PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

54-1ALatch,mortise

Adams Rite Aerospace, Inc · NSN 5340-00-433-0424 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-00-433-0424 — this item is cataloged by the U.S. Government under National Stock Number 5340-00-433-0424. Primary manufacturer part number: 54-1A.
Features
  • Latch,mortise — FSC 5340
  • Action Type: SPRING
  • Material: UNABLE TO DECODE
  • Surface Treatment: UNABLE TO DECODE
  • Operating Mechanism Location: BOTH SIDES
  • Height: 2.620 INCHES NOMINAL IN
  • Width: 0.660 INCHES NOMINAL IN
  • Surface Treatment: UNABLE TO DECODE
Applications
  • Applications requiring Unable to Decode construction
General Description

The Latch,mortise, cataloged under National Stock Number 5340-00-433-0424, is classified within Federal Supply Class 5340 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Adams Rite Aerospace, Inc. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5340-00-433-0424
Primary Part Number54-1A
Item NameLatch,mortise
FSC / FSG5340 / 53 — No Item Name Available
ManufacturerAdams Rite Aerospace, Inc
StatusACTIVE
Action TypeSPRING
MaterialUNABLE TO DECODE
Surface TreatmentUNABLE TO DECODE
Operating Mechanism LocationBOTH SIDES
Height2.620 INCHES NOMINAL IN
Width0.660 INCHES NOMINAL IN
Surface TreatmentUNABLE TO DECODE
MaterialUNABLE TO DECODE
Bolt TypeSINGLE BEVEL NONREVERSIBLE
Face ShapeFLAT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Unit of IssueEA
Verified Substitutes 4
5325-00-297-1054 INTERCHANGEABLE
Clinch Plate,snap Fastener
6220-00-299-5646 INTERCHANGEABLE
Light,marker,clearance
6680-00-460-2650A-17014 INTERCHANGEABLE
Indicator,sight,liquid
Mueller Brass Co.
6220-00-536-0945 INTERCHANGEABLE
Light,special Purpo
Cross-Reference Index
Part NumberManufacturer
54-1A PRIMARY Adams Rite Aerospace, Inc (USA)
AR18-3 Adams Rite Aerospace, Inc (USA)
Related Parts
5325-00-297-1054INTERCHANGEABLE
CLINCH PLATE,SNAP FASTENER
6220-00-299-5646INTERCHANGEABLE
LIGHT,MARKER,CLEARANCE
6680-00-460-2650INTERCHANGEABLE
INDICATOR,SIGHT,LIQUID
A-17014
6220-00-536-0945INTERCHANGEABLE
LIGHT,SPECIAL PURPO

Frequently Asked Questions

What is NSN 5340-00-433-0424?

NSN 5340-00-433-0424 is a Latch,mortise, manufactured by Adams Rite Aerospace, Inc, classified under FSC 5340 (No Item Name Available). Status: active.

What are the part numbers for NSN 5340-00-433-0424?

NSN 5340-00-433-0424 has 2 cross-referenced part numbers: 54-1A (Adams Rite Aerospace, Inc), AR18-3 (Adams Rite Aerospace, Inc).

What NSN replaces 5340-00-433-0424?

There are 4 known substitutes for 5340-00-433-0424: 5325-00-297-1054, 6220-00-299-5646, 6680-00-460-2650 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 54-1A?

Key specifications for 54-1A: Special Features: CASE SHAPE:RECTANGULAR;CASE WIDTH:4.060 IN.;CASE THICKNESS:0.660 IN.THK;BACKSET DEPTH:2.542 IN.;CASE HEIGHT:2.620 IN. IN; Action Type: SPRING; Material: UNABLE TO DECODE; Surface Treatment: UNABLE TO DECODE. 11 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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