PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

271166Clamp,synchro

Rotron Incorporated · NSN 5340-00-984-6629 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-00-984-6629 — this item is cataloged by the U.S. Government under National Stock Number 5340-00-984-6629. Primary manufacturer part number: 271166.
Features
  • Clamp,synchro — FSC 5340
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC)
  • Thread Quantity Per Inch: 40
  • Distance From Hole Center to End: 0.1250 INCHES NOMINAL IN
  • Height: 0.1560 INCHES NOMINAL IN
  • Material: STEEL CORROSION RESISTING
  • Nominal Thread Size: 0.1120 INCHES IN
  • Thread Class: 2B
Applications
  • Applications requiring Steel Corrosion Resisting construction
General Description

The Clamp,synchro, cataloged under National Stock Number 5340-00-984-6629, 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 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 17 commercial cross-references from 13 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5340-00-984-6629
Primary Part Number271166
Item NameClamp,synchro
FSC / FSG5340 / 53 — No Item Name Available
ManufacturerRotron Incorporated
StatusCANCELLED
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Thread Quantity Per Inch40
Distance From Hole Center to End0.1250 INCHES NOMINAL IN
Height0.1560 INCHES NOMINAL IN
MaterialSTEEL CORROSION RESISTING
Nominal Thread Size0.1120 INCHES IN
Thread Class2B
Outside Diameter0.3800 INCHES MINIMUM AND 0.3900 INCHES MAXIMUM IN
Features ProvidedINSERT
Style DesignatorCLEAT
Effective Height0.0930 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
Successor5306-01-556-6531 (14015)
HAZMATNo
Unit of IssueEA
Verified Substitutes 12
5306-01-556-653114015 SUCCESSOR
Bolt,machine
Fastenal Company Dba Fastenal Co
6515-01-579-0346319.27 SUCCESSOR
Brush,cleaning,instrument and Im
Depuy Synthes Sales Inc Dba Depuy Synthes Trauma Div Depuy Synthes Sales, Inc., D/b/a Depuy Synthes Trauma
5340-00-056-542910237248-2 INTERCHANGEABLE
Clamp,synchro
Us Army Aviation and Missile Command
7690-00-112-8981187406 INTERCHANGEABLE
Decal
Honeywell International Inc Div Aerospace-South Bend (bendix Dr)
5920-00-142-48101401-5 INTERCHANGEABLE
Fuse,cartridge
Littelfuse, Inc.
4210-00-299-002314015 INTERCHANGEABLE
Platform,fire Extinguisher Nozzl
Tyco Fire Products Lp
5330-00-342-674014015 INTERCHANGEABLE
Gasket,bracket
Trw Inc Trw Commercial Steering Div
5330-00-505-6066032068 INTERCHANGEABLE
Seal,plain
Zf Active Safety and Electronics Us Llc Div Trw Commercial Steering Systems
6685-00-624-8902140-15 INTERCHANGEABLE
Tester,pressure Gage
Meggitt (new Hampshire), Inc
5310-00-696-51728328424 INTERCHANGEABLE
Nut,plain,assembled Washer
U S Army Tank Automotive Command Amsta-Im-Mm
Cross-Reference Index
Part NumberManufacturer
309074 Rotron Incorporated (USA)
271166000 Rotron Incorporated (USA)
60268-90068 United Industrial Corp (USA)
3630-5186-01 Zf Industrieantriebe Witten Gmbh (DEU)
781-903-003 Elettronica Gmbh (DEU)
790-354-001 Parker-Hannifin Corporation Dba Service and Support Operation Div Services and Support Operations (USA)
C121Z6C41 Siemens Schweiz Ag Dba Siemens Switzerland Ltd. (CHE)
966767-001 L-3 Services, Inc. Dba Command & Control Systems Software & Expeditionary Operation (USA)
802027335916-2 Navy, United States Department of the Dba Naval Surface Warfare Center Div Naval Surface Warfare Center Crane Division (USA)
14015 Rotron Incorporated (USA)
271166 Allclear Aerospace & Defense, Inc. Dba Allclear Aerospace & Defense Inc (USA)
136703 Raytheon Company (USA)
11454397 Us Army Aviation and Missile Command (USA)
790-354-001 Parker-Hannifin Corporation Dba Pneutronics Div Fluid Systems Division (USA)
271166 Zf Industrieantriebe Witten Gmbh (DEU)
781-903-003 Elettronica Spa (ITA)
271166 PRIMARY Rotron Incorporated (USA)
Related Parts
SUCCESSOR 5306-01-556-6531 Bolt,machine · 14015
6515-01-579-0346SUCCESSOR
BRUSH,CLEANING,INSTRUMENT AND IM
319.27
5340-00-056-5429INTERCHANGEABLE
CLAMP,SYNCHRO
10237248-2
7690-00-112-8981INTERCHANGEABLE
DECAL
187406
5920-00-142-4810INTERCHANGEABLE
FUSE,CARTRIDGE
1401-5
4210-00-299-0023INTERCHANGEABLE
PLATFORM,FIRE EXTINGUISHER NOZZL
14015
5330-00-342-6740INTERCHANGEABLE
GASKET,BRACKET
14015
5330-00-505-6066INTERCHANGEABLE
SEAL,PLAIN
032068
6685-00-624-8902INTERCHANGEABLE
TESTER,PRESSURE GAGE
140-15
5310-00-696-5172INTERCHANGEABLE
NUT,PLAIN,ASSEMBLED WASHER
8328424
5940-00-920-3289INTERCHANGEABLE
TERMINAL BOARD
353-11-15-001
5950-00-987-1864INTERCHANGEABLE
TRANSFORMER,POWER
14015

Frequently Asked Questions

What is NSN 5340-00-984-6629?

NSN 5340-00-984-6629 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 5340-00-984-6629?

NSN 5340-00-984-6629 has 17 cross-referenced part numbers: 309074 (Rotron Incorporated), 271166000 (Rotron Incorporated), 60268-90068 (United Industrial Corp), 3630-5186-01 (Zf Industrieantriebe Witten Gmbh), 781-903-003 (Elettronica Gmbh) and 12 more.

What NSN replaces 5340-00-984-6629?

There are 12 known substitutes for 5340-00-984-6629: 5306-01-556-6531, 6515-01-579-0346, 5340-00-056-5429 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 271166?

Key specifications for 271166: Thread Series Designator: UNIFIED NATIONAL COARSE (UNC); Thread Quantity Per Inch: 40; Distance From Hole Center to End: 0.1250 INCHES NOMINAL IN; Height: 0.1560 INCHES NOMINAL IN. 12 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5340-00-984-6629 still in active supply?

NSN 5340-00-984-6629 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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