PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2453684-1Clamp,synchro

Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier · NSN 5340-00-381-1883 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-00-381-1883 — this item is cataloged by the U.S. Government under National Stock Number 5340-00-381-1883. Primary manufacturer part number: 2453684-1.
Features
  • Clamp,synchro — FSC 5340
  • Nominal Thread Size: 0.112 INCHES IN
  • Length: 0.272 INCHES NOMINAL IN
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC)
  • Height: 0.138 INCHES NOMINAL IN
  • Surface Treatment Document and Classification: MIL-C-13924,CLASS 3 MIL SPEC SINGLE TREATMENT RESPONSE
  • Material: STEEL COMP 302
  • Width: 0.437 INCHES NOMINAL IN
Applications
  • Applications requiring Steel Comp 302 construction
General Description

The Clamp,synchro, cataloged under National Stock Number 5340-00-381-1883, is classified within Federal Supply Class 5340 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 commercial cross-references from 8 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5340-00-381-1883
Primary Part Number2453684-1
Item NameClamp,synchro
FSC / FSG5340 / 53 — No Item Name Available
ManufacturerNavair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
StatusCANCELLED
Nominal Thread Size0.112 INCHES IN
Length0.272 INCHES NOMINAL IN
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Height0.138 INCHES NOMINAL IN
Surface Treatment Document and ClassificationMIL-C-13924,CLASS 3 MIL SPEC SINGLE TREATMENT RESPONSE
MaterialSTEEL COMP 302
Width0.437 INCHES NOMINAL IN
Thread Class2A A
ColorBLACK
Material Document and ClassificationQQ-S-766,1/2 HARD OR ANNEALED FED SPEC SINGLE MATERIAL RESPONSE
Surface TreatmentOXIDE
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Unit of IssueEA
Verified Substitutes 10
1280-00-211-9642 INTERCHANGEABLE
Clamp Assembly
3455-00-254-8467 INTERCHANGEABLE
Cutter,milling,convex
5940-00-280-414733189 INTERCHANGEABLE
Splice,conductor
Te Connectivity Corporation
5950-00-441-778130-9226 INTERCHANGEABLE
Transformer,power
Magnetic Components Inc
5950-00-917-4393CC2 INTERCHANGEABLE
Transformer,power Autotransforme
Keytronics, Inc. Div Api Technologies Corp- Magnetics
6130-00-949-9347C142 INTERCHANGEABLE
Rectifier,metallic
Edal Industries, Inc. Dba Edal Industries Inc
6850-01-015-2758054007-49563 INTERCHANGEABLE
Cleaning Compound Kit
3m Company
5140-01-289-7089C142 INTERCHANGEABLE
Roll,tools and Accessories
Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc
7010-01-372-2148 INTERCHANGEABLE
Computer System,digital
4250-01-380-9034CC2 INTERCHANGEABLE
Antifreeze Recycler Kit
Bg Products, Inc. Dba Bg Products Inc
Cross-Reference Index
Part NumberManufacturer
108856-2 Raytheon Company (USA)
810AS1428 Zf Industrieantriebe Witten Gmbh (DEU)
643019 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
015-1698-010 Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (USA)
2453684-1 PRIMARY Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
CC2 PRIMARY Secs Inc (USA)
643019 PRIMARY Kearfott Corporation Div Guidance and Navigation Division (USA)
C142 PRIMARY Designatronics Incorporated Div Sterling Instruments Div (USA)
GC503D2 Northrop Grumman Systems Corporation (USA)
Related Parts
1280-00-211-9642INTERCHANGEABLE
CLAMP ASSEMBLY
3455-00-254-8467INTERCHANGEABLE
CUTTER,MILLING,CONVEX
5940-00-280-4147INTERCHANGEABLE
SPLICE,CONDUCTOR
33189
5950-00-441-7781INTERCHANGEABLE
TRANSFORMER,POWER
30-9226
5950-00-917-4393INTERCHANGEABLE
TRANSFORMER,POWER AUTOTRANSFORME
CC2
6130-00-949-9347INTERCHANGEABLE
RECTIFIER,METALLIC
C142
6850-01-015-2758INTERCHANGEABLE
CLEANING COMPOUND KIT
054007-49563
5140-01-289-7089INTERCHANGEABLE
ROLL,TOOLS AND ACCESSORIES
C142
7010-01-372-2148INTERCHANGEABLE
COMPUTER SYSTEM,DIGITAL
4250-01-380-9034INTERCHANGEABLE
ANTIFREEZE RECYCLER KIT
CC2

Frequently Asked Questions

What is NSN 5340-00-381-1883?

NSN 5340-00-381-1883 is a Clamp,synchro, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 5340 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5340-00-381-1883?

NSN 5340-00-381-1883 has 9 cross-referenced part numbers: 108856-2 (Raytheon Company), 810AS1428 (Zf Industrieantriebe Witten Gmbh), 643019 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 015-1698-010 (Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems), 2453684-1 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier) and 4 more.

What NSN replaces 5340-00-381-1883?

There are 10 known substitutes for 5340-00-381-1883: 1280-00-211-9642, 3455-00-254-8467, 5940-00-280-4147 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2453684-1?

Key specifications for 2453684-1: Nominal Thread Size: 0.112 INCHES IN; Length: 0.272 INCHES NOMINAL IN; Thread Series Designator: UNIFIED NATIONAL COARSE (UNC); Height: 0.138 INCHES NOMINAL IN. 11 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5340-00-381-1883 still in active supply?

NSN 5340-00-381-1883 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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