PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

8509-4Clamp,loop

Sierra Networks Inc Sierracom Div · NSN 5340-00-205-6218 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-00-205-6218 — this item is cataloged by the U.S. Government under National Stock Number 5340-00-205-6218. Primary manufacturer part number: 8509-4.
Features
  • Clamp,loop — FSC 5340
  • Material Thickness: 0.017 INCHES NOMINAL IN
  • Tongue Hole Type: ROUND, UNTHREADED
  • Style Designator: SINGLE LOOP
  • Material: ALUMINUM BAND
  • Center to Center Distance Between Loop and Mounting Hole: 0.438 INCHES NOMINAL IN
  • Cushioning Environmental Protection: HEAT
  • Diameter: 0.171 INCHES NOMINAL IN
Applications
  • Applications requiring Aluminum Band construction
General Description

The Clamp,loop, cataloged under National Stock Number 5340-00-205-6218, is classified within Federal Supply Class 5340 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Sierra Networks Inc Sierracom Div. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 3 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
NSN5340-00-205-6218
Primary Part Number8509-4
Item NameClamp,loop
FSC / FSG5340 / 53 — No Item Name Available
ManufacturerSierra Networks Inc Sierracom Div
StatusCANCELLED
Material Thickness0.017 INCHES NOMINAL IN
Tongue Hole TypeROUND, UNTHREADED
Style DesignatorSINGLE LOOP
MaterialALUMINUM BAND
Center to Center Distance Between Loop and Mounting Hole0.438 INCHES NOMINAL IN
Cushioning Environmental ProtectionHEAT
Diameter0.171 INCHES NOMINAL IN
Distance From Loop Center to Tongue End0.703 INCHES NOMINAL IN
Loop Inside Diameter0.375 INCHES NOMINAL IN
MaterialRUBBER CUSHION
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Unit of IssueEA
Verified Substitutes 6
Bolt,machine
3020-01-141-4163A31443 INTERCHANGEABLE
Gear,spur
Simmonds Precision Products Inc
3110-01-359-971285094 INTERCHANGEABLE
Cam Follower,needle Bearing
Brunswick Corp Dba Mercury Marine Div Mercury Marine
2520-01-368-77208509-4 INTERCHANGEABLE
Shaft,axle,automotive
Eaton Corp Hydraulics Div
6645-01-473-695985094 INTERCHANGEABLE
Meter,time Totalizing
Honeywell International Inc. Dba Honeyweel Sensing & Controls
6645-01-625-904085094 INTERCHANGEABLE
Meter,time Totalizing
Honeywell International Inc Dba Honeywell
Cross-Reference Index
Part NumberManufacturer
8509-4 Sierra Networks Inc Sierracom Div (USA)
A3144-3-108 Tinnerman Palnut Engineered Products, Inc. (USA)
A3044A3-92 Tinnerman Palnut Engineered Products, Inc. (USA)
8509-4 Microwave Engineering Corporation (USA)
A3144-3 Tinnerman Palnut Engineered Products, Inc. (USA)
Related Parts
5306-00-010-6280SUCCESSOR
BOLT,MACHINE
3020-01-141-4163INTERCHANGEABLE
GEAR,SPUR
A31443
3110-01-359-9712INTERCHANGEABLE
CAM FOLLOWER,NEEDLE BEARING
85094
2520-01-368-7720INTERCHANGEABLE
SHAFT,AXLE,AUTOMOTIVE
8509-4
6645-01-473-6959INTERCHANGEABLE
METER,TIME TOTALIZING
85094
6645-01-625-9040INTERCHANGEABLE
METER,TIME TOTALIZING
85094

Frequently Asked Questions

What is NSN 5340-00-205-6218?

NSN 5340-00-205-6218 is a Clamp,loop, manufactured by Sierra Networks Inc Sierracom Div, classified under FSC 5340 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5340-00-205-6218?

NSN 5340-00-205-6218 has 5 cross-referenced part numbers: 8509-4 (Sierra Networks Inc Sierracom Div), A3144-3-108 (Tinnerman Palnut Engineered Products, Inc.), A3044A3-92 (Tinnerman Palnut Engineered Products, Inc.), 8509-4 (Microwave Engineering Corporation), A3144-3 (Tinnerman Palnut Engineered Products, Inc.).

What NSN replaces 5340-00-205-6218?

There are 6 known substitutes for 5340-00-205-6218: 5306-00-010-6280, 3020-01-141-4163, 3110-01-359-9712 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 8509-4?

Key specifications for 8509-4: Material Thickness: 0.017 INCHES NOMINAL IN; Tongue Hole Type: ROUND, UNTHREADED; Style Designator: SINGLE LOOP; Material: ALUMINUM BAND. 11 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5340-00-205-6218 still in active supply?

NSN 5340-00-205-6218 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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