PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

209052-331Clamp,synchro

Timber Top Inc · NSN 5340-00-055-1899 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-00-055-1899 — this item is cataloged by the U.S. Government under National Stock Number 5340-00-055-1899. Primary manufacturer part number: 209052-331.
Features
  • Clamp,synchro — FSC 5340
  • Width: 0.213 INCHES MINIMUM AND 0.228 INCHES MAXIMUM IN
  • Height: 0.365 INCHES MAXIMUM IN
  • Hole Diameter: 0.086 INCHES NOMINAL IN
  • Material: STEEL COMP 316 AND PLASTIC POLYHEXAMETHYLENE ADIPAMIDE
  • Length: 0.260 INCHES MINIMUM AND 0.265 INCHES MAXIMUM IN
  • Material Document and Classification: MIL-M-20693,TYPE 1 MIL SPEC 2ND MATERIAL RESPONSE
  • 11 verified cross-references
Applications
  • Applications requiring Steel Comp 316 and Plastic Polyhexamethylene Adipamide construction
General Description

The Clamp,synchro, cataloged under National Stock Number 5340-00-055-1899, is classified within Federal Supply Class 5340 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Timber Top Inc. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 11 commercial cross-references from 10 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5340-00-055-1899
Primary Part Number209052-331
Item NameClamp,synchro
FSC / FSG5340 / 53 — No Item Name Available
ManufacturerTimber Top Inc
StatusCANCELLED
Width0.213 INCHES MINIMUM AND 0.228 INCHES MAXIMUM IN
Height0.365 INCHES MAXIMUM IN
Hole Diameter0.086 INCHES NOMINAL IN
MaterialSTEEL COMP 316 AND PLASTIC POLYHEXAMETHYLENE ADIPAMIDE
Length0.260 INCHES MINIMUM AND 0.265 INCHES MAXIMUM IN
Material Document and ClassificationMIL-M-20693,TYPE 1 MIL SPEC 2ND MATERIAL RESPONSE
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Unit of IssueEA
Verified Substitutes 6
No Item Name Available
3110-00-120-4308180416 INTERCHANGEABLE
Roller,bearing
Regal Beloit America, Inc. Dba Rollway Bearing
5330-00-291-16098144574 INTERCHANGEABLE
Seal,plain Encased
Us Army Aviation and Missile Command
3120-00-849-2644SQ4 INTERCHANGEABLE
Bushing,sleeve
Circor Naval Solutions Llc Dba Warren Pumps
5340-01-043-5144211-006-9104 INTERCHANGEABLE
Clamp
Honeywell International Inc. Div Aerospace - Torrance
8465-01-412-070231-21121 INTERCHANGEABLE
Goggles,laser Protective
Honeywell Safety Products Usa, Inc.
Cross-Reference Index
Part NumberManufacturer
209052-331 PRIMARY Timber Top Inc (USA)
918337-15 Raytheon Company Dba Raytheon (USA)
215-013-0004 Northrop Grumman Systems Corporation (USA)
L3-23 PRIMARY Roller Bearing Co of America, Inc Div Pic Design (USA)
SM79926-004 Thales Uk Limited Dba Thales Uk Ltd Optronics (GBR)
333974-4 Lockheed Martin Corporation Div Rms - Mitchel Field (USA)
917AS6359 Zf Industrieantriebe Witten Gmbh (DEU)
SQ-4 W. M. Berg, Inc. (USA)
211-006-9104 Zf Industrieantriebe Witten Gmbh (DEU)
SQ-4 Reliance Precision Limited (GBR)
10124585-2 Us Army Aviation and Missile Command (USA)
Related Parts
5340-00-108-9906SUCCESSOR
NO ITEM NAME AVAILABLE
3110-00-120-4308INTERCHANGEABLE
ROLLER,BEARING
180416
5330-00-291-1609INTERCHANGEABLE
SEAL,PLAIN ENCASED
8144574
3120-00-849-2644INTERCHANGEABLE
BUSHING,SLEEVE
SQ4
5340-01-043-5144INTERCHANGEABLE
CLAMP
211-006-9104
8465-01-412-0702INTERCHANGEABLE
GOGGLES,LASER PROTECTIVE
31-21121

Frequently Asked Questions

What is NSN 5340-00-055-1899?

NSN 5340-00-055-1899 is a Clamp,synchro, manufactured by Timber Top Inc, classified under FSC 5340 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5340-00-055-1899?

NSN 5340-00-055-1899 has 11 cross-referenced part numbers: 209052-331 (Timber Top Inc), 918337-15 (Raytheon Company Dba Raytheon), 215-013-0004 (Northrop Grumman Systems Corporation), L3-23 (Roller Bearing Co of America, Inc Div Pic Design), SM79926-004 (Thales Uk Limited Dba Thales Uk Ltd Optronics) and 6 more.

What NSN replaces 5340-00-055-1899?

There are 6 known substitutes for 5340-00-055-1899: 5340-00-108-9906, 3110-00-120-4308, 5330-00-291-1609 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 209052-331?

Key specifications for 209052-331: Width: 0.213 INCHES MINIMUM AND 0.228 INCHES MAXIMUM IN; Height: 0.365 INCHES MAXIMUM IN; Hole Diameter: 0.086 INCHES NOMINAL IN; Material: STEEL COMP 316 AND PLASTIC POLYHEXAMETHYLENE ADIPAMIDE. 6 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5340-00-055-1899 still in active supply?

NSN 5340-00-055-1899 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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