PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

409074Clamp,synchro

Rotron Incorporated · NSN 5340-00-056-5429 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-00-056-5429 — this item is cataloged by the U.S. Government under National Stock Number 5340-00-056-5429. Primary manufacturer part number: 409074.
Features
  • Clamp,synchro — FSC 5340
  • Thread Class: 2A A
  • Height: 0.156 INCHES NOMINAL IN
  • Nominal Thread Size: 0.112 INCHES IN
  • Length: 0.317 INCHES MINIMUM AND 0.320 INCHES MAXIMUM IN
  • Material Document and Classification: AISI ASSN STD 1ST MATERIAL RESPONSE OR MIL-M-20693,COMP A,TYPE 1 MIL SPEC 2ND MATERIAL RESPONSE
  • Material: STEEL COMP 1012 OR PLASTIC POLYHEXAMETHYLENE AMIDE
  • Width: 0.385 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN
Applications
  • Applications requiring Steel Comp 1012 or Plastic Polyhexamethylene Amide construction
General Description

The Clamp,synchro, cataloged under National Stock Number 5340-00-056-5429, is classified within Federal Supply Class 5340 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Rotron Incorporated. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 28 commercial cross-references from 22 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
NSN5340-00-056-5429
Primary Part Number409074
Item NameClamp,synchro
FSC / FSG5340 / 53 — No Item Name Available
ManufacturerRotron Incorporated
StatusCANCELLED
Thread Class2A A
Height0.156 INCHES NOMINAL IN
Nominal Thread Size0.112 INCHES IN
Length0.317 INCHES MINIMUM AND 0.320 INCHES MAXIMUM IN
Material Document and ClassificationAISI ASSN STD 1ST MATERIAL RESPONSE OR MIL-M-20693,COMP A,TYPE 1 MIL SPEC 2ND MATERIAL RESPONSE
MaterialSTEEL COMP 1012 OR PLASTIC POLYHEXAMETHYLENE AMIDE
Width0.385 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN
Furnished ItemsLOCKNUT
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Unit of IssueEA
Verified Substitutes 10
4810-00-369-3418409074 INTERCHANGEABLE
Cap,valve
Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road)
5310-00-696-51728328424 INTERCHANGEABLE
Nut,plain,assembled Washer
U S Army Tank Automotive Command Amsta-Im-Mm
2540-00-736-7670 INTERCHANGEABLE
Pedal
5340-00-984-6629271166 INTERCHANGEABLE
Clamp,synchro
Rotron Incorporated
5365-01-079-9917329170 INTERCHANGEABLE
Spacer
Brp Us Inc
7690-01-196-7390500-752 INTERCHANGEABLE
Marker,identification
Atlas Polar Company Limited Div Atlas Polar Company Ltd
5310-01-251-0760271166 INTERCHANGEABLE
Nut,plain,assembled Washer
Am General Llc
5975-01-381-240150075-2 INTERCHANGEABLE
Stuffing Tube
Evoqua Water Technologies Llc
5340-01-470-9823409074 INTERCHANGEABLE
Clamp,synchro
Timber Top Inc
4820-01-470-98422504001 INTERCHANGEABLE
Valve,butterfly
Tri-Tec Manufacturing Llc
Cross-Reference Index
Part NumberManufacturer
409074 PRIMARY Rotron Incorporated (USA)
993905-1 Ge Aviation Systems Llc (USA)
215-013-0016 PRIMARY Northrop Grumman Systems Corporation (USA)
414765-20 Raytheon Company Dba Raytheon (USA)
309074 PRIMARY Timber Top Inc (USA)
5772707 Naval Sea Systems Command (USA)
5381813-14 Zf Industrieantriebe Witten Gmbh (DEU)
GC503E04EER Northrop Grumman Systems Corporation (USA)
B22-9001-001 L3harris Technologies, Inc. Dba Harris Corp Div Harris Defense Communications (USA)
9147C5046 Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems (USA)
2504001 Honeywell International Inc. Dba Honeywell International (USA)
500752 Aimtron Systems, Llc (USA)
45C860-001 Ail Systems Inc Sub of Eaton Corp (USA)
640006P25 Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems (USA)
483679-1 Raytheon Company Dba Raytheon Co (USA)
1811839 Zf Industrieantriebe Witten Gmbh (DEU)
10237248-2 PRIMARY Us Army Aviation and Missile Command (USA)
7224802P1 Lockheed Martin Corp Naval Electronics & Surveillance Systems (USA)
11780320-2 PRIMARY Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate (USA)
918337-51 Raytheon Company Dba Raytheon (USA)
Related Parts
4810-00-369-3418INTERCHANGEABLE
CAP,VALVE
409074
5310-00-696-5172INTERCHANGEABLE
NUT,PLAIN,ASSEMBLED WASHER
8328424
2540-00-736-7670INTERCHANGEABLE
PEDAL
5340-00-984-6629INTERCHANGEABLE
CLAMP,SYNCHRO
271166
5365-01-079-9917INTERCHANGEABLE
SPACER
329170
7690-01-196-7390INTERCHANGEABLE
MARKER,IDENTIFICATION
500-752
5310-01-251-0760INTERCHANGEABLE
NUT,PLAIN,ASSEMBLED WASHER
271166
5975-01-381-2401INTERCHANGEABLE
STUFFING TUBE
50075-2
5340-01-470-9823INTERCHANGEABLE
CLAMP,SYNCHRO
409074
4820-01-470-9842INTERCHANGEABLE
VALVE,BUTTERFLY
2504001

Frequently Asked Questions

What is NSN 5340-00-056-5429?

NSN 5340-00-056-5429 is a Clamp,synchro, manufactured by Rotron Incorporated, classified under FSC 5340 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5340-00-056-5429?

NSN 5340-00-056-5429 has 28 cross-referenced part numbers: 409074 (Rotron Incorporated), 993905-1 (Ge Aviation Systems Llc), 215-013-0016 (Northrop Grumman Systems Corporation), 414765-20 (Raytheon Company Dba Raytheon), 309074 (Timber Top Inc) and 23 more.

What NSN replaces 5340-00-056-5429?

There are 10 known substitutes for 5340-00-056-5429: 4810-00-369-3418, 5310-00-696-5172, 2540-00-736-7670 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 409074?

Key specifications for 409074: Thread Class: 2A A; Height: 0.156 INCHES NOMINAL IN; Nominal Thread Size: 0.112 INCHES IN; Length: 0.317 INCHES MINIMUM AND 0.320 INCHES MAXIMUM IN. 9 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5340-00-056-5429 still in active supply?

NSN 5340-00-056-5429 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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