PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

18111Clamp,synchro

Unison Industries Llc · NSN 5340-00-949-6283 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-00-949-6283 — this item is cataloged by the U.S. Government under National Stock Number 5340-00-949-6283. Primary manufacturer part number: 18111.
Features
  • Clamp,synchro — FSC 5340
  • Furnished Items: LOCKNUT
  • Width: 0.190 INCHES MINIMUM AND 0.210 INCHES MAXIMUM IN
  • Surface Treatment: NICKEL
  • Hole Diameter: 0.091 INCHES MINIMUM AND 0.096 INCHES MAXIMUM IN
  • Material Document and Classification: SAE 70A OR 70C 1/2 HARD ASSN STD SINGLE MATERIAL RESPONSE A
  • Height: 0.035 INCHES MINIMUM AND 0.045 INCHES MAXIMUM IN
  • Length: 0.230 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
Applications
  • Applications requiring Copper Alloy construction
General Description

The Clamp,synchro, cataloged under National Stock Number 5340-00-949-6283, is classified within Federal Supply Class 5340 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Unison Industries Llc. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5340-00-949-6283
Primary Part Number18111
Item NameClamp,synchro
FSC / FSG5340 / 53 — No Item Name Available
ManufacturerUnison Industries Llc
StatusACTIVE
Furnished ItemsLOCKNUT
Width0.190 INCHES MINIMUM AND 0.210 INCHES MAXIMUM IN
Surface TreatmentNICKEL
Hole Diameter0.091 INCHES MINIMUM AND 0.096 INCHES MAXIMUM IN
Material Document and ClassificationSAE 70A OR 70C 1/2 HARD ASSN STD SINGLE MATERIAL RESPONSE A
Height0.035 INCHES MINIMUM AND 0.045 INCHES MAXIMUM IN
Length0.230 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
MaterialCOPPER ALLOY
Lifecycle & Compliance
Acquisition StatusACTIVE
Successor5340-00-625-0736 (18111)
HAZMATNo
Unit of IssueEA
Verified Substitutes 12
5340-00-625-073618111 SUCCESSOR
Clamp,instrument Mounting
Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution
6515-01-586-2062MMBRU-0007 SUCCESSOR
Electrode,surgical Instrument in
Healthmark Industries Co., Inc.
3040-00-092-1486SC75 INTERCHANGEABLE
Collar,shaft
Altra Industrial Motion Corp.
5821-00-497-4612 INTERCHANGEABLE
Gearing Unit Assy
1680-00-524-856014-88111-00 INTERCHANGEABLE
Gear Assy
Curtiss-Wright Controls, Inc. Div Actuation Division
4820-00-629-413418-1-11 INTERCHANGEABLE
Disk,valve
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
7810-00-634-0187BNAPR INTERCHANGEABLE
Ball,table Tennis
Paddle Palace Inc Dba Paddle Palace Table Tennis Co
4730-01-092-3030FZ-1612 INTERCHANGEABLE
Tee,pipe
Enerpac Tool Group Corp
5133-01-095-6625 INTERCHANGEABLE
Drill,twist
5930-01-549-7831E48P4K1A INTERCHANGEABLE
Switch,lock
Eaton Corporation Dba Eaton Inoac
Cross-Reference Index
Part NumberManufacturer
18111 Unison Industries, Llc Dba Unison Industries Inc (USA)
18111 PRIMARY Unison Industries Llc (USA)
Related Parts
SUCCESSOR 5340-00-625-0736 Clamp,instrument Mounting · 18111
6515-01-586-2062SUCCESSOR
ELECTRODE,SURGICAL INSTRUMENT IN
MMBRU-0007
3040-00-092-1486INTERCHANGEABLE
COLLAR,SHAFT
SC75
5821-00-497-4612INTERCHANGEABLE
GEARING UNIT ASSY
1680-00-524-8560INTERCHANGEABLE
GEAR ASSY
14-88111-00
4820-00-629-4134INTERCHANGEABLE
DISK,VALVE
18-1-11
7810-00-634-0187INTERCHANGEABLE
BALL,TABLE TENNIS
BNAPR
4730-01-092-3030INTERCHANGEABLE
TEE,PIPE
FZ-1612
5133-01-095-6625INTERCHANGEABLE
DRILL,TWIST
5930-01-549-7831INTERCHANGEABLE
SWITCH,LOCK
E48P4K1A
5355-01-554-9606INTERCHANGEABLE
DIAL,CONTROL
18-1-11
4920-01-583-6594INTERCHANGEABLE
RED LIGHT,AIRCRAFT,
18111

Frequently Asked Questions

What is NSN 5340-00-949-6283?

NSN 5340-00-949-6283 is a Clamp,synchro, manufactured by Unison Industries Llc, classified under FSC 5340 (No Item Name Available). Status: active.

What are the part numbers for NSN 5340-00-949-6283?

NSN 5340-00-949-6283 has 2 cross-referenced part numbers: 18111 (Unison Industries, Llc Dba Unison Industries Inc), 18111 (Unison Industries Llc).

What NSN replaces 5340-00-949-6283?

There are 12 known substitutes for 5340-00-949-6283: 5340-00-625-0736, 6515-01-586-2062, 3040-00-092-1486 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 18111?

Key specifications for 18111: Furnished Items: LOCKNUT; Width: 0.190 INCHES MINIMUM AND 0.210 INCHES MAXIMUM IN; Surface Treatment: NICKEL; Hole Diameter: 0.091 INCHES MINIMUM AND 0.096 INCHES MAXIMUM IN. 8 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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