PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

YC6-2SClamp,synchro

Designatronics Inc Perfect Gear and Instrument Div · NSN 5340-00-961-8523 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-00-961-8523 — this item is cataloged by the U.S. Government under National Stock Number 5340-00-961-8523. Primary manufacturer part number: YC6-2S.
Features
  • Clamp,synchro — FSC 5340
  • Material: STEEL COMP 303
  • Furnished Items: LOCKNUT
  • Width: 0.250 INCHES NOMINAL IN
  • Length: 0.277 INCHES NOMINAL IN
  • Material Document and Classification: QQ-S-764 FED SPEC SINGLE MATERIAL RESPONSE
  • Surface Treatment: PASSIVATE
  • Height: 0.090 INCHES MINIMUM AND 0.100 INCHES MAXIMUM IN
Applications
  • Applications requiring Steel Comp 303 construction
General Description

The Clamp,synchro, cataloged under National Stock Number 5340-00-961-8523, is classified within Federal Supply Class 5340 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Designatronics Inc Perfect Gear and Instrument Div. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5340-00-961-8523
Primary Part NumberYC6-2S
Item NameClamp,synchro
FSC / FSG5340 / 53 — No Item Name Available
ManufacturerDesignatronics Inc Perfect Gear and Instrument Div
StatusCANCELLED
MaterialSTEEL COMP 303
Furnished ItemsLOCKNUT
Width0.250 INCHES NOMINAL IN
Length0.277 INCHES NOMINAL IN
Material Document and ClassificationQQ-S-764 FED SPEC SINGLE MATERIAL RESPONSE
Surface TreatmentPASSIVATE
Height0.090 INCHES MINIMUM AND 0.100 INCHES MAXIMUM IN
Hole Diameter0.128 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Unit of IssueEA
Verified Substitutes 8
5340-00-682-2112NAS817-2 SUCCESSOR
Cap,protective,dust and Moisture
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
Clip,spring Tension
5340-01-368-8330SC-C-539457-1 SUCCESSOR
Strap,retaining
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5340-00-132-3979CC10 INTERCHANGEABLE
Clamp,synchro
Secs Inc
3895-01-119-5564 INTERCHANGEABLE
Roller,motorized
4330-01-224-3005CC10 INTERCHANGEABLE
Filter Element,fluid
Schroeder Industries Llc
5910-01-379-1155CC10 INTERCHANGEABLE
Capacitor,fixed,mica Dielectric
Nautel Maine Inc
5310-01-641-194925214-3 INTERCHANGEABLE
Nut,plain,plate
United States Department of the Navy Dba Naval Surface Warfare Center Panama City
Cross-Reference Index
Part NumberManufacturer
252143 Raytheon Company Dba Raytheon (USA)
YC6-2S PRIMARY Designatronics Inc Perfect Gear and Instrument Div (USA)
C2 Designatronics Incorporated Div Sterling Instruments Div (USA)
CC10 B.c. Systems Inc. Dba Bc Systems Inc (USA)
151162-10 Raytheon Company Div Corp (USA)
C2 Steego Corp (USA)
Related Parts
5340-00-682-2112SUCCESSOR
CAP,PROTECTIVE,DUST AND MOISTURE
NAS817-2
5340-00-775-0201SUCCESSOR
CLIP,SPRING TENSION
5340-01-368-8330SUCCESSOR
STRAP,RETAINING
SC-C-539457-1
5340-00-132-3979INTERCHANGEABLE
CLAMP,SYNCHRO
CC10
3895-01-119-5564INTERCHANGEABLE
ROLLER,MOTORIZED
4330-01-224-3005INTERCHANGEABLE
FILTER ELEMENT,FLUID
CC10
5910-01-379-1155INTERCHANGEABLE
CAPACITOR,FIXED,MICA DIELECTRIC
CC10
5310-01-641-1949INTERCHANGEABLE
NUT,PLAIN,PLATE
25214-3

Frequently Asked Questions

What is NSN 5340-00-961-8523?

NSN 5340-00-961-8523 is a Clamp,synchro, manufactured by Designatronics Inc Perfect Gear and Instrument Div, classified under FSC 5340 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5340-00-961-8523?

NSN 5340-00-961-8523 has 6 cross-referenced part numbers: 252143 (Raytheon Company Dba Raytheon), YC6-2S (Designatronics Inc Perfect Gear and Instrument Div), C2 (Designatronics Incorporated Div Sterling Instruments Div), CC10 (B.c. Systems Inc. Dba Bc Systems Inc), 151162-10 (Raytheon Company Div Corp) and 1 more.

What NSN replaces 5340-00-961-8523?

There are 8 known substitutes for 5340-00-961-8523: 5340-00-682-2112, 5340-00-775-0201, 5340-01-368-8330 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of YC6-2S?

Key specifications for YC6-2S: Material: STEEL COMP 303; Furnished Items: LOCKNUT; Width: 0.250 INCHES NOMINAL IN; Length: 0.277 INCHES NOMINAL IN. 8 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5340-00-961-8523 still in active supply?

NSN 5340-00-961-8523 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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