHONE
5340-00-664-1319INTERCHANGEABLE
PADLOCK
5340-00-664-1321INTERCHANGEABLE
PADLOCK
5340-00-728-1932INTERCHANGEABLE
PADLOCK

Frequently Asked Questions

What is NSN 5340-00-019-2938?

NSN 5340-00-019-2938 is a Padlock, manufactured by Eastern Co the Ccl Security Products, classified under FSC 5340 (No Item Name Available). Status: active.

What are the part numbers for NSN 5340-00-019-2938?

NSN 5340-00-019-2938 has 4 cross-referenced part numbers: 178A (Emhart Industries Inc Corbin Cabinet Lock Hardware Div), FFP101 (Federal Specifications Promulgated by General Services Administration Washington DC), 178A (Eastern Co the Ccl Security Products), 659A (Portec Inc Rmc Div).

What NSN replaces 5340-00-019-2938?

There are 12 known substitutes for 5340-00-019-2938: 5340-00-292-0896, 5340-00-514-2782, 5340-00-582-2741 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 178A?

Key specifications for 178A: Nondefinitive Spec/std Data: EPB TYPE; Construction: SOLID; Overall Width: 1.125 INCHES NOMINAL IN; Key Change Quantity: 750. 7 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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