PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

312373Clamp,synchro

Narda Holdings, Inc. Dba Narda-Miteq Div Narda-Miteq · NSN 5340-01-343-3039 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-01-343-3039 — this item is cataloged by the U.S. Government under National Stock Number 5340-01-343-3039. Primary manufacturer part number: 312373.
Features
  • Clamp,synchro — FSC 5340
  • Material: STEEL COMP 303
  • Furnished Items: LOCKNUT
  • Length: 0.433 INCHES MINIMUM AND 0.434 INCHES MAXIMUM IN
  • Height: 0.187 INCHES NOMINAL IN
  • Hole Diameter: 0.106 INCHES NOMINAL IN
  • Surface Treatment: PASSIVATE
  • Width: 0.245 INCHES MINIMUM AND 0.246 INCHES MAXIMUM IN
Applications
  • Applications requiring Steel Comp 303 construction
General Description

The Clamp,synchro, cataloged under National Stock Number 5340-01-343-3039, is classified within Federal Supply Class 5340 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Narda Holdings, Inc. Dba Narda-Miteq Div Narda-Miteq. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5340-01-343-3039
Primary Part Number312373
Item NameClamp,synchro
FSC / FSG5340 / 53 — No Item Name Available
ManufacturerNarda Holdings, Inc. Dba Narda-Miteq Div Narda-Miteq
StatusACTIVE
MaterialSTEEL COMP 303
Furnished ItemsLOCKNUT
Length0.433 INCHES MINIMUM AND 0.434 INCHES MAXIMUM IN
Height0.187 INCHES NOMINAL IN
Hole Diameter0.106 INCHES NOMINAL IN
Surface TreatmentPASSIVATE
Width0.245 INCHES MINIMUM AND 0.246 INCHES MAXIMUM IN
Material Document and ClassificationQQ-S-764 FED SPEC SINGLE MATERIAL RESPONSE
Surface Treatment Document and ClassificationQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Unit of IssueEA
Verified Substitutes 6
5935-00-136-6912 INTERCHANGEABLE
Connector,plug,electrical
8145-00-732-34973-12373 INTERCHANGEABLE
Protector Ring,cont
The Champion Company Div Ground Support Equipment
6150-00-774-8687312373 INTERCHANGEABLE
Housing,electrical Rotating Equi
Eaton Aerospace, Llc Dba Jackson South
5342-01-228-4178 INTERCHANGEABLE
Mount,resilient,weapon System
5935-01-500-9732225345-6 INTERCHANGEABLE
Connector,plug,electrical
Te Connectivity Corporation
5935-01-669-1857031-2373 INTERCHANGEABLE
Connector,plug,electrical
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
Cross-Reference Index
Part NumberManufacturer
312373 PRIMARY Narda Holdings, Inc. Dba Narda-Miteq Div Narda-Miteq (USA)
Related Parts
5935-00-136-6912INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
8145-00-732-3497INTERCHANGEABLE
PROTECTOR RING,CONT
3-12373
6150-00-774-8687INTERCHANGEABLE
HOUSING,ELECTRICAL ROTATING EQUI
312373
5342-01-228-4178INTERCHANGEABLE
MOUNT,RESILIENT,WEAPON SYSTEM
5935-01-500-9732INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
225345-6
5935-01-669-1857INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
031-2373

Frequently Asked Questions

What is NSN 5340-01-343-3039?

NSN 5340-01-343-3039 is a Clamp,synchro, manufactured by Narda Holdings, Inc. Dba Narda-Miteq Div Narda-Miteq, classified under FSC 5340 (No Item Name Available). Status: active.

What are the part numbers for NSN 5340-01-343-3039?

NSN 5340-01-343-3039 has 1 cross-referenced part number: 312373 (Narda Holdings, Inc. Dba Narda-Miteq Div Narda-Miteq).

What NSN replaces 5340-01-343-3039?

There are 6 known substitutes for 5340-01-343-3039: 5935-00-136-6912, 8145-00-732-3497, 6150-00-774-8687 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 312373?

Key specifications for 312373: Material: STEEL COMP 303; Furnished Items: LOCKNUT; Length: 0.433 INCHES MINIMUM AND 0.434 INCHES MAXIMUM IN; Height: 0.187 INCHES NOMINAL IN. 9 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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